Have you considered reversing the A and B coils on one of the motors to the drivers? This will cause the motor to spin in the opposite direction. This is the easiest method. Using the HEX inverter is a more complex method and not recommended for simple driving tasks.

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I have two nema 34 motors on my gantry and ordered a hex inverter, now I need to wire it correctly. What type of wiring hardware do I need and I will need a wiring diagram also. Please help.

Have you considered reversing the A and B coils on one of the motors to the drivers? This will cause the motor to spin in the opposite direction. This is the easiest method. Using the HEX inverter is a more complex method and not recommended for simple driving tasks.

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I have two nema 34 motors on my gantry and ordered a hex inverter, now I need to wire it correctly. What type of wiring hardware do I need and I will need a wiring diagram also. Please help.

We just received our new inventory of motors and that specific stepper motor ski came back with only one shaft. I’m not at the office to look at this inventory, so if that is true, they will all be single shaft. We may have other stepper motors with included rear shafts, but I will have to see on Monday.

If I don’t have the double shaft, we will provide a refund upon receipt of the motors. My apologies for this error.

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Hi, I'm sending these motors back today. As I understand you, you might have some motors from the previous lot still in stock, and these would be double shaft but otherwise you don't have any and won't be getting any. If you do have two double shaft versions of this motor please send them; if you don't have two of them please let me know--today if possible--so I can start looking elsewhere. Thanks, Ted Armen

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we just received two nema 11 stepper motors per our order--USR2-2, however they are single shaft, we need double shaft, I thought that's what we ordered. We're sending them back, let me know if you do have the double shaft version and I'll try again to order them. I notice the model number on the motor ends in "A", where the packing slip shows "B".

We will provide shim washers as a part of machine assemblies, but when purchasing lead screw and bearings, the shim washers must be purchased as well. Please give us a call and we can send them out.

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I just ordered a 1/2" lead screw and bearings, etc. But I don't see any 1/2" shim washers for those bearings. If you have any, please toss 8 of them in the shipment and I'll gladly reimburse you.

Once we create the tracking information for an order, and it is entered into our system, you get emailed to the email address on file, with the tracking information. Sometimes these emails end up in the spam folder of your email, so please check there as well. You can also call, or email, us and we will let you know the status of your order.

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I ordered a Blacktooth Laser, but received no response that processing of the order has started? Will I be notified of shipping as soon as the weeks lead time is complete?

No, the 3.1 version will not support slaving the X axis. You will either need to wire the two x axis driver to the same X signal pins, or use the DDCS v4.1 which does support slaving an axis.

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[823] I plan to use a DDCS stand alone controller for a CNC router build which will have two stepper motors on the x axis, one on Y and one on Z. Will the 3.1 version handle two motors synched on the X axis or will I need the 4.1 version?

If your motors are hot to the touch, this is normal. Current is being drawn by the motor coils as the motor moves and as the motor stays at a position. If the motor is not using the current in the coils to move (holding it's position), the energy will be translated as heat (rather than motion, sound or light). Even while moving, some of the energy will be lost as heat. Remember that energy cannot be created nor destroyed.

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I HAVE FOLLOWED ALL THE "CNC ELECTRONICS 1 - 9" VIDEOS AND I'M USING ALMOST EXACT SAME COMPONENTS (MOTORS RUN SOUND GOOD) BUT MOTORS ARE RUNING VERY HOT IN JUST 15MIN WITH NO LOAD DONE SOMETHING WRONG OR DO STEPPERS HOT?

Sure, let me check.

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Your order was shipped out on Tuesday (10/20/2020). I noticed that your email was not stored in the customer record when the order was made. I will send you the tracking number via email now.

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Placed an order for the cable set for the Pokeys57cnc interface on 10/20 but it is not showing up in My Account as being ordered. It was charged to my credit card and I have not had any info that it was received by you.

We carry several sizes of lead screw and stepper motors on our website, for example here https://buildyourcnc.com/Item/mechanical-leadscrews-lead-screw-!5-5-starts-10-tpi and here https://buildyourcnc.com/ProductSearchResults.aspx. Please call us at 281-815-7701 to discuss the particular lengths you would need and shipping options.

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https://buildyourcnc.com/ProductSearchResults.aspx is not working

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I have a project very similar to cnc machine. I need 3 lead screws of 1.8 m with all set (supports, bearings...etc). and 3 NEMA 42 motors that I can connect with. if those are available, I need the information about shipping to Oman or UAE.

Ok, I will check the YL600 documentation Monday 4/3 and provide the answer here.

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I also received one of these and the button labels do not even match your programming instructions as stated on your web set. Please provide updated instruction to match the model shipped with the correct button names to press in The programming process.

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7/15/17 - I have exact problem. I do not see the solution posted???

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Mine is a 2.2Kw YL-620 connected to a 1.5Kw spindle.

Code Address Function Set Range &Function Explanation Factory Setting User Set Vendor Suggested As shipped Code Address Decimal
P00.00 0 Main Frequency 0-120HZ(400HZ） 50.0HZ 　400 60 399.6 P00.0 0
P00.01 1 Start / stop command source 0: Operator board 0 0　 0 P00.1 1
1：From external end control Electric machinery,operation panel STOP key effective
2：From external end son control Electric machinery,operation panel STOP key invalid
3：from (Modbus Rs485) control Electric machinery
4：By user application program control Electric machinery
P00.02 2 Reserved 　 0 　 0 P00.2 2
P00.03 3 Stopping Mode 0：Decelerating stop 0 0　 1 P00.3 3
1：Coasting stop 10
2：DC brake stop 0.2
P00.04 4 VF:Highest output frequency 1.0-120.0HZ(400HZ） 50.0HZ 400 60 400 P00.4 4
P00.05 5 VF:Maximum Voltage Output Frequency 5.0-120.0HZ(400HZ） 50.0HZ 400 60 400 P00.5 5
P00.06 6 VF:Highest output Voltage 10.0%-150.0% 100.00% 100.00% 100.00% 100 P00.6 6
P00.07 7 VF:Middle Frequency 1.0-120.0HZ(400HZ） 3.0Hz 3.5Hz 3.0Hz 3.5 P00.7 7
P00.08 8 VF:Middle Voltage 10.0%-100.0% 10% 20% 10% 10 P00.8 8
P00.09 9 VF:Min Frequency 0-120.0HZ(400HZ） 0.2HZ 0.2Hz 0.2Hz 0.2 P00.9 9
P00.10 10 VF:Min Voltage 0%-100.0% 5% 10.00% 5.00% 5 P00.10 10
P00.11 11 Analog Input quantity 1 Regulation Multistage velocity 0%-100% 100 100 100 100 P00.11 11
P00.12 12 VF :Curve Setting 0-4 0 0 P00.12 12
P00.13 13 Parameter Lock 0: lnvalid 0 0 P00.13 13
1: Valid
10: Restore the factory setting No other function
P00.14 14 Reserved 0 0 P00.14 14
P00.15 15 Power on Time prohibit External end son Start-up 0:Power on time,allow External end input effective level,start-up Electric machinery 0 0 P00.15 15
1:Power on time,Not allow
P00.16 16 0: FWD(X5)yes,Positive run the 0 P00.16 16
1: REV(X6) Determine direction : Open Yes
2:X_EF=EF,X_REV(X5)_DIR=DIR,FWD(X6)=
3: Stop ,FWD(X5) turn off Instantaneous
4: FWD(X5) turn off Instantaneous
5: FWD(X5) turn off Instantaneous
6: Stop ,FWD(X5) turn off Instantaneous
7: REV(X6)When open,FWD(X5)Start-up
P00.17 17 Many function input X1 function Choice ####################################### ####################################### 1 1 P00.17 17
P00.18 18 Many function input X2 function Choice 1.0HZ 1 P00.18 18
P00.19 19 Many function input X3 function Choice 1 P00.19 19
P00.20 20 Many function input X4 function Choice 1 P00.20 20
P00.21 21 External Terminal rise/Slow down increment 0-120HZ(400HZ) 1.0HZ 1 P00.21 21
P00.22 22 External Terminal rise/Slow down time interval 0.2 0.2 P00.22 22
P00.23 23 Physics amount display Proportion constant 0-999.9% 100.00% 100 P00.23 23
P00.24 24 After power supply, display project choice 0: Display current target frequency 0 0 P00.24 24
1:Display Electric machinery run frequency.
2:Display Electric machinery run current.
3:Display input AC voltage
4:Display mother Line voltage
5:Display output voltage
6:Display speed paragraph Number SP x
7:Display inverter temperature t xx
8:Display input signal X1-X3/output signal
9:Display user variable
10:Display user Count value
11:Display temporary debugging variable
12:Display automatic multi segment run step and time
P00.25 25 Display project automatic Return delayed time (10/S) 0:No,Automatic return;1-6delayed 10-60S Back Return 1 1 P00.25 25
P01.00 256 REV Rotation Select 0: Rev Run Enable 0 0 P01.0 256
1: Rev Run Forbidden 0
P01.01 257 Electric machinery Reversing wait for time 0 P01.1 257
P01.02 258 Deceleration Prevention overvoltage setting(%) 130 130 P01.2 258
P01.03 259 Accelerated Prevention overcurrent setting(%) 130 130 P01.3 259
P01.04 260 Overcurrent Set up (%) 200 200 P01.4 260
P01.05 261 Overload protection Set up (%) 130 130 P01.5 261
P01.06 262 Overload protection time Set up (s) 120 120 P01.6 262
P01.07 263 Undervoltage protection Set up (%) 80 80 P01.7 263
P01.08 264 Overvoltage protection Set up (%) 150 150 P01.8 264
P01.09 265 After shutdown, start DC Brake voltage Setup (%) 15 15 P01.9 265
P01.10 266 After shutdown, End DC Brake voltage Setup (%) 0 0 P01.10 266
P01.11 267 After shutdown, DC Braking Time Set up 2 2 P01.11 267
P01.12 268 After shutdown, DC Braking Initial Frequency Set up 0.6 0.6 P01.12 268
P01.13 269 Before start , input DC brake voltage set up (%) 20 20 P01.13 269
P01.14 270 Before start , End DC Brake voltage Set up (%) 15 15 P01.14 270
P01.15 271 Before start , DC Braking Time Set up 3 3 P01.15 271
P01.16 272 Direct start Initial frequency (Improve starting torque ) 100 100 P01.16 272
P01.17 273 Direct start Initial frequency Hold time 0 0 P01.17 273
P01.18 274 power failure frequency decline 80 80 P01.18 274
P01.19 275 The power down frequency decline rate 5 5 P01.19 275
P01.20 276 Restart No load time 10 10 P01.20 276
P01.21 277 Restart voltage rise time 200 200 P01.21 277
P02.00 512 When speed up torque will increased 　 100　 100 100 60 P02.0 512
P02.01 513 Deceleration time - Torque Boost 　 100　 100 100 60 P02.1 513
P02.02 514 Accelerate curve Choice 0　 0 P02.2 514
P02.03 515 Deceleration curve Choice 0　 0 P02.3 515
P02.04 516 Avoid the f requency 1 20 400 P02.4 516
P02.05 517 Avoid the f requency 2 30 30 P02.5 517
P02.06 518 Avoid the f requency 3 　 40 40 P02.6 518
P02.07 519 Avoid the f requency Width 　 0 0 P02.7 519
P02.08 520 Window frequency 1 45 45 P02.8 520
P02.09 521 Window frequency 2 50 50 P02.9 521
P02.10 522 ? 400 P02.10 522
P03.00 768 RS485 Communication Baud Rate 0: 1200Bps 5 4 P03.0 768
1: 2400Bps
2: 4800Bps
3: 9600Bps
4: 19200Bps
5: 38400Bps
6: 57600Bps
P03.01 769 RS485 Communication Addresses 1-254 10 10 P03.1 769
P03.02 770 0: 8 bit data, 1 stop bits, odd parity 2 2 P03.2 770
1: 8 bit data, 1 stop bits, parity check
2: 8 bit data, 1 stop bit, no parity
3: 8 bit data, 2 stop bits, odd parity
4: 8 bit data, 2 stop bits, parity check
5: 8 bit data, 2 stop bit, no parity
P03.03 771 Communication error handling 0 P03.3 771
P03.04 772 Communication error tolerance time 20 P03.4 772
P03.05 773 4-20mA Break detection time 0 P03.5 773
P03.06 774 Panel potentiometer,Lower limit of AD norm 3 P03.6 774
P03.07 775 Panel potentiometer,Upper limit of AD specification 1020 1015 1015 P03.7 775
P03.08 776 Panel potentiometer, frequency given of lower limit 0.0HZ 0 0 P03.8 776
P03.09 777 Panel potentiometer, frequency given of Upper limit 0-120HZ(400HZ） 60.0HZ 400 　60Hz 400 P03.9 777
P03.10 778 Analog lnput 1 AD lower limit 0-1023 3.0Hz 　60Hz 3 P03.10 778
P03.11 779 Analog lnput 1 AD Upper limit 0-1023 1020 1010 1010 P03.11 779
P03.12 780 Analog lnput 1 frequency given lower limit 0.0HZ 0 P03.12 780
P03.13 781 Analog lnput 1 frequency given Upper limit 60.0HZ 400 400 P03.13 781
P03.14 782 Analog lnput 2 AD lower limit 3.0Hz 3 P03.14 782
P03.15 783 Analog lnput 2 AD Upper limit 1020 1010 1010 P03.15 783
P03.16 784 Analog lnput 2 frequency given lower limit 0.0HZ 0 P03.16 784
P03.17 785 Analog lnput 2 frequency given Upper limit 60.0HZ 60 P03.17 785
P03.18 786 Analog output correlation 0 0 P03.18 786


P03.19 787 Analog output gain setting 100 100 P03.19 787
P04.00 1024 Mo analog multiplier output frequency multiplier 10 10 P04.0 1024
P04.01 1025 Mo1 Function Options 0 0 P04.1 1025
P04.02 1026 Mo2 Function Options 1 1 P04.2 1026
P04.03 1027 Multi-function Relay 1 Function selection 0:fault Yes Electric , otherwise power failure 0 2 2 2 P04.3 1027
P04.04 1028 Multi-function Relay 2 Function selection 1:Running Yes Electric ,otherwise power failure 3 3.0Hz 3 P04.4 1028
2: Reserved
3: Arbitrary frequency arrival Time, have Electric,Related to P02-10 settings
4: , The power down Time,have Electric
5:, low voltage Time, have Electric
6:, Overvoltage Time, have Electric
7: Overcurrent Time, have Electric
8: Nonzero velocity Time,have Electric
9:, DC brake Time, have Electric
10: Over torque Time, have Electric
11: External interrupt fault Time, have
12: Forward Time, have Electric
13: Reversal Time, have Electric
14: Move Time, have Electric
15: Accelerate Time, have Electric
16: Deceleration Time, have Electric
17: Constant speed Time, have Electric
18:X1 close Time, have Electric
19:X2 close Time, have Electric
20:X3 close Time, have Electric
21:X4 close Time, have Electric
22:X5 close Time, have Electric
23:X6 close Time, have Electric
24: Forward and bus voltage greater than 400V Time, have Electric
25: Reverse and bus voltage greater than 400V Time, have Electric
P04.05 1029 Multi-function Relay 1 Action close Delayed 0-65.5 S 0 0 P04.5 1029
P04.06 1030 Multi-function Relay 1 disconnect delay action 0-65.5 S 0 0 P04.6 1030
P04.07 1031 Multi-function Relay 1 Action close Delayed 0-65.5 S 0 0 P04.7 1031
P04.08 1032 Multi-function Relay 1 disconnect delay action 0-65.5 S 0 0 P04.8 1032
P04.09 1033 Stall rotor detection time 0-65.5 S 1 1 P04.9 1033
P04.10 1034 Switch amount (Di) sampling time 0-1000mS 8 24 24 P04.10 1034
P04.11 1035 Stopping Mode 0:Decelerating stop 0 0 P04.11 1035
1:Coasting stop
P05.00 1280 PID Output Upper limit frequency 50 50 P05.0 1280
P05.01 1281 PID Output lower limit frequency 25 25 P05.1 1281
P05.02 1282 PID Given Source 0 0 P05.2 1282
P05.03 1283 PID Values Given 0.2 0.2 P05.3 1283
P05.04 1284 PID Output characteristic(FOR /REV) 0 0 P05.4 1284
P05.05 1285 PID Output characteristic (FOR/REV) 0 0 P05.5 1285
P05.06 1286 PID Proportional Gain 0-100.0 50 50 P05.6 1286
P05.07 1287 PID Integration Time Ti 0-100.0 0-100.0 50 50 P05.7 1287
P05.08 1288 PID Derivative Time Td 0-100.0 0-100.0 50 50 P05.8 1288
P05.09 1289 PID Deviation Limit 0-50.0 5 5 P05.9 1289
P05.10 1290 PID Integral upper limit 50 50 P05.10 1290
P05.11 1291 PID Given Change Time 0-600.0 1 1 P05.11 1291
P05.12 1292 PID Feedback Filter Time 0 0 P05.12 1292
P06.00 1536 Acceleration Time 0　 0 P06.0 1536
P06.01 1537 Accel.Time 1 0.1-6553.5 5.0 9 　5.0 5 P06.1 1537
P06.02 1538 Decel. Time 1 0.1-6553.5 5.0 8.6 　5.0 5 P06.2 1538
P06.03 1539 Accel.Time 2 0.1-6553.5 0.1-6553.5 2 2 P06.3 1539
P06.04 1540 Decel. Time 2 0.1-6553.5 0.1-6553.5 2 2 P06.4 1540
P06.05 1541 Accel.Time 3 0.1-6553.5 0.1-6553.5 2 2 P06.5 1541
P06.06 1542 Decel. Time 3 0.1-6553.5 0.1-6553.5 2 2 P06.6 1542
P06.07 1543 Accel.Time 4 0.1-6553.5 0.1-6553.5 2 2 P06.7 1543
P06.08 1544 Decel. Time 4 0.1-6553.5 0.1-6553.5 2 2 P06.8 1544
P06.09 1545 Accel.Time 5 0.1-6553.5 0.1-6553.5 2 2 P06.9 1545
P06.10 1546 Decel. Time 5 0.1-6553.5 0.1-6553.5 2 2 P06.10 1546
P06.11 1547 Accel.Time 6 0.1-6553.5 0.1-6553.5 2 2 P06.11 1547
P06.12 1548 Decel. Time 6 0.1-6553.5 0.1-6553.5 2 2 P06.12 1548
P06.13 1549 Accel.Time 7 0.1-6553.5 0.1-6553.5 2 2 P06.13 1549
P06.14 1550 Decel. Time 7 0.1-6553.5 0.1-6553.5 2 2 P06.14 1550
P06.15 1551 Accel.Time 8 0.1-6553.5 0.1-6553.5 2 2 P06.15 1551
P06.16 1552 Decel. Time 8 0.1-6553.5 0.1-6553.5 2 2 P06.16 1552
P06.17 1553 Jog Acceleration Time 0.1-6553.5 0.1-6553.5 2 2 P06.17 1553
P06.18 1554 Jog Deceleration Time 0.1-6553.5 0.1-6553.5 2 2 P06.18 1554
P07.00 1792 Frequency 1 0-120HZ(400HZ) 50HZ 50 50 P07.0 1792
P07.01 1793 Frequency 2 50HZ 45 45 P07.1 1793
P07.02 1794 Frequency 3 50HZ 40 40 P07.2 1794
P07.03 1795 Frequency 4 50HZ 35 35 P07.3 1795
P07.04 1796 Frequency 5 50HZ 30 30 P07.4 1796
P07.05 1797 Frequency 6 50HZ 25 25 P07.5 1797
P07.06 1798 Frequency 7 50HZ 20 20 P07.6 1798
P07.07 1799 Frequency 8 50HZ 15 15 P07.7 1799
P07.08 1800 Frequency source selection 1 0: Operator board (parameter: P03.06~P03.09) 0 0 P07.8 1800
P07.09 1801 Frequency source selection 2 1: Pre-set Freq, P00.00 Set frequency value,Operation panel keyboard,Can be set directly 2 2 P07.9 1801
P07.10 1802 Frequency source selection 3 2:No. X paragraph frequency P07.00~P07.07 2 2 P07.10 1802
P07.11 1803 Frequency source selection 4 3: Analog Input. :P03.10~P03.13) 2 2 P07.11 1803
P07.12 1804 Frequency source selection 5 4: external simulation amount 2 (VI2) 2 2 P07.12 1804
P07.13 1805 Frequency source selection 6 5: (Modbus Rs485)Given frequency 2 2 P07.13 1805
P07.14 1806 Frequency source selection 7 6: User application program, given frequency 2 2 P07.14 1806
P07.15 1807 Frequency source selection 8 7:( Pid)Output frequency 2 2 P07.15 1807
Other: Reserved
Note:three control methods (P07.08) 1808 1.The motor speed is controlled by the operating panel P07.16 1808
2.Motor speed control by external terminals (Potentiometer 10K). P00.01 set to 1, P07.08 set to 3
3.Motor speed control by external terminals. P00.01 set to 1,P07.08 set to 1.
P07.16 1809 Jogging Frequency FORWARD 0-120HZ(400HZ) 15.0HZ 15 P07.17 1809
P07.17 2048 Jogging Frequency REV 0-120HZ(400HZ) 15.0HZ 13.0Hz 13 P08.0 2048
P08.00 2049 Automatic many paragraph Running: Running direction Binary data format to set the direction of operation, see (the automatic multi segment operation, the operation of the direction set table) 0　 0 P08.1 2049
P08.01 2050 Automatic many paragraph Running: mode Choice 0:Automatic multi segment operation is invalid; 0 0 P08.2 2050
1:After execution complete,Stop;
2:After execution complete,Keep the last running state,Continued running;
3:After execution complete, Repeated execution.
P08.02 2051 Automatic many paragraph Running time Units:S/M 0:S;1:M 0 0 P08.3 2051
P08.03 2052 Automatic many paragraph Running: No.1 paragraph Running time Automatic multi-section run time,Set up Section speed run time。Time units are determined by P08.02 Decision。Set run is 0,Indicates that this section is not executed. 10 1 1 P08.4 2052
P08.04 2053 Automatic many paragraph Running: No.2 paragraph Running time 10 1.5 1.5 P08.5 2053
P08.05 2054 Automatic many paragraph Running: No.3 paragraph Running time 10 1 1 P08.6 2054
P08.06 2055 Automatic many paragraph Running: No.4 paragraph Running time 10 1.5 1.5 P08.7 2055
P08.07 2056 Automatic many paragraph Running: No.5 paragraph Running time 10 1 1 P08.8 2056
P08.08 2057 Automatic many paragraph Running: No.6 paragraph Running time 10 1.5 1.5 P08.9 2057
P08.09 2058 Automatic many paragraph Running: No.7 paragraph Running time 10 1 1 P08.10 2058
P08.10 2304 Automatic many paragraph Running: No.8 paragraph Running time 10 1.5 1.5 P09.0 2304
P09.00 2305 frequency Range(%) 0-200% 0 0 P09.1 2305
P09.01 2306 frequency wave Range(%) 0-400% 200 30 30 P09.2 2306
P09.02 2307 frequency Rise time(S) 0.1-999.9 S 6.0 S 6 P09.3 2307
P09.03 2560 frequency decline time(S) 0.1-999.9 S 5.0 S 5 P10.0 2560
P10.00 2561 Counter reload,value 1000 1000 P10.1 2561
P10.01 2562 Counter current value 0 0 P10.2 2562
P10.02 2563 Timer reload,value 1000 1000 P10.3 2563
P10.03 2816 Timer current value 0 0 P11.0 2816
P11.00 2817 Output Status 1 1 P11.1 2817
P11.01 2818 Output Voltage (V) 0 0 P11.2 2818
P11.02 2819 Output Current (A) 5 5 P11.3 2819
P11.03 2820 Output Frequency (Hz) 50 50 P11.4 2820
P11.04 3072 Current Heatsink Temperature 25 25 P12.0 3072
P12.00 3073 Rated Motor Current 5 5 P12.1 3073
P12.01 3074 Rated Motor Voltage 220 220 P12.2 3074
P12.02 3075 Motor Pole number 2-100 2 2 P12.3 3075
P12.03 3076 Motor no-load current 10 10 P12.4 3076
P12.04 3077 Motor no-load current detection time(S) 10 10 P12.5 3077
P12.05 3078 Converter rated current(A) 5 5 P12.6 3078
P12.06 3079 Converter rated Voltage(V) 220 220 P12.7 3079
P12.07 3080 DC bus output voltage% 140 130 P12.8 3080
P12.08 3081 Heat sink over temperature protection point 70 75 P12.9 3081
P12.09 3082 Radiating fin temperature sensor configuration 1 1 P12.10 3082
P12.10 3083 Abnormal reset implement wait time 120 120 P12.11 3083
P12.11 3084 Fan Function Pattern 0:Motor running tine, start fan; 1 1 P12.12 3084
1:When the fan operating temperature (P12.12) is exceeded,Instant start fan; When the temperature is lower than the fan temperature point,Delay about 1 minutes to close the fan;
2:Unconditional forced start fan;
3:Fan Inoperation;
P12.12 3085 Cooling fan operating temperature 55 45 50 P12.13 3085
P12.13 3086 Fan Testing 0 0 P12.14 3086
P12.14 3087 Bypass relay closed detection 0 0 P12.15 3087
P12.15 3088 Bypass Relay delay time 1.5 1 P12.16 3088
P12.16 3089 Power on delay timer initial value(S) 50 50 P12.17 3089
P12.17 3090 Electric current sensor To configure 1 1 P12.18 3090
P12.18 3091 Automatic stable pressure function Choice 1 1 P12.19 3091
P12.19 3092 PWM Frequency 2.0-15.0KHZ (110V13.0KHZ 220V11.0KHZ 380V6.0KHZ) 8.0KHZ 13.0KHz 13 P12.20 3092
P12.20 3328 SVPWM Pattern 0:Three-phase asynchronous motor, 0 0 P13.0 3328
1:Two-phase asynchronous motor (Single-phase motor, 90 degree phase difference,Starting capacitor)
P13.00 3329 103 P13.1 3329
P13.01 3330 600 P13.2 3330
P13.02 3331 1 P13.3 3331
P13.03 3332 16.24 P13.4 3332
P13.04 3333 1 P13.5 3333
P13.05 3584 0 P14.0 3584
P14.00 3585 35 P14.1 3585
P14.01 3586 0.2 P14.2 3586
P14.02 3587 1 P14.3 3587
P14.03 3588 0 P14.4 3588
P14.04 3589 0 P14.5 3589
P14.05 3590 100 P14.6 3590
P14.06 3591 1900 P14.7 3591
P14.07 3592 2000 P14.8 3592
P14.08 3593 59999 P14.9 3593
P14.09 3594 5 P14.10 3594
P14.10 3595 20 P14.11 3595
P14.11 3596 0 P14.12 3596
P14.12 3597 0 P14.13 3597
P14.13 3598 0 P14.14 3598
P14.14 3599 0 P14.15 3599


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Sorry, that is a paste from a spread sheet, you may have to do some formatting or paste it into a spread sheet to see it better...

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I will definitely do that. Thank you so much for providing the information!!

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I also have this problem with a yl620. Is there a solution?

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Is there a wiring diagram for the 110v units. My came with a 220 volt booklet.

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my unit also came with instructions for a 220 unit. I need a 110 wiring diagram.

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These instructions are lame at best, a friend of mine ordered one of these to install on a knife grinder that I built for him, and I proceeded to setup the unit, upon connecting it to the motor, it runs the motor, but hunt's at the lower speeds, and the setting I am looking for just isn't in the list, there's some settings in the 14's that don't say what there for, can anyone help?

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I received a VFD 110v yl600-2s-2k20 p 110v with 220v instructions, also the connectors on the VFD dose not match any wiring configuration you have.

If your motors are hot to the touch, this is normal. Current is being drawn by the motor coils as the motor moves and as the motor stays at a position. If the motor is not using the current in the coils to move (holding it's position), the energy will be translated as heat (rather than motion, sound or light). Even while moving, some of the energy will be lost as heat. Remember that energy cannot be created nor destroyed.

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I have followed all the "CNC Electronics 1 - 9" videos and I'm using almost the exact same components (motors run and sound good) but the motors are runing very hot in just 15min with no load - have I done something wrong or do steppers run very hot?

Yes, the redLeaf plug-and-play CNC electronics can include a THC (Torch Height Controller) and motors of any size. The limit of the number of motors that this package can include is 8 motors in total.

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Will the redleaf package allow me to run a torch height controller and 2 nema 34 motors for my gantry? I would prefer to have motors on both sides of the machine with a heavy gantry

We currently do not have any Nema motor's with a .375"/3/8" shaft diameter. The motors in stock 100 oz, 425 oz, with a 1/4" input shaft. Our 651 oz, with a 1/2" input shaft.

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Your combo kits don't specify whether they are standard NEMA motors. I need Nema 34 with a .375 shaft diameter. Which 3 axis kit work for these requirements?

We recommend checking the dip switch settings on your drivers, having the correct microstepping/amp settings along with the steps/unit will help the motors run as effective as possible.
This is a default parameter that we use while we test our motors:
Driver dip switch settings will be at a 1/16 microstepping and 2.7amp (11001100) for x/y-axis and the z-axis will be at 1/4 microstepping and 2.7amp (10101100).

In planet-cnc with increasing the motor speed, you will have to modify the settings in planet-cnc (File/settings/setup) you will modify the initial speed, maximum speed, and the acceleration.
X/Y-axis step/unit: 1422.22 initial speed:500 maximum speed:750 acceleration:25
Z-axis step/unit: 1600 initial speed:100 maximum speed:300 acceleration:25
The initial speed and maximum speed will have to be roughly tested and adjusted per application.
Make sure to adjust the JOG slide bard underneath the axis controls on screen to about 750, to compensate for your x/y-axis adjustments. If left alone the speed will max out at the default setting.

Here is a video tutorial to calculate the steps required depending on your mechanical linear motion components. (

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I bought Nema 24 motors and driver package with usb board. What do i need to have more speed? Cant even jog past 25 ipm without the motor stalling (not having enough torgue)

The greenBull kit (not the assembled) will need the table (the rails for the table is supplied), wires/cables for the stepper motors and stepper motor drivers, smaller gauge wires for digital wire connections (limit switches, drivers to control interface, etc), wires for the spindle connection to the VFD, tubing for water flow to and from the spindle, and a pump and reservoir (we are just about to introduce a small pump/reservoir/radiator/fan system for use with the spindle. The VFD/spindle, stepper motors/drivers and interface board are included.

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If I understand correctly, the greenBull kit comes with a spindle and laser. What else do I need to have a working machine. Obviously a table, do I also need the computer, software, wires, pump and plumbing, electronics, VFD, steppers and controllers?

We apologize for the confusion, however in the very first video that is regarding the assembly, is of the torsion box. We do not included that in any greenBull kit, as we use too sell it individually! However due to high consumption of materials and high cost(both in shipping and for the kit itself) we have removed it from our inventory and no longer sell it.

This video can be skipped, however if you plan on making a DIY torsion box, this video will be helpful in your build!

The torsion box is not needed, as the frame itself will be more than sufficient in keeping the machine from flexing or vibrating.

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I ordered the GreenBull 5' x 10' kit. The first video for assembly shows that I should have 5 large boards that attach to the table, but I don't have those boards. Is that something I need to build or were they not shipped?

Make sure to connect the motor using the bipolar parallel schema as per the datasheet.

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I also purchased these same motors(3a drive, not the 8.8) nearly a decade ago, they are now being installed on their third life as a CNC wood lathe with C axis spindle control. I never had any perceivable problems wiring them to the diagram, but in recent R+D I discovered a strange thing. I use LinuxCNC, and while going through setup and trying to tweak in the settings for the motors/drives, I found a motor wire identification guide for steppers on the LinuxCNC wiki that gives a different result for which wires go to which terminals on the drives. I have not tested both wiring schemes since I am in the middle of the build and have not yet reached that point. This could be one factor, if the wiring diagram is not actually correct. I always used bipolar parallel. As stated above, I never detected any problems in thousands of hours of run time over two separate machine configs. The other thing I learned recently is that microstepping actually reduces STEP torque by significant amounts, though I can't find any info about its effect on HOLDING torque, if any. 1/16 microstep reduces STEP torque to ~10% of motor rated torque, which can have a significant effect on heavy cuts/fast feedrate moves. I have definitely overdriven my axes by not programming conservatively enough, I do a lot of aluminum routing and hoggy work on hardwoods. There are many other factors in machine builds(resonance, mechanics, etc) that can eat away at the motors ACTUAL real life torque capability vs. its nominal rating. Lot of good info on stepper principles on the LinuxCNC website. My current build has actual ballscrews rather than leadscrews, It will be interesting to see what the performance differences are compared to my other builds. Keep the chips flying!

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[54] I purchased a kit a few years ago with a 36v 8.8A driver and a nema 23 425oz-in motors. I’ve hooked the motors as suggested but they are not holding anything like 425 torque. Please advise.

There are two main questions that we can answer with respect to motor torque and the mechanical advantage of lead screws, 1) What torque motor do you need to lift a particular weight, or 2) What maximum weight will my motor torque be able to lift.

This formula uses Newtons (N) as it's final unit. Use this with the included radius (R) to determine the torque. Newtons can easily be converted to lbs or ounces using online conversions.

Effort = Sf + (Load/(2 x pi x (R/p) x Se))

where:
p = pitch of the screw
Se = screw efficiency = Standard lead screw will be between 20% (.2) and 40% (.4)
Sf = static force. This is the force that is needed to start the movement. The number may be eliminated, but it is good to use a number in the 5 N to 20 N range.
Load = the expected load that the effort will need to carry (i.e., the router and the included axis assembly that the motor will need to lift)
R = radius of the lead screw


This formula is based on the "law of the machine"

The final effort amount with its unit of newtons and R will be the torque. For example, if the effort comes to 100 N (newtons) and the R is .5 inches, then you can assume that the effort is 50 N-in since it would take twice the effort to turn form the one inch mark from the center of the shaft.

Example:

Load = 90 N (20.2 lbs)
R = 1 inch since that is the length from the center of the shaft that the motor is rated
p = 1 inch / 13 = .08 inches

Effort = 5 N + (90 N / (2 x 3.14 x (1 / .08) x .2))
Effort = 5 N + (90 N / (6.28 x 12.5 x .2))
Effort = 5 N + (90 N / (15.7))
Effort = 5 N + (5.73 N)
Effort = 10.7 N = 2.4 lbs = 38.4 oz-in

I am putting the oz-in on the end because the formula considers the distance from the center of the shaft to be one inch.

Therefore, a 425 oz-in motor would be able to lift a 20.2 lb Router with its accompanying assembly. If the assembly and router is heavier, plug in the numbers and determine the effort required.

With a bit of algebra, the formula can be rewritten to find the load:

Load = (Effort - Sf) x (2 x pi x (R/p) x Se)

Another formula that does not consider friction at all:

Effort = (Load x p) / (2 x pi x R)

Lets see if we get similar results:

Effort = (20 lb x .08 inches) / (2 x 3.14 x 1)
Effort = 1.6 / 6.28 = .255 lbs = 4.08 oz-in

The results from both formulas appear to be very small because a 13 TPI screw will have enormous mechanical advantage.

It is evident that the first formula that does consider friction that we are loosely estimating is far more conservative than the second formula. Either way, even the most conservative formula shows that the 425 oz-in motor will handle very large weights. If you are using a lead screw with only two turns per inch, .5 inch pitch, you can determine the requirements with the first formula.

Example for a 10 TPI 5 start (2 turns per inch) lead screw:

Load = 90 N (20.2 lbs)
R = 1 inch since that is the length from the center of the shaft that the motor is rated
p = 1 inch / 2 = .5 inches

Effort = 5 N + (90 N / (2 x 3.14 x (1 / .5) x .2))
Effort = 5 N + (90 N / (6.28 x 2 x .2))
Effort = 5 N + (90 N / (2.512))
Effort = 5 N + (35.83 N)
Effort = 40.828 N = 9.18 lbs = 146.88 oz-in

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thank you so much

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how do i calculate torque of stepper motor if lead screw coupled to motor shaft and load applied by lead screw on plate is 100 kg by vertically

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1m 16mmdiameter ball screws calculations


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What is the max load that 2 NEMA 17 stepper motors (spaced 2 feet apart, both will be pushing up on the same gantry) can lift while using a rod with the following specifications T8 OD 8mm Pitch 2mm Lead 4mm for each motor.

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I need the calculation to determine the stepper motor torque to find the load that it can withstand in horizontal position using a lead screw at 1/2" diameter with 13 TPI.

The lead screw must be held in position axially. In other words, you don't want your lead screw to move back and forth at all. This is the only way the coupling hub that is attached to the end of the lead screw could be moving away from its coupling assembly. Depending on the lead screw that you are using, the combination of bearings and collars/nut keep the lead screw in place.

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I am almost done with the book build Cnc machine, but when I run the motors from mach 3, the 1/2" coupling comes out of the middle spider (the joiner which connects 1/4 and 1/2" coupling. How do I prevent this?