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Help - DQ Parameter to Link up 3x G120 Inverters?

Created by: ak104956 at: 3/4/2023 9:46 PM (3 Replies)

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3/4/2023 9:46 PM	Rate (0)
ak104956 Advanced Member Joined: 11/4/2018 Last visit: 6/30/2025 Posts: 62 Rating: (1)	Hello, I'm working on a conveyor upgrade project which has three G120 Inverters (CU240E-2). The new upgrade is using the same type inverters but brand new ones and I'm trying to figure out which parameter/function was used on DQ 19 on the inverters. Is it an interlinking STO signal? if so, how is this enabled in the drive config, which parameters? The connection in the old system was as follows: 1st Inverter: DQ 0 COM (pin20) : +24V. DI COM 1 (pin 69): 0V. DQ 0 (pin 19): wired to pin20 +24v on 2nd Inverter. DI 0 (pin 5): Run. DI 1 (pin 6): Reset. 2nd Inverter: DQ 0 COM (pin20) : from 1st Inverter DQ 0 (pin 19). DI COM 1 (pin 69): 0V. DQ 0 (pin 19): wired to pin20 +24v on 3rd Inverter. DI 0 (pin 5): Run. DI 1 (pin 6): Reset. 3rd Inverter: DQ 0 COM (pin20) : from 2nd Inverter DQ 0 (pin 19). DI COM 1 (pin 69): 0V. DQ 0 (pin 19): wired to PLC digital input. DI 0 (pin 5): Run. DI 1 (pin 6): Reset. Thank you in advance

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3/5/2023 12:20 PM	Rate (0)
ak104956 Advanced Member Joined: 11/4/2018 Last visit: 6/30/2025 Posts: 62 Rating: (1)	Update: based on a few tests, the E-stop on the panel drops the power to all the inverters so safety is via a Pilz safety relay in the panel. The pin19 connection seems to be like +24v power input that feeds through to inverters 2 and 3. Is there an option to configure +24v power through to other inverters? ak104956 Hello, I'm working on a conveyor upgrade project which has three G120 Inverters (CU240E-2). The new upgrade is using the same type inverters but brand new ones and I'm trying to figure out which parameter/function was used on DQ 19 on the inverters. Is it an interlinking STO signal? if so, how is this enabled in the drive config, which parameters? The connection in the old system was as follows: 1st Inverter: DQ 0 COM (pin20) : +24V. DI COM 1 (pin 69): 0V. DQ 0 (pin 19): wired to pin20 +24v on 2nd Inverter. DI 0 (pin 5): Run. DI 1 (pin 6): Reset. 2nd Inverter: DQ 0 COM (pin20) : from 1st Inverter DQ 0 (pin 19). DI COM 1 (pin 69): 0V. DQ 0 (pin 19): wired to pin20 +24v on 3rd Inverter. DI 0 (pin 5): Run. DI 1 (pin 6): Reset. 3rd Inverter: DQ 0 COM (pin20) : from 2nd Inverter DQ 0 (pin 19). DI COM 1 (pin 69): 0V. DQ 0 (pin 19): wired to PLC digital input. DI 0 (pin 5): Run. DI 1 (pin 6): Reset. Thank you in advance

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3/13/2023 7:32 PM	Rate (0)
Hati Platinum Member Joined: 9/21/2012 Last visit: 9/10/2025 Posts: 4708 Rating: (510)	ak104956 Update: based on a few tests, the E-stop on the panel drops the power to all the inverters so safety is via a Pilz safety relay in the panel. The pin19 connection seems to be like +24v power input that feeds through to inverters 2 and 3. Is there an option to configure +24v power through to other inverters? Daisy chain the 24vdc from drive to drive.

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This contribution was helpful to 1 thankful Users ak104956

3/16/2023 1:35 PM	Rate (0)
petr_sipor Bronze Member Joined: 3/25/2008 Last visit: 9/9/2025 Posts: 224 Rating: (8)	you can find out the function in the P730 converter

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This contribution was helpful to 1 thankful Users ak104956

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