| Pin# | Function* | Type/Description | Notes |
| 1 | Status Relay (Drive Healthy) | Normally Open | 240 VAC, 5A resistive |
| 2 | Status Relay (Drive Healthy) | Normally Open | 240 VAC, 5A resistive |
| 3 | 0V Common | Common for External Analog Devices | |
| 4 | +10 VDC | Reference Supply | 10 mA max |
| 5 | Analog Input 1 (Local Frequency / Speed Reference), 12 bit | Differential Analog Input, Non-invertinq Input | ±10 VDC, 100k Ohms or 4-20 mA**, 100 Ohms |
| 6 | Analog Input 1 (Local Frequency / Speed Reference), 12 bit | Differential Analog Input, lnvertinq Input | ±10 VDC, 100k Ohms or 4-20 mA**, 100 Ohms |
| 7 | Analog Input 2 (Remote Frequency / Speed Reference), 10 bit | Single-ended Analog Input | ±10 VDC, 100k Ohms or 4-20 mA**, 100 Ohms |
| 8 | Analog Input 3 (Motor Thermistor), 10 bit | Single-ended Analog Input | ±10 VDC, 100k Ohms or 4-20 mA**, 100 Ohms |
| 9 | Analog Output 1 (Frequency / Speed Monitor) | Single-ended Analog Output, Bi-polar | ±10 VDC @ 5 mA max |
| 10 | Analog Output 2 (Motor Torque Monitor) | Single-ended Analog Output, Bi-polar | ±10 VDC @ 5 mA max |
| 11 | 0V Common | Common for External Analog Signals | |
| 21 | 0V Common | Not Used | |
| 22 | +24 VDC | User Supply | 200 mA max |
| 23 | 0V Common | Common for External Digital Inputs | |
| 24 | Digital l/O 1 At-Speed Output (Closed Loop) Zero Speed Output (Open Loop) | Digital Input/Output | 0 to 24 VDC, 7.5k Ohms input or 1 to 24 VDC, 100 mA max output |
| 25 | Digital l/O 2 (Reset Input) | Digital Input/Output | 0 to 24 VDC, 7.5k Ohms input or 1 to 24 VDC, 100 mA max output |
| 26 | Digital l/O 3 (Jog Select Input) | Digital Input/Output | Oto 24VDC, 7.5k Ohms input or 1 to 24 VDC, 100 mA max output |
| 27 | Digital Input (Run Forward) | Digital Input | 0 to 24 VDC, 7.5k Ohms |
| 28 | Digital Input (Run Reverse) | Digital Input | 0 to 24 VDC, 7.5k Ohms |
| 29 | Digital Input (Local / Remote Select) | Digital Input | 0 to 24 VDC, 7.5k Ohms |
| 30 | Digital Input External Trip (Open Loop) Drive Enable (Closed Loop / Servo) | Digital Input | 0 to 24 VDC, 7.5k Ohms |
| 31 | 0V Common | Common for External Digital Inputs | |
| *Values in parenthesis designate default functions **0-20, 20-0, and 20-4 mA are also available. See Unidrive Manual. |
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