Group 2.6 Communications - Modbus Drive Monitoring
Parameter Number | Parameter Name | Units | Default | Available Settings | Access | Change During Run | Scaling | Size (Bytes) | CAN Register | CAN Sub Index | Modbus Register |
|---|---|---|---|---|---|---|---|---|---|---|---|
P2-50 | Modbus Control Word | N/A | 0 | 0 ... 7 | RO | N | N/A | 1 | 20FAh | 0 | 250 |
P2-51 | Modbus Speed Reference | Hz | 0.00 | -P8-01 ... P8-01 | RO | Y | N/A | 2 | 20FBh | 0 | 251 |
P2-52 | Modbus Torque Reference | % | 0.0 | 0.0 ... 100.0% | RO | Y | 1 = 0.1% | 2 | 20FCh | 0 | 252 |
P2-53 | Modbus Ramp Rate | sec | 0.0 | 0.0 ... 600.0 | RO | Y | 1 - 0.1 s | 2 | 20FDh | 0 | 253 |
P2-56 | Modbus status word lower byte: Drive status | N/A | 0 | 0 ... 255 | RO | N | N/A | 2 | 2100h | 0 | 256 |
P2-56 (1) | Modbus status word upper byte: Error code | N/A | 0 | 0 ... 255 | RO | N | N/A | 2 | 2100h | 1 | 256 |
P2-57 | Modbus Speed Feedback | Hz / rpm / ft/s / m/s | 0.00 | -P8-01 ... P8-01 | RO | N | 1 = 0.1Hz | 2 | 2101h | 0 | 257 |
P2-58 | Modbus Motor Current | Amps | 0.0A | -3276.7 ... 3276.7A | RO | N | 1 = 0.1A | 2 | 2102h | 0 | 258 |
P2-59 | Modbus Output Torque | % | 0.0% | -200.0 ... 200.0% | RO | N | 1 = 0.1% | 2 | 2103h | 0 | 259 |
Allows the user to monitor the Control word individual bits
The drive Control Word is as follows:
Bit | Function when Bit = 0 | Function When Bit = 1 |
|---|---|---|
0 | No Function | Drive Run Forward |
1 | No Function | Drive Run Reverse |
2 | No Function | Reset Fault |
Displays the speed reference received via Modbus.
Displays the torque reference received via Modbus
Displays the ramp rate received via Modbus.
Shows the real-time Modbus status word lower byte.
The below table shows the lower bytes individual bits
Bit | Function when Bit = 0 | Function When Bit = 1 |
|---|---|---|
0 | Drive Stopped | Drive Running |
1 | Drive Healthy | Drive Tripped |
2 | STO Closed | STO Open (Drive Inhibited) |
3 | Service Time not Reached | Service Time Reached |
4 | Drive not in Standby | Drive in Standby |
5 | Reserved | Reserved |
6 | Reserved | Reserved |
7 | Active Trip Code | |
Shows the real-time Modbus status word upper byte.