Modbus
Remotely monitor oilfield applications
- Monitors BMS status registers including inputs, outputs, and internal state information
- Remote starting and stopping of the BMS
- Allows remote set point adjustments
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Supplemental Documents
| Power Supply Requirements | VALUE | |
|---|---|---|
| Voltage | PF2100 System Voltage | |
| Max Current | The lower of : (1) the current limit of the PF2100 power supply or (2) 250 mA thermally fused on the input card | |
| Temperature Ratings | Min | Max |
| Operating Range | -40°C (-40°F) | +60°C (+140°F) |
| Terminal Blocks | VALUE | |
| Maximum Wire Gauge | 16 AWG | |
| Communications | VALUE | |
| Protocol | Modbus RTU | |
| Baud Rate | 9600 or 19200 bps (user selectable) | |
| Parity | None | |
| TX to RX Delay | 2 or 25 ms (user selectable) | |
| RS-485 Signaling | VALUE | |
| Min Differential Receiver Voltage | 400 mV (A to B) | |
| Absolute Max Receiver Voltage | 15 V (A to GND, B to GND) | |
| Typical Differential Driver Voltage | 5 V (Y to Z) | |
| Maximum Driver Short Circuit Current | +/- 250 mA | |
| Termination | None or 120? (user selectable) | |
| Receiver Input Impedance | 96 k? | |