Chapter 9: Modbus; Description; Register Types; Status - GE RPV311 Technical Manual

RPV311
Distributed Multifunction Fault Recorder

Chapter 9: MODBUS

1

Description

1.1

Register Types

1.2

Status

This chapter provides detailed information about the MODBUS feature.
Status, analog and digital data are available in MODBUS registers. Access to SCADA
integration is provided over Ethernet interface. Up to 8 simultaneous connections are
allowed at a maximum rate of 60 accesses per second.
Each register reports 16-bit data. Registers are divided into 3 groups:
Register
0 Status
100 to 199 Analog data
200 to 223 Digital channels
The equipment status is reported by the following registers:
Register
0 General State
Bit 0: General failure
Bit 1: Low primary power voltage
Bit 2: Not used
Bit 3: Not used
Bit 4: IRIG-B synchronization failure
Type
Type