GE Analytical Instruments ©2016 259 of 270 DLM 68100-09 EN Rev. A
Appendix D: Modbus Map
Register Type Description Function Address Notes
Discrete Inputs (read)
Status 2 1000
New Data Bit 0
Error Bit 1
Standby Bit 2
Alarm 1 Bit 3
Alarm 2 Bit 4
Alarm 3 Bit 5
Alarm 4 Bit 6
Coils (read)
State 1 2000 See Footnote 1
Run Bit 0
Stop Bit 1
Check Standard Enabled 2002 See Footnote 2
Stream 1 Enabled 2003
Stream 2 Enabled 2004
Stream 3 Enabled 2005
Stream 4 Enabled 2006
Stream 5 Enabled 2007
Reject Measurement 2008
Coils (write)
Run 5 2000 See Footnote 3
Stop 2001
Check Standard Enabled 2002