Instruction manual

MODBUS Protocol

MODBUS Parameters Supported

Thermo Fisher Scientific Model 5030i SHARP Instruction Manual C-9

Coil Number Status

7 BETA DETECTOR ALARMS

8 NEPHELOMETER ALARMS

9 RH/TEMP ALARMS

10 PRES/VAC ALARMS

11 FLOW ALARMS

12 NOT USED

13 NOT USED

14 NOT USED

15 EXT ALARM 1

16 EXT ALARM 2

17 EXT ALARM 3

IMPORTANT NOTE The addresses in the following tables are Protocol

Data Unit (PDU) addresses. Verify the register number on your

MODBUS master to ensure that it matches the register number on the

instrument. ▲

Note For additional information on how to read registers and interpret the

data, refer to the “(0x03/0x04) Read Holding Registers/Read Input

Registers” section in this appendix. ▲

Table C–2. Read Registers for 5030i

0 INVALID

1 & 2 PMa

3 & 4 NOT USED

5 & 6 BARO PRES

7 & 8 VACUUM

9 & 10 NOT USED

11 & 12 FLOW PRES

13 & 14 NOT USED

15 & 16 AMB RH

17 & 18 SAMP RH

19 & 20 NOT USED

21 & 22 AMB TEMP