MODBUS Protocol
MODBUS Addresses Supported
Thermo Fisher Scientific
Partisol 2000
i
and Partisol 2000
i
-D Instruction Manual
C-9
Table C–1.
Read Coils for 2000
i
and 2000
i
-D
Coil Number
Status
1 GENERAL
ALARM
2
MOTHERBOARD STATUS ALARM
3
MEASUREMENT INTERFACE BOARD STATUS ALARM
4
I/O EXPANSION BOARD STATUS ALARM
5 LOCAL/REMOTE
6 SERVICE
7
EXTERNAL ALARM 1
8
EXTERNAL ALARM 2
9
EXTERNAL ALARM 3
In addition to the coils in
Table C–1
, the coils in
Table C–3
are also
available to be read.
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
Sampler.
▲
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 2000
i
and 2000
i
-D
Register
Number
Variable
Model
40001&40002 FLOW
VOLUME
40003&40004 FLOW2
VOLUME
2000
i
-D only
40005&40006 FLOW
TOTAL
40007&40008 FLOW
COVARIANCE
40009&40010 FLOW2
COVARIANCE
2000
i
-D only
40011&40012 VOLUME
40013&40014 VOLUME2
2000
i
-D only
40015&40016 AMBIENT
PRESSURE
40017&40018 FILTER
PRESSURE