Appendix A - Modbus Variable Map
Appendix A - Modbus Variable Map
Table 11 Device Identification Registers
Register
Permissions
Informer
Modbus
Register
Description
Size
Units
Read Only
401040
Software Version Major
32 Bit
String, 4 Bytes
Read Only
401042
Software Version Minor
32 Bit
String, 4 Bytes
Read Only
401044
Software Version Build
32 Bit
String, 4 Bytes
Read Only
401072
Serial Number String - Bytes 0-3
32 Bit
String, 4 Bytes
Read Only
401074
Serial Number String - Bytes 4-7
32 Bit
String, 4 Bytes
Read Only
401076
Serial Number String - Bytes 8-11
32 Bit
String, 4 Bytes
Read Only
401078
Serial Number String - Bytes 12-15
32 Bit
String, 4 Bytes
Read Only
401080
Serial Number String - Bytes 16-19
32 Bit
String, 4 Bytes
Read Only
401082
Serial Number String - Bytes 20-23
32 Bit
String, 4 Bytes
Read Only
401084
Serial Number String - Bytes 24-27
32 Bit
String, 4 Bytes
Read Only
401086
Serial Number String - Bytes 28-31
32 Bit
String, 4 Bytes
Table 12 Run Registers
Register
Permissions
Informer
Modbus
Register
Description
Size
Units
Low
Limit
High Limit Notes
Read/Write 402000 Date, Year
16 Bit YY
1
99
Read/Write 402001 Date, Month
16 Bit MM
1
12
Read/Write 402002 Date, Day
16 Bit DD
1
31
Read/Write 402003 Time, Hour
16 Bit HH
0
23
Read/Write 402004 Time, Minute
16 Bit MM
0
60
Read/Write 402005 Time, Second
16 Bit SS
0
60
Read/Write 402006 Alarms Needing
Acknowledgment
32 Bit Bitfield
alarms
0
0
0b0001–
High flow
alarm;
0b0010 —
Low Flow
alarm;
0b0100 —
Maint. Tar-
get
Set bit to 0
to reset
Read Only
402008 Current Grand Total
32 Bit cc
0
32-bit
Read/Write 402010 Current Batch Total
32 Bit cc
0
999999
Write 0 to
reset
Read/Write 402012 Current Maintenance Total
32 Bit cc
0
999999
Write 0 to
reset
Read Only
402014 Current Flow Rate
32 Bit cc/min
0
65536
3A2614H
45