Appendix A - Modbus Variable Map
Setup
Setup
Setup Registers
Registers
Registers
All registers are 32-bit.
Address
Address
Address
Description
Description
Description
Permissions
Permissions
Permissions
Units
Units
Units
Low
Low
Low
High
High
High
Notes
Notes
Notes
403000
Communication,
Modbus Mode
Read/Write
Bit
0
1
0 = Off
1 = On
403002
Communication,
Modbus Address
Read/Write
Value
1
247
403004
Communication,
Modbus Baud Rate
Read/Write
Value
0
4
0 = 9600
1 = 19200
2 = 38400
3 = 578600
4 = 115200
403006
Communication,
Modbus Parity
Read/Write
Value
0
2
0 = None
1 = Odd
2 = Even
403008
Communication,
Modbus Stop Bits
Read/Write
Value
1
2
403010
Display, Date
Format
Read/Write
Value
0
2
0 = MM/DD/YY
1 = DD/MM/YY
2 = YY/MM/DD
403012
Display, Backlight
Timer
Read/Write
minutes
0
99
0 = Always On
403014
Display,
Maintenance
Totalizer Alarm
Enable
Read/Write
Bit
0
1
0 = Off
1 = On
403016
Display, Flow Rate
Alarm Enable
Read/Write
Bit
0
1
0 = Off
1 = On
Used for F3 and F2 alarms
403018
Display, Flow Rate
Alarm Auto Clear
Read/Write
Bit
0
1
0 = Off
1 = On
Used for F3 and F2
deviations
403020
Unused
403022
Pressure
Transducer Enable
Read/Write
Bit
0
1
0 = Off
1 = On
403024
Units, Flow Rate
Read/Write
Value
0
2
0 = cc/min
1 = l/min
2 = gal/min
403026
Units, Pressure
Read/Write
Value
0
2
0 = psi
1 = bar
2 = MPa
403028
Units, Batch
Volume
Read/Write
Value
0
2
0 = cc
1 = l
2 = gal
403030
Units, Grand
Volume
Read/Write
Value
0
2
0 = cc
1 = l
2 = gal
403032
System,
Maintenance
Target
Read/Write
cc
0
9999999
Used for MF advisory
403034
Percentage Drive
Maximum Setpoint
Read/Write
Percent
0
99.9
Scaled as 1% = 65536
Active when 403094 = 0
84
3A6948A