Preferred Instruments - Feedwater Center
12
MODBUS ADDRESSING NUMBERS (CONTINUED)
MODBUS ADDRESSING
Modbus
Coil
Address
Read/
Write
Allowed
coil = 0
coil = 1
00090
00091 Transfer Pump 1 Start
Start
Stop
00092 Transfer Pump 2 Start
Start
Stop
00093 Transfer Pump 3 Start
Start
Stop
00094
00095
00096
00097
00098
00099
00100
00101 Surge Tank MU Valve in Auto
Auto
On or Off
00102
00103 Spare
Yes
No
00104 Spare
Yes
No
00105 Transfer Pump 1 Speed in Auto
Auto
On or Off
00106 Transfer Pump 2 Speed in Auto
Auto
On or Off
00107 Transfer Pump 3 Speed in Auto
Auto
On or Off
00108 Transfer Pump 4 Speed in Auto
Auto
On or Off
00109 Transfer Pump 4 Lead
Is Lead
Not Lead
00110 Transfer Pump 4 Fault
Alarm
Normal
00111 Transfer Pump 4 Active
Start
Stop
00112 Transfer Pump 4 On
Start
Stop
00113 Transfer Pump 4 Start
Start
Stop
