15
Item
Options
Com Port
Port 2
Modbus Device ID
Selectable: 1-255
Baud Rate
Selectable: 9600, 19200, 38400, 57600, or 115200
Data Bits
8
Parity
None
Stop Bits
1
Standard
RS-485
Preset Holding Registers
Register 0240h
Pressure SP (Pressure SP /10) (Example 800 = 80 .0 PSI)
Register 0241h
Actual Pressure (Pressure PV / 10) (Example 786 = 78 .6 PSI)
Register 0242h
Pump System Mode (0=Lead/Lag; 1=Duplex, Triplex, Quadplex based on model)
Register 0243h
Pump System State (0=Maintenance, 1=Commissioning, 2=Manual, 3=Time Based, 4=Day/Time Based)
Register 0244h
Pump 1 State OP (0=Off, 1=On)
Register 0245h
Pump 2 State OP (0=Off, 1=On)
Register 0246h
Pump 3 State OP (0=Off, 1=On)
Register 0247h
Pump 4 State OP (0=Off, 1=On)
Read Coils
Register 0240h
System Alarm
Register 0241h
Pump System State (0=System Off, 1=System On)
Writing Multiple Registers
Register 0250h
Pressure SP (Pressure SP /10) (Example 800 = 80 .0 PSI)
Read Coils
Register 0250h
Pump System State (0=System Off, 1=System On)
Modbus Configuration
Read Parameters
Write Parameters
