Grundfos DPC 2-1 - Technical Communication Parameters; Main Technical Communication Data; Main Installation Communication Data

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TECHNICAL PARAMETER:
The following chart shows main technical parameters of communication
between the pump controller and Computer/SCADA/BMS.
Main Technical Data
Physical interface
RS485 Bus Interface: asynchronous semi duplex
Data format
1 start bit, 8 data bit, 1 stop bit, no verify
1 start bit, 8 data bit, 2 stop bit, no verify
Default: 1 start bit, 8 data bit, 1 stop bit, no verify
Baud rate
1200,2400,4800,9600 bps (default 9600bps)
Setting range of controller address: 1-126
127: broadcast address, host computer broadcasting,
slave machine response forbidden
Protocol type
MODBUS protocol (RTU)
Rated input voltage for SC
AC 240V/50Hz, single phase
Main Installation Data
Wire communication distance
1200 meters max by shield twisted pair cable (STP)
for RS485 & CAN
5000 meters max by shield twisted pair cable (STP)
and RS485 extender
STP
STP-120U one pair 20AWG for RS485 & CAN
RS485 extender
5000 meters (9600bps)