20
21
Press mode key to go to the next fault.
Press the STOP key to exit the fault record display screen.
The controller has communication interface, between the pump controller and
computer/SCADA/BMS, users can realize a long-distance monitoring function.
In case the controller is installed in the basement and the user requires to monitor
and control the pump on the ground or in a control room.
Basic Function:
Computer/SCADA/BMS (Optional) with communication interface can realize long
distance monitoring. In the control room, users can realize all the functions of the
master controller through the slave controller, except parameter calibration and
adjusting.
Special Application:
As adopting communication interface, the communication distance through wire
is less than 1200 meters, whereas for a longer communication distance like mine,
water tower, across railway road and bridge etc., users can adopt RS485 extender.
Technical Parameters:
The following chart shows main technical parameters of communication between
the pump controller and Computer/SCADA/BMS.
Communication link:
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)
