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BOOSTER PUMP SYSTEM
BOOSTER PUMP SYSTEM N747D
-BAUD RATE
-DELAY TIME
-DRIVE MODE
Diagnosis
Check Points
Remark
Check connection of N747D and equipment
Refer Page 53
Main board
11.485- 485 signal low
12.GND 485 Ground
13.485+ 485 signal high
Check communication
Refer Page 38
Check N747D Slave ID
Protocol Slave ID should be
Same with N747D Slave
(Refer Page 38 )
Check the start of master
Installer program (Format)
Parameter ADDRESS
Address
Parameter
Scale
Unit
R/W
내용
0x4000
Program version
0.01
R
0~65535
0x4001
Operation mode
R
0 : Controller key 1: RS-485
0x4002
System operation
R/W
0: Stop 1: RUN