dooch N747D - Page 62

62 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 whether RS485 is use or not Refer Page 38
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