RS-485(
Option
)
Communication
3.5 byte
Time
X
X
0
3
2
0
0
2
0
0
0
1
X
X
X
X
3.5 byte
Time Hex
Start
Slave ID Function
Add Hi
Add Lo
No Hi
No Lo
CRC
END
Query(
Example of reading set pressure
)
READ
X
X
0
3
0
2
0
0
3
7
X
X
X
X
3.5 byte
Time Hex
3.5 byte
Time
Start
Slave ID
Function Byte Count Data Hi
Data Lo
CRC
END
Response
3.5 byte
Time
X
X
0
6
2
0
0
2
0
0
3
7
X
X
X
X
3.5 byte
Time Hex
Start
Slave ID Function
Add Hi
Add Lo
Data Hi
Data Lo
CRC
END
Query(Example of writing the set pressure 5.5bar)
Single Write
3.5 byte
Time
X
X
0
6
2
0
0
2
0
0
3
7
X
X
X
X
3.5 byte
Time Hex
Start
Slave ID Function
Add Hi
Add Lo
Data Hi
Data Lo
CRC
END
Response
Article
Specification
Communication Speed
1200/2400/4800/9600/19200 bps
Control Procedure
Asynchronous Communication
Communication System
Half duplex system
Letter
8 bit
Stop bit
1 bit
Error Check (CRC16)
1 byte
Parity Check
None
Code
Name
0 X 03
Read Hold Register
0 X 06
Preset Single Register
Communication Specification
Communication Protocol(ModBus - using RTU protocol)
Summary of Contents for NSQ Series
Page 1: ...NSQP HNSQP BOOSTER PUMP SYSTEM PREMIUM...
Page 2: ......
