Write In Coil - Hitachi SJ200 Series Instruction Manual
Single-phase input 200v class; three-phase input 200v class; three-phase input 400v class
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Also See for SJ200 Series:
- Quick reference manual (27 pages) ,
- Instruction manual (278 pages) ,
- Service manual (66 pages)
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B–12
Network Protocol Reference
The data set in the response is as follows:
Response Buffer
Coil Number
Coil Status
Trip data
When the Read Coil Status command cannot be executed normally, refer to the
exception response.
Write in Coil [05h]:
This function writes data in a single coil. Coil status changes are as follows:
Change data (high order)
Change data (low order)
An example follows (note that to command the inverter, set A002=03):
• Sending a RUN command to an inverter having slave address "10"
• This example writes in coil number "1."
Query:
No.
1
2
3
4
5
6
7
8
Note 1:
4
+ 0 (high
+ 0 (low
order)
order)
00h
Over-voltage trip
Data
OFF to ON
Example
Field Name
Slave address *1
Function code
Coil start number
(high order)
Coil start number
(low order)
Change data
(high order)
Change data
(low order)
CRC-16 (high order)
CRC-16 (low order)
No response is made for a
broadcasting query.
5
6
+ 1 (high
+ 1 (low
order)
order)
07h
00h
Under-voltage trip
Coil Status
ON to OFF
FFh
00h
Response:
No.
(Hex)
0A
1
Slave address
05
2
Function code
00
3
Coil start number
(high order)
01
4
Coil start number
(low order)
FF
5
Change data
(high order)
00
6
Change data
(low order)
DC
7
CRC-16 (high order)
81
8
CRC-16 (low order)
7
8
+ 2 (high
+ 2 (low
order)
order)
09h
00h
FFh
No trip
00h
00h
Example
Field Name
(Hex)
0A
05
00
01
FF
00
DC
81
9
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Troubleshooting
