Omron MX2 Series - Write to Multiple Coils [0 F Hex]

8 Communications Functions
8 - 16
Multi-function Compact Inverter 3G3MX2-EV2 User’s Manual (I666-E1)
⚫ Response
No.
Field name
Example
[hex]
1
Slave address
*1
01
2
Function code
08
3
Test sub code (MSB)
00
4
Test sub code (LSB)
00
5
Data (MSB)
Any
6
Data (LSB)
Any
7
CRC-16 (MSB)
CRC
8
CRC-16 (LSB)
CRC
*1. Broadcasting cannot be performed.
The test sub code supports the Echo Query Data command (00 hex, 00 hex) only. Other commands are
not supported.
8-5-6 Write to Multiple Coils [0F hex]
Rewrites the ON/OFF status to consecutive multiple coils.
Change the ON/OFF status of the multi-function input terminal 1 to 7 as shown in the following table.
Item
Data
Coil No.
0007 hex
0008 hex
0009 hex
000A hex
000B hex
000C hex
000D hex
Multi-function input terminal
1
2
3
4
5
6
7
Terminal status
ON
ON
ON
OFF
ON
OFF
OFF
⚫ Query
(Coil address) = (Coil number) − 1
17 hex = 0001 0111
Input terminal 1 input
Input terminal 7
No.
Field name
Example
[hex]
1
Slave address
*1
01
2
Function code
0F
3
Coil start address (MSB)
*2
00
4
Coil start address (LSB)
*2
06
5
Number of coils (MSB)
00
6
Number of coils (LSB)
07
7
Number of bytes
02
8
Change data (MSB)
*3
17
9
Change data (LSB)
*3
00
10
CRC-16 (MSB)
06
CRC-16 (LSB)
98
Example. Changing Status of Multi-function Input Terminals 1 to 7 of
Inverter with Slave Address 1