Omron M1 Series User Manual page 663

 Response
No. Field name
1
Slave address
2 Function code
3
Number of data bytes
4 Register data 1 (MSB)
5 Register data 1 (LSB)
6 Register data 2 (MSB)
7 Register data 2 (LSB)
8 Register data 3 (MSB)
9 Register data 3 (LSB)
10 Register data 4 (MSB)
11 Register data 4 (LSB)
12 Register data 5 (MSB)
13 Register data 5 (LSB)
14 Register data 6 (MSB)
15 Register data 6 (LSB)
16 Register data 7 (MSB)
17 Register data 7 (LSB)
18 Register data 8 (MSB)
19 Register data 8 (LSB)
20 Register data 9 (MSB)
21 Register data 9 (LSB)
22 Register data 10 (MSB)
23 Register data 10 (LSB)
24 CRC-16 (MSB)
25 CRC-16 (LSB)
*1. Broadcasting cannot be performed.
*2. Data as much as the number of data bytes will be transferred. In this example, the inverter sends back
data from 10 holding registers, which is 20 (14 hex) bytes.
8-5-3
Write to Coil [05 hex]
Writes to a single coil. The coil status changes as shown in the table below.
Data
Written data (MSB)
Written data (LSB)
Example) Issuing Forward Run Command to Inverter with Slave
Address 1
You need to set the Run command selection to communications (F02/E102=4).
The coil number for the forward run command is 0001.
M1 Series Standard Type User's Manual (I669)
Example
(hex)
*1 01
03
*2 14
00 0001 hex → 01 dec → OC1 Overcurrent protection (during ac-
celeration)
01
02 201 hex → 1000000001 bin → FW: During forward operation,
ACC: During acceleration
01
00 4D2 hex → 1234 dec → 12.34 [Hz] (Frequency)
00
04
D2
01 012C hex → 300 dec → 3.00 [A] (Current)
2C
0B 0B18 hex → 2840 dec → 284.0 [V] (DC voltage)
18
00 A hex → 10 dec → 10 [hex] (Cumulative running time)
00
00
0A
00 A hex → 10 dec → 10 [hex] (Cumulative operation time)
00
00
0A
F9
14
Coil status
OFF to ON ON to OFF
FF hex 00 hex
00 hex 00 hex
8 Communications Functions
Remarks
8
8-13