Omron SYSDRIVE 3G3MX-A2002, Руководство пользователя

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4-71
4-2 Function Mode
4
Functions
*1. Broadcasting cannot be performed.
*2. Data is transferred by the number of data bytes. In this example, 6 bytes are used to return the content of
three holding registers.
Read the data received in response, as follows:
Refer to "<Exception Response>" (page 4-74) if the holding register content reading command has
not been performed normally.
<Writing Into the Coil [05h]>
Writes into one coil.
The following table shows the coil status change.
(Example)
Issue the RUN command to the Inverter with slave address 10.
For running, "03" must be set to A002. The coil number of the RUN command is "1".
Query Response
No. Field name
Example
(HEX)
No. Field name
Example
(HEX)
1 Slave address
*1
05 1 Slave address 05
2 Function code 03 2 Function code 03
3
Register start number
(MSB)
00 3 Number of data bytes
*2
06
4
Register start number
(LSB)
19 4
Register start number
(MSB)
00
5
Number of holding
registers (MSB)
00 5
Register start number
(LSB)
07
6
Number of holding
registers (LSB)
03 6
Register start 1
(MSB)
00
7 CRC-16 (MSB) D5 7
Register start 1
(LSB)
09
8 CRC-16 (LSB) 88 8
Register start 2
(MSB)
00
9
Register start 2
(LSB)
FF
10 CRC-16 (MSB) 36
11 CRC-16 (LSB) 37
Response buffer 4 5 6 7 8 9
Holding register start
number
+0
(MSB)
+0
(LSB)
+1
(MSB)
+1
(LSB)
+2
(MSB)
+2
(LSB)
Response data 00h 07h 00h 09h 00h FFh
Trip cause Overvoltage trip Undervoltage trip No trip
Coil status
OFF
→
ON ON
→
OFF
Change data (MSB) FFh 00h
Change data (LSB) 00h 00h