Omron SYSDRIVE MX2 SERIES, Руководство пользователя

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8 Communications Functions
Multi-function Compact Inverter 3G3MX2-V1 User’s Manual (I585-E1)
8-
5 Explan
atio
n o
f Each
Fu
nctio
n
C
ode
8
8-5
-1 Rea
d Coil S
tatus [01 hex]
8-5 Explanation of Each Function Code
Reads the coil status (ON/OFF).
The status of each multi-function input terminal is as follows.
z Query
z Response
*1. Broadcasting cannot be performed.
*2. Note that the coil start address is 0006, which is 1 less than the coil number 0007: Coil start address = Coil
number - 1.
*3. Data as much as the number of data bytes will be transferred. The MSB (the first received data) has the
smallest coil address.
8-5-1 Read Coil Status [01 hex]
Example. Reading Data from Multi-function Input Terminals S1 to S7
of Inverter with Slave Address 1
Item Data
Coil No. 0007 hex 0008 hex 0009 hex 000A hex 000B hex 000C hex 000D hex
Multi-function input terminal S1 S2 S3 S4 S5 S6 S7
Coil status ON OFF ON OFF OFF OFF ON
No. Field name
Example
[hex]
1
Slave address
*1
01
2 Function code 01
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 CRC-16 (LSB) 9D
8 CRC-16 (LSB) C9
No. Field name
Example
[hex]
1
Slave address
*1
01
2 Function code 01
3 Number of data bytes 01
4
Coil data
*3
45
7 CRC-16 (MSB) 90
8 CRC-16 (LSB) 7B
(Coil address) = (Coil number)
−
1
←
45 hex = 0100 0101
Input terminal S7
Input terminal S1