Omron JX

4-71
4-2 Function Mode
4
Functions
Refer to "<Exception Response>" (4-75) if the coil status reading command has not been performed
normally.
<Reading the Holding Register Content [03h]>
Reads the specified number of consecutive holding register contents from the specified holding
register addresses.
(Example)
•Reads the latest trip information (frequency, current, voltage at trip) from the Inverter with the slave
address "1".
•Refer to the trip status as follows:
*1.Broadcasting cannot be performed.
*2.Data is transferred by the number of data bytes. In this example, 12 ("0Ch") bytes are used since
6 pieces of holding register data are returned.
*3.Note that the holding register start address is "0011h", which is smaller by 1 than the register
number "0012h".
JX command D081 (Factor) D081 (Frequency)
D081
(Output current)
D081
(DC bus V DC)
Register No. 0012h 0014h 0016h 0017h
Trip status Overcurrent (E03) 9.9 Hz 3.0 A 284 V
Query Response
No. Field name
Example
(Hex)
No. Field name
Example
(Hex)
1 Slave address*1 01 1 Slave address 01
2 Function code 03 2 Function code 03
3
Register start address
*3
(MSB)
00 3 Number of data bytes
*2
0C
4
Register start address
*3
(LSB)
11 4 Register data 1 (MSB) 00
5
Number of holding
registers (MSB)
00 5 Register data 1 (LSB) 03
6
Number of holding
registers (LSB)
06 6 Register data 2 (MSB) 00
7 CRC-16 (MSB) 95 7 Register data 2 (LSB) 00
8 CRC-16 (LSB) CD 8 Register data 3 (MSB) 00
9 Register data 3 (LSB) 63
10 Register data 4 (MSB) 00
11 Register data 4 (LSB) 00
12 Register data 5 (MSB) 00
13 Register data 5 (LSB) 1E
14 Register data 6 (MSB) 01
15 Register data 6 (LSB) 1C
16 CRC-16 (MSB) AF
17 CRC-16 (LSB) 6D