Instructions

13.56 MHz Modbus-RTU RFID Reader QU-950-4-HF User Manual
Quick Ohm Küpper & Co. GmbH
QUIO ®
6
5.1.2 Reader Answer：
Device ID
Function Code
Data
CRC16
1 byte
1 byte
N byte
2 bytes (LSB)
5.2 Supported command
The following command are displayed in HEX format.
5.2.1 Command: Read Holding register - 0x03(DEC: 03)
Send：
Device
ID
Function
Data
CRC16
Start
Register
Address:
High Byte
Start
Register
Address:
Low Byte
Register
Number:
High Byte
Register
Number:
Low Byte
1 byte
0x03
1 byte
1 byte
1 byte
1 byte
2bytes(LSB)
Answer：
Device
ID
Function
Data
CRC16
Byte Number for reading
Data for reading
1 byte
0x03
1 byte
N byte
2bytes(LSB)
5.2.2 Command: Read Input register - 0x04(DEC: 04)
Send：
Device
ID
Function
Data
CRC16
Start
Register
Address:
High Byte
Start
Register
Address:
Low Byte
Register
Number:
High Byte
Register
Number:
Low Byte
1 byte
0x04
1 byte
1 byte
1 byte
1 byte
2bytes(LSB)
Answer：
Device
ID
Function
Data
CRC16
Byte Number for reading
Data for reading
1 byte
0x04
1 byte
N byte
2bytes(LSB)