Code
First
WORD
address
WORDS
number
BYTE
numbers
Word
Value
CRC16
Answer format (containing data):
BYTE BYTE BYTE MSB LSB MSB LSB MSB LSB
Device
address
Funct..
Code
BYTES
number
WORD . WORD CRC16
The BYTES number must always match the WORDS number (in the demand) 2....
Answer format (the demand was wrong) :
BYTE BYTE BYTE MSB LSB
Device address
Funct. Code 0x80 Error code CRC16
Error codes :
* 0x01 incorrect functional code
* 0x02 wrong first WORD address
* 0x03 incorrect data
.... Code BYTES number WORD .
Answer format (the demand was wrong):
BYTE BYTE BYTE MSB LSB
Device address Funct.....SCHRACK TECHNIK GMBH 6
Answer format (containing data):
BYTE BYTE BYTE MSB LSB MSB LSB MSB LSB
Device address Funct.. Code +
0x80
Error code CRC16
Error codes :
* 0x01 incorrect functional code
* 0x02 wrong first WORD address
* 0x03 incorrect data
Code 0x10 writing more consecutive WORDS
Command format :
BYTE BYTE MSB LSB MSB LSB BYTE MSB LSB MSB LSB MSB LSB
Device
address
Funct. WORD CRC16
The BYTES number must always match the WORDS number (in the demand) 2
