Writing N Words - JUMO IPC 300 Operating Manual

3 Functions
Example
Write external inhibit input = 1
Modbus address = 0x00CD
Instruction:
01
Response (same as instruction):
01
3.3

Writing n words

This function is used to write n words starting at a specific address.
Instruction
Slave address
1 byte
Response
Slave address
1 byte
Example
Write setpoint value = 12.34
Modbus address = 0x00D5
Instruction:
01 10
Response:
01
14
06 00
06 00
Function Address
0x10 First word
1 byte 2 bytes
Function
0x10
1 byte
00 D5 00
10 00
CD 00
CD 00
Number of Number of
words bytes
(max. 127)
2 bytes 1 byte
Address Number of words
First word
2 bytes 2 bytes
02 04 70
Setpoint value = 12.34
D5 00
01 D9F5
01 D9F5
Word values Checksum
CRC16
x bytes 2 bytes
Checksum
CRC16
2 bytes
A3 41 45
02 5030
258D
CRC