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PR 5500 Instrument Manual
ModBus Protocol
Sartorius EN-425
Function 5: Writing a Bit
Command
Function
number
Address of the
bit
Value of the bit
Always 0
1 byte
2 bytes
1 byte
1 byte
Value range
5
0 to 127
0 or 255
0
Reply
Function
number
Address of the
bit
Value of the bit
Always 0
1 byte
2 bytes
1 byte
1 byte
Example of function 5 for setting bit 113 (taring) with ModBus-RTU:
Command
1
5
0
113
255
0
CRC
CRC
Reply
1
5
0
113
255
0
CRC
CRC
Example with ModBus-TCP:
Command
47
13
0
0
0
6
0
5
0
113
255
0
Reply
47
13
0
0
0
6
0
5
0
113
255
The individual bytes are shown.
Function 6: Writing a Word
Command
Function number Word address
Value of the word
1 byte
2 bytes
2 bytes
Value range
6
0 to 63
Reply
Function number Word address
Value of the word
1 byte
2 bytes
2 bytes
If the address is out of the permissible range (0...16383), an error message is sent as a reply.
Summary of Contents for Sartorius Intec Maxxis 4 PR 5500
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