Modbus Communication Parameter With The Function Codes 0X03, 0X04 And 0X10; Table A- 16 Communication Parameters - Siemens SENTRON PAC3100 Manual

A.2.10

MODBUS communication parameter with the function codes 0x03, 0x04 and 0x10

Addressing the communication parameters
Table A- 16 Communication parameters
Offset Number of Name
registers
63007 2 Bootloader version
63009 2 Password protection
ON/OFF
63019 2 MODBUS address
63021 2 Baud rate
63023 2 Data bits / Parity bits
/ Stop bits
63025 2 Response time
SENTRON PAC3100
Manual, 07/2009, A5E02385159B-01
Unit Format
- unsigned long
- unsigned long
- unsigned long
- unsigned long
- unsigned long
ms unsigned long
Applicable Value range
MODBUS from ... to
function codes
0x03 char, uchar,
•
uchar, uchar
0x04
•
0x03
• 0, 1
0x04
•
0x03
• 1 ... 247
0x04
•
0x10
•
0x03
• 0 = 4,800 baud
1 = 9,600 baud
0x04
•
2 = 19,200 baud
0x10
•
3 = 38,400 baud
0x03
• 0 = 8N2
0x04
•
1 = 8E1
0x10
•
2 = 8O1
3 = 8N1
0x03
• 0 ... 255
0 = Auto
0x04
•
0x10
•
Appendix
A.2 Modbus RTU
Access
R
R
RW
RW
RW
RW
137