Modbus Device Information With The Function Codes 0X03, 0X04 And 0X10 - Siemens SENTRON 7KM PAC2200 Product Manual

Appendix
A.1 Modbus TCP
Offset Number of Name
registers
63139 2 MODBUS RTU data
bits/ parity/ stop bits
(if RS485 port is
available)
63141 2 MODBUS RTU
response time (if
RS485 port is avail-
able)
64001 27 IM0 data
64028 89 IM1 – IM4 data
65290 2 Hardware write
protection ON/OFF
(requires pressing of
"SW" key on device)
A.1.10

Modbus device information with the function codes 0x03, 0x04 and 0x10

Addressing the device information parameters
You access the following device information parameters block-by-block only, e.g. read from
Offset 64001 27 Register.
Note
Error in the case of inconsistent access to I&M data.
Please ensure the start offset and the number of registers are correct when making read
accesses and write accesses. Always read or write the entire block.
Please ensure the start offset and the number of registers are correct when making write
accesses.
If a value consists of several registers, a read command applied in the second register, for
example, will generate an error code. The PAC2200 will also output an error code if, for
example, a write operation ends in the middle of a multi-register value.
114
Unit Format
- unsigned long
ms unsigned long
- IM0STRUCT
- IM14STRUCT
- unsigned long
Applicable Value range
Modbus func-
tion codes
0 = 8N2
0x03
1 = 8E1
0x04
2 = 8O1
0x10
3 = 8N1
1 - 255
0x03
0x04
0x10
-
0x03
0x04
-
0x03
0x04
0x10
0 =
0x10
1 =
Equipment Manual, 12/2019, L1V30415167B-03
Access
RW
RW
R
RW
ON RW
OFF
PAC2200