PLC / Modbus/RTU
105542_en_05
PHOENIX CONTACT
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I/O input data, address range 30010 ... 30999
Modbus function code 04
I/O output data, address range 40010 ... 40999
Modbus function code 03, 16
RAD-PT100-4-IFS
I/O
MAP
High byte 15 ... 8
Low byte 7 ... 0
30
xx
0
Timeliness of data
Module type ID
X X X X X X X X X
30
xx
1
Reserved
30
xx
2
T1
X X X X X X X X X X X X X X X X
30
xx
3
T2
X X X X X X X X X X X X X X X X
30
xx
4
T3
X X X X X X X X X X X X X X X X
30
xx
5
T4
X X X X X X X X X X X X X X X X
30xx6 ... 30xx9 reserved
Example for reading temperature T1 (I/O MAP = 02):
function code 04, start address 21 (hex15)
....
.
.
.
....
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.
.
....
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.
.
....
.
.
.
30
99
0
40
99
0
