PLC / Modbus/RTU
105542_en_05 PHOENIX CONTACT 79 / 198
6.6.9 Complete overview of the Modbus memory map
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-DAIO6-IFS RAD-DAIO6-IFS
I/O
MAP
High byte 15 ... 8 Low byte 7 ... 0
I/O
MAP
High byte 15 ... 8 Low byte 7 ... 0
30 xx 0
Timeliness of data Module type ID
40 xx 0
Timeliness of data Module type ID
X X X X X X X X X X X X X X X X X X
30 xx 1
DI
40 xx 1
DO
2 1 2 1
X X X X
30 xx 2
AI1
40 xx 2
AO1
X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X
30xx3 ... 30xx9 reserved 40xx3 ... 40xx9 reserved
RAD-DI4-IFS RAD-DOR4-IFS
I/O
MAP
High byte 15 ... 8 Low byte 7 ... 0
I/O
MAP
High byte 15 ... 8 Low byte 7 ... 0
30 xx 0
Timeliness of data Module type ID
40 xx 0
Timeliness of data Module type ID
X X X X X X X X X X X X X X X X X X
30 xx 1
DI4 ... DI1
40 xx 1
DO4 ... DO1
X X X X X X X X
30xx2 ... 30xx9 reserved 40xx2 ... 40xx9 reserved
RAD-DI8-IFS RAD-DI8-IFS
I/O
MAP
High byte 15 ... 8 Low byte 7 ... 0
I/O
MAP
High byte 15 ... 8 Low byte 7 ... 0
30 xx 0
Timeliness of data Module type ID
40 xx 0
Timeliness of data Module type ID
X X X X X X X X X X X X X X X X X X
30 xx 1
DI8 ... DI1
40 xx 1
Bit 0 = 1: reset DI1
Bit 1 = 1: reset DI7
X X X X X X X X X X
30 xx 2
Counter state DI1 (low word) 40xx2 ... 40xx9 reserved
X X X X X X X X X X X X X X X X
30 xx 3
Counter state DI1 (high word)
X X X X X X X X X X X X X X X X
30 xx 4
Counter state DI7 (low word)
X X X X X X X X X X X X X X X X
30 xx 5
Counter state DI7 (high word)
X X X X X X X X X X X X X X X X
30xx6 ... 30xx9 reserved