Addressing I/O extension modules and RAD-900-DAIO6 with Modbus RTU
3827_en_B PHOENIX CONTACT 107/138
9.5.7 RAD-DO8-IFS process data
I/O module Module type
ID
Number of
registers
Address area Function
code
RAD-DO8-IFS 11
hex
02
hex
Outputs
40xx0 ... 40xx1
1
1
xx = I/O-MAP address set using the thumbwheel
fc 03.16
02
hex
Short-circuit
detection
30xx0 ... 30xx1
1
fc 04
30xx1 Short-circuit detection at the digital outputs
15 14 13 12 11 10 09 08 07 06 05 04 03 02 01 00
Reserved X
1
1
Bit 1 = 1: Short circuit detected at one or several outputs 5 ... 8.
X
2
2
Bit 0 = 1: Short circuit detected at one or several outputs 1 ... 4.
30xx2 ... 30xx9 Reserved
40xx1 Digital outputs DO1 ... DO8
Channel (high byte) Channel (low byte)
15 14 13 12 11 10 09 08 07 06 05 04 03 02 01 00
Reserved DO
8
DO
7
DO
6
DO
5
DO
4
DO
3
DO
2
DO
2
Terminal point
5.x 5.x 4.x 4.x 3.x 3.x 2.x 2.x
40xx2 ... 40xx9 Reserved