I/O Word Allocation
Module type
I/O word allocation
Input
Output
words
Description
words
Input module
1 or 2
—
Each 8-point or 16-point input module is allocated one input word and each
32-point input module is allocated two input words. Words will be allocated in
order starting from IR 001.
Output modules
—
1 or 2
Each 8-point or 16-point output module is allocated one output word and
each 32-point output module is allocated two output words. Words will be
allocated in order starting from IR 100.
B7A Master
link modules
Depending on the module, each B7A Master link module is allocated input
words and output words.
B7A02
B7A12
B7A03
B7A13
B7A21
—
1
1
—
1
—
2
—
1
1
DeviceNet I/O link module
1
1
Each DeviceNet I/O link module is allocated one input word and one output
word.
Profibus-DP
I/O link
The Profibus-DP master configuration data must match this setting.
IN: 32 points
2
2
4
6
8
3
4
6
5
6
8
1
2
4
—
OUT: 32 points
module
IN: 64 points
4
OUT: 64 points
IN: 96 points
6
OUT: 96 points
IN: 128 points
8
OUT: 128 points
AS-Interface
This setting will influence the maximum number of AS-Interface slaves that
can be addressed by the PLC.
IN: 44 points
3
master module
OUT: 44 points
IN: 60 points
4
OUT: 60 points
IN: 92 points
6
OUT: 92 points
IN: 76 points
5
OUT: 76 points
IN: 92 points
6
OUT: 92 points
IN: 124 points
8
OUT: 124 points
CompoBus/S
master
Depending on the module, each CompoBus/S master module is allocated
input words and output words.
IN:16 points
1
OUT: 16 points
modules
IN: 32 points
2
OUT: 32 points
IN: 64 points
4
OUT: 64 points
Analog input module
2 or 4
Each analog input module can be set to input either 2 or 4 points. If the mod-
ule is set to input 2 points, two input words are allocated. If the module is set
to input 4 points, four input words are allocated.
Analog output module
—
—
2
Each analog output module is allocated two output words.
Analog power supply modules for
CQM1-AD041 and -DA021
—
Power supply modules are not involved directly in I/O operations and are thus
not allocated I/O words.
Temperature
00j/10j
2 or 1
2 or 1
Each temperature control module is allocated two input words and two output
words when two loops are used. Only one input word and one output word
are allocated when one loop is used.
control
modules
20j/30j
1
1
1
One input word and one output word are allocated in the order the module is
connected.
Safety relay module
—
One input word is allocated per module in the order the module is connected.
A--168
Programmable Controller CQM1H