Omron CP1H CPU Operation Manual page 483

CompoBus/S I/O Link Units
NODE NUMBER
ON
Note: The long-distance communications
mode can be used only when one of
the following Master Units is
connected: C200HW-SRM21-V1,
CQM1-SRM21-V1, or SRM1-C0@-V2.
Note
Wiring the CompoBus/S
Communications Path
DIP Switch Settings
Use the DIP switch to set the CompoBus/S I/O Link Unit's node number, com-
munications mode, and the status of output data when a communications
error occurs.
Pin labels
1
2
4
8
SW1
DR
HOLD
Always turn OFF the power supply before changing the DIP switch settings.
Wire the CompoBus/S communications path as shown in the following dia-
grams.
BD H NC (BS+)
BD L NC (BS−)
BD L
BD H
Contents
SW1
Node Number
Setting
8 4 2
0 0 0 0
1 0 0 0
2 0 0 1
3 0 0 1
4 0 1 0
5 0 1 0
6 0 1 1
7 0 1 1
8 1 0 0
9 1 0 0
10 1 0 1
11 1 0 1
12 1 1 0
13 1 1 0
14 1 1 1
15 1 1 1
1 = ON, 0 = OFF
ON
Long-distance communications mode (See note.)
OFF High-speed communications mode
ON
Retain inputs after a communications error.
OFF
Clear inputs after a communications error.
These terminals are not used. They can
however be used as communications power
supply relay terminals.
NC
Connect the CompoBus/S Communications Cable.
Section 7-6
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
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