Omron CP1E Series User Manual page 214

9 Using Expansion Units and Expansion I/O Units
Additional Information
• Unused bits in the CompoBus/S I/O Link Unit's output words can be used as work bits.
• Unused bits in input word cannot be used as work bits.
2
Determine the node number and making DIP switch settings.
(1) Determining Node Number
• The CompoBus/S I/O Link Unit is a Slave Unit with 8 input bits and 8 output bits. The
node number setting is made using the DIP switch; the inputs and outputs share the
same node number.
• The range of possible node number settings is determined by the type of PLC the Master
Unit is mounted to and the settings on the Master Unit.
For details,
(2) Making DIP Switch Settings
Use the DIP switch to set the CompoBus/S I/O Link Unit's node number, communications
mode, and the status of output data when a communications error occurs.
NODE NUMBER
ON
* 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.
Precautions for Correct Use Precautions for Correct Use
Always turn OFF the power supply before changing the DIP switch settings.
9-54
refer to the CompoBus/S Operation Manual (Cat. No. W266).
Pin labels
1
2
4
8
SW1
DR
HOLD
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 *
OFF High-speed communications mode
ON Retain inputs after a communications error.
OFF Clear inputs after a communications error.
CP1E CPU Unit Hardware User's Manual(W479)
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1