Omron CP1H CPU Operation Manual page 480

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.
446
(2) DIP Switch
Used to specify the node number for the CompoBus/S I/O Link Unit.
(Refer to the following table.)
Pin labels
1
2
4
8
SW1
DR
HOLD
(3) LED Indicators
Used to show the CompoBus/S communications status.
Indicator Name
COMM Communications
indicator
ERR Error indicator
(4) Expansion I/O Connecting Cable
Connected to the expansion connector of a CP1H CPU Unit or a CP-
series Expansion Unit or Expansion I/O Unit. The cable is provided with
the CompoBus/S I/O Link Unit and cannot be removed.
Note Do not touch the cables during operation. Static electricity may
cause operating errors.
(5) Expansion Connector
Used to connect CP-series Expansion Units or Expansion I/O Units.
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.
Color
Yellow ON: Communications in progress.
OFF: Communications stopped or error
has occurred.
Red ON: A communications error has
occurred.
OFF: Indicates normal communications
or stand-by.
Section 7-6
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
Meaning