Omron CP1H CPU UNITS - PROGRAMMING 05-2007, Operation Manual

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CompoBus/S I/O Link Units
Section 7-6
(2) DIP Switch
Used to specify the node number for the CompoBus/S I/O Link Unit.
(Refer to the following table.)
(3) LED Indicators
Used to show the CompoBus/S communications status.
(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.
Pin labels
Contents
1
2
4
8
DR
HOLD
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
1 = ON, 0 = OFF
ON
OFF
ON
OFF
Long-distance communications mode (See note.)
High-speed communications mode
Retain inputs after a communications error.
Clear inputs after a communications error.
ON
1 2 4 8 DR HOLD
SW1
8 4 2 1
0 0 0 0
0 0 0 1
0 0 1 0
0 0 1 1
0 1 0 0
0 1 0 1
0 1 1 0
0 1 1 1
1 0 0 0
1 0 0 1
1 0 1 0
1 0 1 1
1 1 0 0
1 1 0 1
1 1 1 0
1 1 1 1
NODE NUMBER
SW1
Node Number
Setting
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.
Indicator Name Color Meaning
COMM Communications
indicator Yellow ON: Communications in progress.
OFF: Communications stopped or error
has occurred.
ERR Error indicator Red ON: A communications error has
occurred.
OFF: Indicates normal communications
or stand-by.