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439
CompoBus/S I/O Link Units
Section 7-6
Specifications
LED Indicators
CPM1A-SRT21 CompoBus/S I/O Link Unit
(1)
CompoBus/S Terminals
The following CompoBus/S terminals are provided: CompoBus/S com-
munications data high/low terminals, NC terminals for communications
power supply plus (+) and minus (-), and an NC terminal. (Power is sup-
plied internally for this Unit, so the NC terminals for communications
power supply can be used as relay terminals.)
Master PC (CS Series)
CPU Unit
CP1H
I/O memory
Input
CIO 2
Output
CIO 12
8 bits
8 bits
I/O memory
Input
CIO 2004
Output
CIO 2000
8 bits
8 bits
CompoBus/S
Master Unit
Unit No. 0
CompoBus/S
I/O Link Unit
Node
number: 0
Model number
CPM1A-SRT21
Master/slave
CompoBus/S Slave
Number of I/O points
8 input points, 8 output points
Number of words allocated in
CPU Unit I/O memory
1 input word, 1 output word
(Allocated in the same way as Expansion Units and
Expansion I/O Units.)
Node number setting
Set using the DIP switch
(Set before turning on the CPU Unit’s power supply.)
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.
BD
NC(BS-)
NC
BD
NC(BS+)
S
COMM
ERR
ON
1
3
2
4 5
6
No.
SRT21
EXP
(1) CompoBus/S Terminals
(3) LED Indicators
(4) Expansion I/O Connecting Cable
(5) Expansion Connector
(2) DIP Switch
Summary of Contents for CP1H-CPU - 05-2006
Page 2: ...CP1H X40D CP1H XA40D CP1H Y20DT D CP1H CPU Unit Operation Manual Revised May 2006...
Page 3: ...iv...
Page 11: ...xii TABLE OF CONTENTS...
Page 15: ...xvi...
Page 19: ...xx...
Page 31: ...xxxii Conformance to EC Directives 6...
Page 71: ...40 Function Blocks Section 1 5...
Page 133: ...102 Computing the Cycle Time Section 2 7...
Page 169: ...138 CPM1A Expansion I O Unit Wiring Section 3 6...
Page 411: ...380 Clock Section 6 8...
Page 519: ...488 Replacing User serviceable Parts Section 10 2...
Page 527: ...496 Standard Models Appendix A...
Page 535: ...504 Dimensions Diagrams Appendix B...
Page 628: ...597 Connections to Serial Communications Option Boards Appendix F Connecting to Unit...
Page 629: ...598 Connections to Serial Communications Option Boards Appendix F...
Page 659: ...628 PLC Setup Appendix G...
Page 665: ...634 Index work words 159 write protection 370...
Page 667: ...636 Revision History...