45
Part Names and Functions
Section 2-1
(11) Power Supply, Ground, and Input Terminal Block
(12) Option Board Slots
The following Option Boards can be mounted in either slot 1 or slot 2.
• CP1W-CIF01 RS-232C Option Board
• CP1W-CIF11 RS-422A/485 Option Board
!Caution
Always turn OFF the power supply to the PLC before mounting or removing
an Option Board.
(13) Input Indicators
The input indicators light when input terminal contacts turn ON.
(14) Expansion I/O Unit Connector
A maximum of seven CPM1A Expansion I/O Units (40 I/O points, 20 I/O
points, 8 input points, 8 or output points) and Expansion Units (Analog I/
O Units, Temperature Sensor Units, CompoBus/S I/O Link Units, or
DeviceNet I/O Link Units) can be connected. (For details on using
Expansion Units and Expansion I/O Units, refer to SECTION 7 Using
CPM1A Expansion Units and Expansion I/O Units.)
(15) Output Indicators
The output indicators light when output terminal contacts turn ON.
(16) External Power Supply and Output Terminal Block
Power supply ter-
minals
Used to provide a 100- to 240-VAC or 24-VDC power
supply.
Ground terminals
Functional ground (
):
Connect this ground to strengthen noise immunity and to
prevent electric shock.
(AC power supply models only.)
Protective ground (
):
To prevent electric shock, ground to 100
Ω
or less.
Input terminals
Used to connect input devices.
External power
supply terminals
XA and X CPU Units with AC power supply specifications
have external 24-VDC, 300-mA max., power supply ter-
minals. They can be used as service power supplies for
input devices.
Output terminals
Used for connecting output devices.
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...