128
I/O Area and I/O Allocations
Section 4-2
CPU Unit with 20 I/O Points
CPU Unit with 30 I/O Points
CPU Unit with 40 I/O Points
For a CPU Unit with 40 I/O points (shown above), a total of 24 input bits are
allocated to the input terminal block. The bits that are allocated are input bits
CIO 0.00 to CIO 0.11 (i.e., bits 00 to 11 in CIO 0) and input bits CIO 1.00 to
CIO 1.11 (i.e., bits 00 to 11 in CIO 1).
In addition, a total of 16 output bits are allocated to the output terminal block.
The bits that are allocated are output bits CIO 100.00 to CIO 100.07 (i.e., bits
00 to 07 in CIO 0) and output bits CIO 101.00 to CIO 101.07 (i.e., bits 00 to 07
in CIO 1).
15 14 13 12
11 10 09 08 07
06 05
04 03 02 01 00
12 inputs bits
8 output bits
8 outputs
CIO 0
(CIO 0.00 to CIO 0.11)
CIO 100
(CIO 100.00 to CIO 100.07)
Input bits
Output bits
CIO 0
CIO 100
12 inputs
Do not use.
Can be used as work bits.
15 14 13 12
11 10 09 08 07
06 05
04 03 02 01 00
18 inputs bits
12 output bits
8 outputs
CIO 0 (CIO 0.00 to CIO 0.11)
CIO 1 (CIO 1.00 to CIO 1.05)
CIO 100 (CIO 100.00 to CIO 100.07)
CIO 101 (CIO 101.00 to CIO 101.03)
Input bits
Output bits
CIO 0
CIO 100
18 inputs
Do not use.
Can be used as work bits.
CIO 1
CIO 101
15 14 13 12
11 10
09 08 07
06 05
04 03 02 01 00
24 inputs bits
16 output bits
16 outputs
CIO 0 (CIO 0.00 to CIO 0.11)
CIO 1 (CIO 1.00 to CIO 1.11)
CIO 100 (CIO 100.00 to CIO 100.07)
CIO 101 (CIO 101.00 to CIO 101.07)
Input bits
Output bits
CIO 0
CIO 100
24 inputs
Do not use.
Can be used as work bits.
CIO 1
CIO 101
Summary of Contents for CP1L - 12-2007
Page 3: ...iv...
Page 9: ...x...
Page 13: ...xiv TABLE OF CONTENTS...
Page 21: ...xxii...
Page 33: ...xxxiv Conformance to EC Directives 6...
Page 65: ...32 Function Blocks Section 1 5...
Page 428: ...395 Clock Section 6 9...
Page 429: ...396 Clock Section 6 9...
Page 523: ...488 Troubleshooting Unit Errors Section 9 4...
Page 531: ...496 Replacing User serviceable Parts Section 10 2...
Page 563: ...528 Auxiliary Area Allocations by Function Appendix C...
Page 611: ...576 Auxiliary Area Allocations by Address Appendix D...
Page 638: ...603 Connections to Serial Communications Option Boards Appendix F Connecting to Unit...
Page 639: ...604 Connections to Serial Communications Option Boards Appendix F...
Page 669: ...634 Index...
Page 671: ...636 Revision History...