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35
Part Names and Functions
Section 2-1
(3)
Peripheral USB Port
Used for connecting to a personal computer for programming and moni-
toring by the CX-Programmer.
(4)
Analog Adjuster
By turning the analog adjuster, it is possible to adjust the value of A642
within a range of 0 to 255. (Refer to
6-4 Analog Adjuster and External
Analog Setting Input
.)
(5)
External Analog Setting Input Connector
By applying 0 to 10 V of external voltage, it is possible to adjust the value
of A643 within a range of 0 to 256. This input is not isolated. (Refer to
6-
4 Analog Adjuster and External Analog Setting Input
.)
(6)
DIP Switch
CPU Units with 30 or 40 I/O Points
Note
The following data will be write-protected if pin SW1 is turned ON:
• The entire user program (all tasks)
• All data in parameter areas (such as the PLC Setup)
When SW1 is turned ON, the user program and the data in the pa-
rameter areas will not be cleared even if the All Clear operation is
performed from a Peripheral Device (i.e., the CX-Programmer).
CPU Units with 14 or 20 I/O Points
No.
Setting
Description
Application
Default
SW1
ON
User memory write-
protected (See note.)
Used to prevent pro-
grams from being inad-
vertently overwritten.
OFF
OFF
User memory not
write-protected.
SW2
ON
Data automatically
transferred from
Memory Cassette at
startup.
Used to enable pro-
grams, Data Memory, or
parameters saved on a
Memory Cassette to be
opened by the CPU Unit
at startup.
OFF
OFF
Data not transferred.
SW3
ON
A395.12 ON
This pin enables control-
ling a bit in memory with-
out using an input relay.
OFF
OFF
A395.12 OFF
SW4
ON
Used for peripheral
bus.
Used to enable a Serial
Communications Option
Board mounted in Option
Board Slot 1 to be used
by the peripheral bus.
OFF
OFF
According to PLC
Setup.
SW5
ON
Used for peripheral
bus.
Used to enable a Serial
Communications Option
Board mounted in Option
Board Slot 2 to be used
by the peripheral bus.
OFF
OFF
According to PLC
Setup.
SW6
OFF
Keep turned OFF.
---
OFF
No.
Setting
Description
Application
Default
SW1
ON
User memory write-
protected (See note.)
Used to prevent pro-
grams from being inad-
vertently overwritten.
OFF
OFF
User memory not
write-protected.
ON
1
2
34
56
ON
12
3
4
Содержание CP1L-L14D Series
Страница 2: ...CP1L L14D CP1L L20D CP1L M30D CP1L M40D CP1L CPU Unit Operation Manual Revised June 2007...
Страница 3: ...iv...
Страница 9: ...x...
Страница 13: ...xiv TABLE OF CONTENTS...
Страница 21: ...xxii...
Страница 33: ...xxxiv Conformance to EC Directives 6...
Страница 65: ...32 Function Blocks Section 1 5...
Страница 153: ...120 CP CPM1A series Expansion I O Unit Wiring Section 3 6...
Страница 523: ...490 Troubleshooting Unit Errors Section 9 4...
Страница 531: ...498 Replacing User serviceable Parts Section 10 2...
Страница 563: ...530 Auxiliary Area Allocations by Function Appendix C...
Страница 611: ...578 Auxiliary Area Allocations by Address Appendix D...
Страница 638: ...605 Connections to Serial Communications Option Boards Appendix F Connecting to Unit...
Страница 639: ...606 Connections to Serial Communications Option Boards Appendix F...
Страница 669: ...636 Index...
Страница 671: ...638 Revision History...