Omron CP1L - Page 73

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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, 40 or 60 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 10,14 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
123456
ON
1234