Omron CP1L-EL20DR-D Operation Manual page 55

Part Names and Functions
ON
1 2 3 4 5
ON
1 2 3
(3) DIP Switch
CPU Units with 30 or 40 I/O Points
No. Setting
SW1 ON
6
OFF
SW2 ON
OFF
SW3 ON
OFF
SW4 ON
OFF
SW5 ON
OFF
SW6 OFF
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 20 I/O Points
No. Setting
SW1 ON
4
OFF
SW2 ON
OFF
SW3 ON
OFF
SW4 ON
OFF
Description
User memory write- Used to prevent pro-
protected (See note.) grams from being inad-
vertently overwritten.
User memory not
write-protected.
Data automatically Used to enable pro-
transferred from grams, Data Memory, or
Memory Cassette at parameters saved on a
startup. Memory Cassette to be
opened by the CPU Unit
Data not transferred.
at startup.
A395.12 ON This pin enables control-
ling a bit in memory with-
A395.12 OFF
out using an input relay.
Used for peripheral Used to enable a Serial
bus. Communications Option
Board mounted in Option
According to PLC
Board Slot 1 to be used
Setup.
by the peripheral bus.
Used for peripheral Used to enable a Serial
bus. Communications Option
Board mounted in Option
According to PLC
Board Slot 2 to be used
Setup.
by the peripheral bus.
Keep turned OFF. ---
Description
User memory write- Used to prevent pro-
protected (See note.) grams from being inad-
vertently overwritten.
User memory not
write-protected.
Data automatically Used to enable pro-
transferred from grams, Data Memory, or
Memory Cassette at parameters saved on a
startup. Memory Cassette to be
opened by the CPU Unit
Data not transferred.
at startup.
A395.12 ON This pin enables control-
ling a bit in memory with-
A395.12 OFF
out using an input relay.
Used for peripheral Used to enable a Serial
bus. Communications Option
Board mounted in Option
According to PLC
Board Slot 1 to be used
Setup.
by the peripheral bus.
Section 2-1
Application Default
OFF
OFF
OFF
OFF
OFF
OFF
Application Default
OFF
OFF
OFF
OFF
21