Omron CP1L Operation Manual page 74

Part Names and Functions
!Caution Always turn OFF the power supply to the PLC before mounting or removing
40
No. Setting
SW2 ON
OFF
SW3 ON
OFF
SW4 ON
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).
(7) Memory Cassette Slot
Used for mounting a CP1W-ME05M Memory Cassette. When mounting
a Memory Cassette, remove the dummy cassette.
Data, such as CP1L CPU Unit programs, parameters, and data memory,
can be transferred to the Memory Cassette to be saved.
Note Memory Cassette cannot be used in CP1L-J CPU Unit.
(8) Power Supply, Ground, and Input Terminal Block
Power supply ter-
minals
Ground terminals
Input terminals
(9) 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/CIF12 RS-422A/485 Option Board
• CP1W-DAM01 LCD Option Board
an Option Board.
Description
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.
Memory Cassette cannot
be used in CP1L-J CPU
Unit.
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.
This SW should be
always OFF for CPU
Units with 10 I/O points,
because there is no
option slot in CPU Units
with 10 I/O points.
Used to provide a 100- to 240-VAC or 24-VDC power
supply.
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.
Used to connect input devices.
Section 2-1
Application
):
):
Default
OFF
OFF
OFF