Omron CPM2C Operation Manual page 72

Unit Components
7. Communications Port
Connects the PC to a Programming Device (including Programming Con-
soles), host computer, or standard external device. The one connector
support two different ports: Peripheral and RS-232C.
CPM2C CPU Unit
Peripheral port
(CMOS level)
RS-232C port
(RS-232C)
Use the correct Connecting Cable (CPM2C-CN111, CS1W-CN114, or
CS1W-CN118).
Note a) A C200H-PRO27-E Programming Console can be connected di-
rectly to the PC with a CS1W-CN224/CN624 Connecting Cable.
b) Use a CPM2C-CN111 or CS1W-CN114 Connecting Cable to con-
nect to the communications port as a peripheral port. The commu-
nications port can be used simultaneously as both a peripheral
port and RS-232C port by using the CPM2C-CN111 Connecting
Cable.
c) Use a CPM2C-CN111 or CS1W-CN118 Connecting Cable to con-
nect to the communications port as a RS-232C port. The commu-
nications port can be used simultaneously as both a peripheral
port and RS-232C port by using the CPM2C-CN111 Connecting
Cable
8. Communications Switch
The Communications Switch controls the communications settings for the
communications port (peripheral port and RS-232C port).
SW1
OFF Use the settings in the PC Setup (DM 6645 to DM 6649). If a Pro-
gramming Console is connected to the peripheral port, however,
operation will be in the Programming Console mode.
ON Use the standard settings (1 start bit, 7 data bits, 2 stop bits, even
parity, and 9,600 bps baud rate.) If a Programming Console is con-
nected to the peripheral port, however, operation will be in the Pro-
gramming Console mode.
9. Customize Switch
The Customize Switch can be used to turn ON and OFF AR 0712 in CPU
Unit memory. AR 0712 will turn ON and OFF according to the status of
SW2 regardless of the operating mode of the CPM2C.
SW2
OFF Turns OFF AR 0712.
ON Turns ON AR 0712.
Note SW2 functions as the communications switch for some Units. Refer
to 1-7 Changes in SW2 for details.
10. Battery
This battery backs up memory in CPU Units with an internal clock. The bat-
tery is connected when the Unit is shipped.
Note A battery is not included in CPU Units without an internal clock, but
a CPM2C-BAT01 Battery can be purchased separately and connect-
ed to backup memory.
11. Low Battery Detection Switch
Communications settings
Operation
Section 2-2
49