Switch Settings - Omron CQM1 Operation Manual

Switch Settings

2-2 Switch Settings
CQM1-G7M21 Master
All pins are factory-set
to OFF
OFF ON
Pin 4
Pin 3
Pin 2
Pin 1
Remove the terminal block to expose the DIP switch underneath. Refer to the
CQM1H Operation Manual (W363) or the CQM1 Operation Manual (W226)
for the method of removing the terminal block.
Use a thin-tipped object, such as a small screwdriver, to set the switches.
Not used (set to OFF).
HOLD/HOLD OFF Setting:
Sets the HOLD/HOLD OFF function. This setting determines whether the sig-
nal input status to the CPU is held when a transmission error occurs (HOLD)
or whether all input bits are cleared (HOLD OFF).
Setting
ON Signal input status held when a transmission error occurs (HOLD).
OFF Signal input status cleared when a transmission error occurs (HOLD
OFF).
Output Word Setting:
Sets the number of output words (points) occupied at the Master.
Setting
ON One word (16 points) of outputs.
OFF Two words (32 points) of outputs.
Input Word Setting:
Sets the number of input words (points) occupied at the Master.
Setting
ON One word (16 points) of inputs.
OFF Two words (32 points) of inputs.
Note 1. Even when selected, the HOLD function does not operate in the following
cases:
Error in the Master (CPU out of control,
etc.)
Error in Expansion Master (CPU out of
control, etc.)
Cable discontinuity between Master
and Expansion Master
Shorting in transmission route
DIP switch
Description
Description
Description
HOLD inoperative for Master and
Expansion Masters.
HOLD operative for Master but inoper-
ative for Expansion Masters.
Section 2-2
39