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37
CQM1-G7M21 Master
All pins are factory-set
to OFF
OFF
↔
ON
→
Pin 4
Not used (set to OFF).
Pin 3
HOLD/HOLD OFF Setting:
Sets the HOLD/HOLD OFF function. This setting determines whether the signal
input status to the CPU is held when a transmission error occurs (HOLD) or
whether all input bits are cleared (HOLD OFF).
Setting
Description
ON
Signal input status held when a transmission error occurs (HOLD).
OFF
Signal input status cleared when a transmission error occurs (HOLD
OFF).
Pin 2
Output Word Setting:
Sets the number of output words (points) occupied at the Master.
Setting
Description
ON
One word (16 points) of outputs.
OFF
Two words (32 points) of outputs.
Pin 1
Input Word Setting:
Sets the number of input words (points) occupied at the Master.
Setting
Description
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.)
HOLD inoperative for Master and
Expansion Masters.
Error in Expansion Master (CPU out of
control, etc.)
HOLD operative for Master but
inoperative for Expansion Masters.
Cable discontinuity between Master
and Expansion Master
Shorting in transmission route
2. Disconnection between Slaves:
HOLD operative for Slaves connected to Master. Inoperative for output
Slaves after the discontinuity. These statuses determined by the output
Slave HOLD/HOLD OFF setting.
CQM1-G7N11 Input Expansion Master
All pins are factory-set
to OFF
OFF
↔
ON
→
Pins 3 and 4
Not used (set to OFF).
Switch Settings
Section 2-2
Содержание CQM1H - 08-2005
Страница 1: ...Cat No W238 E1 8 Dedicated I O Units CQM1H CQM1 series OPERATION MANUAL SYSMAC ...
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Страница 3: ...CQM1H CQM1Series Dedicated I O Units Operation Manual Revised August 2000 ...
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Страница 21: ...1 PART I B7A Interface Unit CQM1 B7A02 CQM1 B7A03 CQM1 B7A12 CQM1 B7A13 CQM1 B7A21 ...
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Страница 45: ...25 PART II G730 Interface Unit CQM1 G7M21 CQM1 G7N01 CQM1 G7N11 ...
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Страница 74: ...Appendix A Specifications 54 Dimensions Common for Master and Expansion Master Unit mm ...
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