-43-
No.EX
※※
-OMU1021-A
•Digital output unit parameters
No.
Parameter
Definition
Item
Content
Default
setting
Parameter
setting range
1
Output load
short circuit
detection
Generates error
when the short
circuit of the output
device is detected.
1
Enable
Generates an error.
○
Unit
Disable
Does not generate an
error.
2
Restart after
output load
short circuit
Restore the setting
of short circuit
detection error
after the output
device short circuit
is cleared.
Auto
Error is automatically
cleared when the short
circuit is fixed.
○
Unit
Manual
Even when the short
circuit is fixed, error is not
cleared until the power is
supplied again.
3
Open circuit
detection
Generates error
when the
disconnection of
the output device is
detected.
Enable
Generates an error.
Channel
Disable
Does not generate an
error.
○
4
Output setting
during
communication
fault
2
Sets output when
communication
error is occurred.
Clear
Turn off the output
○
Channel
Hold
Hold the output
ForceON
Turn on the output
forcefully
5
Output setting
during
communication
idling
2
3
Sets output during
communication
idling.
Clear
Turn off the output
○
Channel
Hold
Hold the output
ForceON
Turn on the output
forcefully
6
Output
ON/OFF
counter
Generates error
when the operation
count exceeds the
set value.
4
Enable
Generates an error.
Val: 1 to 65000
5
Channel
Disable
Does not generate an
error.
○
7
Output
ON/OFF
counter clear
Clears the Output
ON/OFF counter to
0.
-
-
-
-
1: Could be incorrectly recognized as short circuit depending on used load (ex.: lamp load). If detection is incorrect, disable the
parameter setting.
2: This function is valid only when "Hold/Clear priority" of the SI unit parameter is set to "Via software".
3: Some PLC does not support an idle mode.
4: The count is memorized every hour. When the power supply is turned on again, counting starts from the last value memorized.
5: Times for setting is set value x1000 times.
