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Settings for Individual Safety Inputs
Double-click the row of the safety input to set or select the row and click the Edit Button.
Terminal Name
A terminal name can be set for a safety input. The terminal name set here is used as the I/O tag in the Logic
Editor.
Channel Mode
Set the Channel Mode for the safety input.
Channel Mode
Not Used
Test pulse from test out Specifies connecting a device with a contact output in combination with a test out-
Used as safety input
Used as standard input Specifies connecting a standard device (i.e., a non-safety device).
Test Source
When the channel mode of a safety input is set to Test pulse from test out, select the test output to use in
combination with the safety input.
The channel mode for the test output selected here is automatically set to Pulse Test Output.
Note: The channel mode of the test output selected here automatically becomes Pulse Test Output.
ON Delay Time and OFF Delay Time
These parameters set the ON delay time and OFF delay time for the safety input. The setting range is 0 to
128 ms, but it must be a multiple of the NE1A-SCPU01 cycle time. Check the displayed NE1A-SCPU01 cycle
time and determine the set value.
IMPORTANT: • The optimum value for the NE1A-SCPU01 cycle time is automatically calculated based on
Dual Channel Safety Input Mode
Set the Dual Channel Safety Input Mode and the discrepancy time. The combinations that can be used in
Dual Channel Mode are pre-defined.
5-4 Local I/O Settings
Description
The corresponding safety input will not be used. (It does not connect to an external
input device.)
put.
When this mode is selected, select the test output to use for the Test Source and
then set the test output mode to Pulse Test Output.
When these settings are made, contact between the input signal line and the pow-
er supply (plus) and short circuits with other input signal lines can be detected.
Specifies connecting a safety device with a semiconductor output, such as a light
curtain.
the parameter settings and the programs. Therefore, the ON delay time and OFF delay
time must be set last.
• Set integral multiples of the cycle time for the ON delay time and OFF delay time. Other-
wise, an error will be displayed when the Edit Device Parameter Window is closed.
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