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Safety Device Function Blocks Section 3-5
3. When the workpiece moves to the right until it is no longer detected by the
MS12, the muting status set for the Override will be cleared, and the Over-
ride Status will go OFF.
Note Muting Status
• ON during muting due to override function.
■ Timing Chart
Normal Operation of the Override Function (Muting Mode: Parallel Muting with
2 Sensors)
3-5-6 Safety Gate Monitoring
Basic Function Monitors the status of a safety gate (i.e., a safety door switch or safety limit
switch). Function tests can be set for Safety Category 2.
Diagram
General Description The Safety Gate Monitoring function block monitors the status of a safety
gate. Safety gate status is monitored using an input signal from a safety door
switch or safety limit switch connected to the door.
The Output Enable signal will turn ON if the input from the switch being moni-
tored is active. The Output Enable signal will turn OFF if the input is inactive or
if an error is detected for the function block.
Startup All errors are turned OFF and all timers are reset at the start of operation.
Outputs are turned ON or OFF according to the input status.
Refer to information later in this section if the function test has been enabled.
Override Discrepancy Time
Muting Signal 11
Output Enable
Fault Present
AOPD Input 2 (NC)
AOPD Input 1 (NC)
Muting Signal 12
Muting Status
Override Input 1 (NO)
Override Input 2 (NO)
Override Status
All muting signals are OFF
Default Maximum Number of I/O
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