Interlock Function; External Device Monitor Function - Panasonic SF4D Series Instruction Manual

Functions

3-11-3 Interlock Function

Item
Interlock conditions
To use manual reset with optical synchronization, refer to "3-11-10 I/O Setting Function".
For optical synchronization, the reset operation is {Test / reset input: [Short-circuit (+V for PNP
output, 0V for NPN output)] → (Open) → [Short-circuit (+V for PNP output, 0V for NPN output)]}.
<Timing chart>
Open (OFF)
Test / Reset input
Shorted (ON)
Light received
Light received
state
Light blocked
Control output
(OSSD 1 / 2)
Note: The response time depends on the number of beam channels.For details, refer to <Response time by num-
ber of beam channels> in "6-1 Specifications".

3-11-4 External Device Monitor Function

Item
External device moni-
tor function
External device moni-
tor time
120
Description
You can change the conditions
for entering the interlock state.
• Only when the power is turned
ON
• When the device changes
from the light receiving state
to the light blocked state
(Note)
ON
OFF
Description
When the monitoring result
of contact "b" of the external
device is abnormal, the device
enters the lockout state.
When the operation of con-
tact "b" of the external device
exceeds the monitor time, the
device enters the lockout state.
Settings / ranges
Start interlock
• Only when the power is turned
ON
Restart interlock
• When the device changes
from the light receiving state to
the light blocked state
Start / restart interlock
• When the power is turned
ON, and when the device is
blocked
150ms to 4 sec.
Settings / ranges
Valid
(Enters lockout state)
Invalid
(Does not enter lockout state)
Monitor time:
100 to 600ms (increments of 10ms)
© Panasonic Industrial Devices SUNX Co., Ltd. 2017
Factory default
setting
Start / restart interlock
100ms or less
Factory default
setting
Valid
300ms