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Chapter2 External Test
F3SG-SR
User’s Manual
System Operation and Functions
2-6. External Test
2-6-1. Overview
This function stops the emission using an external signal. It can be used to verify that a safety system
should properly stop (safety outputs turn OFF) when F3SG-SR is blocked.
To stop the emission, apply the following voltage to the emitter's TEST line.
When the Muting is active, kept ON even if the emission is stoped.
Basic wiring diagram
Timing chart
F3SG-SRA
F3SG-SRB
Light emission stop condition (TEST input wire) Input voltage
Emission stops when connecting with 24 VDC. Vs-3 to Vs
Emission stops when connecting with 0 V. 0 to 3 V
+24 VDC
0V
Emission stops when connecting with 24 VDC.
S1
0V
+24 VDC
Emission stops when connecting with 0 V.
S2
S1: Test switch (Connect the line to 0 V
if this switch is not required.)
S2: Test switch (Connect the line to +24
VDC if this switch is not required.)
24V/0V (Brown)
TEST(Black)
0V/24V (Blue)
F3SG-SR
emitter
F3SG-SR
emitter
24V/0V (Brown)
TEST(Black)
0V/24V (Blue)
Toff x 4 ms or less
TEST
OFF
OSSD
ON
OFF
ON
Toff x 8 + 100 ms or less*
TEST
Emission stops when connected to 24 VDC:
Emission stops when connected to 0 VDC:
OFF
OSSD
ON
OFF
ON
Toff: ON to OFF response time
Toff x 4 ms or less
Toff x 8 + 100 ms or less*
* Toff×8 + 100 ms or less is the value when the Optical
Synchronization is used. When the Wired Synchronization
is used, the time is Toff × 8 ms or less.
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