Auto Reset - Panasonic SQ4-C11 Instruction Manual

Functions
<Time chart>
Open
Reset input
Short-
circuit
ON
Sensor detection
output
OFF
ON
Control output 1 / 2
(OSSD 1 / 2)
OFF

3-2-2 Auto reset

When the detecting output of sensor is ON (without liquid leak), control outputs 1 / 2 (OSSD 1 / 2)
can be automatically ON.
To monitor an external device, a back check circuit (KA, KB) should be prepared between X1
and X3. If a back check circuit (KA, KB) is not required, the circuit between X1 and X3 should
be shorted.
<When back check circuit is required>
<When back check circuit is not required>
Note: The reset will be canceled in case cleaning of sub detection part is not enough or detecting auxiliary out-
put (white) of safety leak sensor is broken.
<Time chart>
ON
Sensor detection
output
OFF
30ms or more
ON
Control output 1 / 2
(OSSD 1 / 2)
OFF
22
30ms or more
20ms or less
X1
X1
When this device is operated in auto reset, auto recovery of the system after
control output shutoff should be prevented with a safety relay unit.
(From EN 60204-1)
20ms or less
100ms or less
100ms or less
KA KB
© Panasonic Industriar Devices SUNX Co., Ltd. 2016
X2
X2