Panasonic SQ4-C11 Instruction Manual page 26

Controller for safety liquid leak sensor sq4-a series
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Functions
When safety inputs 1 / 2 are not used, set the No. 1 and 3 of "safety input mode switches" to
ON and No. 2 and 4 to OFF, and open the safety input terminals of SIN1 / SIN2, SIN+ / SIN-,
SI+ / SI- and SO+ / SO-.
[Invalid]
Safety input mode
setting switch
Contact input mode
"Closed" for safe condition
(Safety contact)
(emergency stop switch, etc.)
ON for light interruption
Semiconductor
(light curtain, scanner, etc.)
input mode
ON for approach
(Safety sensor)
(safety switch, etc.)
26
NC (normal close) type
When control outputs 1/ 2 (OSSD1 / 2) of other device are connected to the safety
input 1 / 2 of this device, mount in the same control panel.
● When this device is used with PNP output (or NPN output), use the PNP out-
put type (or NPN output type) for the safety sensor. If a different output type is
used, control outputs 1 / 2 (OSSD 1 / 2) are OFF.
● Use the sensor with the cross-wire monitoring function for control output 1 / 2
(OSSD 1 / 2). Connect wires to both safety inputs 1 and 2. Note that only one
side connection does not lead to normal operation. Use the safety contact with
two NC (normal close) contacts and connect wires to both safety inputs 1 / 2.
Note that only one side connection does not lead to normal operation.
Operation for ON
SIN1 and SIN+ are "Close".
SIN2 and SIN- are "Close".
Safety sensor is ON.
© Panasonic Industriar Devices SUNX Co., Ltd. 2016
Operation for OFF
SIN1 and SIN+ are "Open".
SIN2 and SIN- are "Open".
Safety sensor is OFF.

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