© Panasonic Industrial Devices SUNX Co., Ltd. 2014
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Function
3-3 Emission Halt Function
This function stops the emission process of the emitter.
With the emission halt input / reset input line state, it enables to select either emission or emis-
sion halt.
Setting for interlock function
Emission halt input /
Reset input wire (pink)
Emission halt input Control output (OSSD 1 / 2) status
Manual reset
Open
Invalid
ON
When selecting PNP output:
connect to +V
When selecting NPN output:
connect to 0V
Valid
OFF
Auto reset
Open
Valid
OFF
When selecting PNP output:
connect to +V
When selecting NPN output:
connect to 0V
Invalid
ON
During emission halt, the control output (OSSD 1 / 2) becomes OFF state.
By using this function, malfunction due to extraneous noise or abnormality in the control output
(OSSD 1 / 2) and the auxiliary output can be determined even from the equipment side.
Normal operation is restored when the emission halt input / reset input is connected to 0V or +V
(for manual reset: open).
<Timing chart>
Open
Emission
Short
circuit
Emission
halt
ON
OFF
Emission halt
input / Reset
input
Emission status
(Note 1)
Control output
(OSSD 1 / 2)
20ms or less
20ms or less
90ms or less
14ms or less
WARNING
Do not use the emission halt function for the purpose of stopping the machine in which the
SF4B-□C□
is installed.
Failure to do so could result in death or serious injury.
Ramco National
800-280-6933 | [email protected]
www.panasonicsensors.com