3-3-5 Series Connection
[Connectable up to 3 sets (however, 192 beam channels max.)]
This is the configuration when multiple sets of emitters and receivers facing each other are
connected in series. It is used when the dangerous area can be entered from two or more
directions. The control output (OSSD 1, OSSD 2) turns OFF if light of any set is blocked.
For series connection, connect emitter and emitter, receiver and receiver,
respectively, using the exclusive cable for series connection (
SF4A-CSL
□
).
Wrong connection could produce a non-sensing area, which can result in serious
injury or death.
When multiple sets of sensors are connected in series, the response time is
changed. In case of series connection, calculate the safety distance again and
maintain the safety distance which is equal to or greater than the safety distance.
If the sufficient distance is not maintained, the machine will not stop before its
dangerous parts are reached, which can result in serious injury or death.
* S1
Switch ‘S1’
+9V to Vs: Emission (at 2mA or less sink current) (Note)
Open or 0 to +1.5V: Emission halt
Note: Vs is the same voltage as the voltage of the power supply to be used.
<Reference>
Use a safety relay unit or an equivalent control circuit in safety for FSD.
© Panasonic Industrial Devices SUNX Co., Ltd. 2013 MJE-SF4A No.0038-55V
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Summary of Contents for SF4-AH Series
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