Protection Area
© Panasonic Industrial Devices SUNX Co., Ltd. 2017
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2-3-4-4 Preventing Mutual Interference by Device Placement
This section describes methods for placing 2 or more sets of emitters and receivers facing each
other, rather than in a series or parallel connection. Consider these when there is a wiring prob-
lem or you need to test the system in conjunction with adding new equipment or otherwise.
Use a test rod to perform an operation test as explained in
WARNING
Refer to and understand the examples of device placement given below before installing the devices.
Risk of death or serious injury if the devices are not placed correctly.
<Examples of device placement>
1) Side-by-side placement
2) Vertical placement
Receiver
Emitter
Emitter
Receiver
Receiver
Emitter
Emitter
Receiver
3) Front and back placement
4) With a light-blocking barrier
Emitter
Receiver
Emitter
Receiver
Receiver
Emitter
Receiver
Emitter
Blocking object
Summary of Contents for SF4D Series
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Page 126: ...Functions Panasonic Industrial Devices SUNX Co Ltd 2017 126 MEMO ...
Page 130: ...Maintenance Panasonic Industrial Devices SUNX Co Ltd 2017 130 MEMO ...
Page 140: ...Troubleshooting Panasonic Industrial Devices SUNX Co Ltd 2017 140 MEMO ...
Page 174: ... Panasonic Industrial Devices SUNX Co Ltd 2017 174 MEMO ...