SMC Networks PF3A-H Series Manual page 27

Internal Circuits and Wiring Examples
NPN + Analog output selected
PF3A7 H- -CS/DS
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Brown
DC(+)
Black
OUT
White
Analog output
Blue
DC(−)
Max. applied voltage: 28 V, Max. load current: 80 mA, Internal voltage drop: 1 V or less
CS: Analog output: 1 to 5 V or 0 to 10 V
Output impedance: 1 kΩ
DS: Analog output: 4 to 20 mA
Max. load impedance: 600 Ω
Min. load impedance: 50 Ω
NPN + External input selected
PF3A7 H- -CS/DS
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Brown
DC(+)
Black OUT
White External input
Blue
DC(−)
Max. applied voltage: 28 V, Max. load current: 80 mA, Internal voltage drop: 1 V or less
External input: Input voltage 0.4 V or less (Reed or Solid state input) for 30 ms or longer
Accumulated pulse output wiring examples
PF3A7 H- -CS/DS
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Black
OUT
Blue
DC(−)
3-Color Display
-
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24 VDC
-
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24 VDC
-
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Max. 28 V,
80 mA
Load
0 V
or
50 ms 50 ms
Large Flow Type
PF3A
Digital Flow Switch
PNP + Analog output selected
PF3A7 H- -ES/FS
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Brown
Black
White
Blue
Max. load current: 80 mA, Internal voltage drop: 2 V or less
ES: Analog output: 1 to 5 V or 0 to 10 V
Output impedance: 1 kΩ
FS: Analog output: 4 to 20 mA
Max. load impedance: 600 Ω
Min. load impedance: 50 Ω
PNP + External input selected
PF3A7 H- -ES/FS
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Brown
Black
White
Blue
Max. load current: 80 mA, Internal voltage drop: 2 V or less
External input: Input voltage 0.4 V or less (Reed or Solid state input) for 30 ms or longer
PF3A7 H- -ES/FS
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Brown
DC(+)
Black
OUT
0 V
50 ms
H(-L)
w
Series
-
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DC(+)
OUT
24 VDC
Analog output
DC(−)
-
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DC(+)
OUT
24 VDC
External input
DC(−)
-
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Load
Max. 80 mA
or
50 ms
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