Brodie BERT-E - Page 13

Flowmeter
(Magnetic Pickup Coil)
COM RST
P+
S+ S-
INPUT LEVEL
mV V ISO
Figure 4. Self-Powered Magnetic Pickup Coil Flowmeter (Coil)
+3.0 V
100 kOhm
Internal Pullup
NPN
SENSOR
COM RST
P+
S+ S-
INPUT LEVEL
mV V ISO
Figure 5. NPN Open Collector Input (NPN)
100 kOhm
Internal Pull-Down
PNP
SENSOR
Power
Supply
COM RST
P+
S+ S-
INPUT LEVEL
mV V ISO
Figure 6. PNP Sensor with External Power (PNP)
+3.0 V
100 kOhm
Internal Pullup
SWITCH
CONTACT
COM RST
P+
S+ S-
INPUT LEVEL
mV V ISO
Figure 7. Switch Contact Input (Reed)
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