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58 LF-Series Flowmeters: Sensor/Transmitter Installation
I/O Wiring – DIN CIO Transmitters
Figure 10-6 Frequency output wiring – Terminals 23 & 24 (Channel B) – External power
Figure 10-7 Frequency output wiring – Terminals 31 & 32 (Channel C) – Internal power
–
+
Note: See Figure 10-15 for recommended
resistor versus supply voltage.
000042
Counter
Pull-up resistor
3–30 VDC
+
–
CAUTION
Excessive current will damage the transmitter.
Do not exceed 30 VDC input. Terminal current must be less than 500 mA.
000042
Counter
Output voltage level is +15 VDC ±3%
with high resistance load.
Note: Refer to Figure 10-14 for output
voltage versus load resistance.
+
–