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LF546 Converter Specifications
Input
Input signal: Flow rate proportional signal from the detector
Digital input signal
Signal type: 20 to 30Vdc voltage signal
Input resistance: About 2.7k
Number of input points: 1
Digital input function: Select either of the following.
Range switching input: Large/Small range switching of unidirectional double range,
forward/reverse direction double range
Counter control input: Internal totalization counter start/stop/reset control
Output hold input: The current output and pulse output are kept to their preset
values.
Zero adjustment input: Start still water zero adjustment.
Output
Current output: 4 to 20mAdc (load resistance 750 or less)
Digital output 1: Output type: Transistor open collector
Capacity: 30Vdc, Max 200mA
Number of output points: 1
Digital output 2:
Output type: Semiconductor contact signal
output
(no polarity)
Capacity: 150Vdc, Max. 150mA
150Vac (peak value), Max.
100mA
Number of output points : 1