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SELECTION GUIDE: Analogue to frequency converters

Typical analogue to frequency converter applications

  • Providing analogue inputs for PLC digital inputs.
  • Integration (totalisation) of a quantity from an analogue flow signal, e.g. liquids, heat, electrical, etc.
  • Providing a signal for proportional sampling.

  • Used in conjunction with a 107-7B Square Root Extractor and a counter, recording total volume through a pipeline where the flowrate is measured with a differential pressure transmitter.

PLEASE NOTE other inputs within the following ranges can be provided.
Current from 0-1mA to 0-30mA, Voltage from 0-1V to 0-250V.

CURRENT LOOP INTEGRITY FEATURE:
current input loop inputs are maintained when the module is unplugged
- - - - - - - - - - - - - - - - - - - - - - - - - - - - -

TYPE

INPUT

OUTPUT

MAIN FEATURES

FIELD
RE-RANGE

POWER

MOUNTING
107-5A
 Current
0-10mA
0-20mA
4-20mA

Voltage
0-5 V
1-5 V		 Optically isolated open collector transistor
~
24V E.M. counter output
~
Other pulse output voltages (e.g. 5V, TTL, etc.) available to order		 Current input loop integrity* No AC 110,200,220,240
~
12, 24, 48VDC		 Wall or DIN rail
112-5A
 Current
0-10mA
0-20mA
4-20mA

Voltage
0-5 V
1-5 Vspacer for signal converter comparison table		 As above plus -
~
Relay C/O contact
spacer for signal converter comparison table		 Built-in EM counter option
~
Can also drive a second external counter
~
Current input loop integrity*spacer for signal converter comparison table		 Nospacer for isolator comparison table AC 110,200,220,240
~
12, 24, 48VDCspacer for signal converter comparison table		 Wall or DIN rail
spacer for signal converter comparison table

*Current input loop maintained when module unplugged

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