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Chapter 3
Configurable Flowmeter Module Features and Operational Modes
Choosing an
Operational Mode
30
Gate Inputs
The module offers two gate inputs (Z0 & Z1). You can wire the inputs for
single-ended or differential applications and can accept signals at 5V DC or 12-
24V DC.
The Z0 and Z1 inputs can have different voltages connected to them
IMPORTANT
simultaneously.
User-Defined Preset and Rollover Values
The module has a maximum count of 2,147,483,647, but you can define the
rollover values below this limit.
Current-Sourcing Outputs
Two current-sourcing outputs are available on the module. Each output:
•
can be tied to any Flowmeter input.
•
operates in the 10-31.2V DC range (1A maximum per output).
•
operates at 5V DC level (3-20mA maximum per output).
The module counts pulses from Flowmeters and operates in these modes:
•
High Resolution Frequency mode
•
Totalizer mode
You must choose an operational mode for your 1756-CFM module in the
programming software.
Rockwell Automation Publication 1756-UM010C-EN-P - June 2021
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