Product category:
Electrical systems
News Release from: Amalgamated Instrument Co | Subject: DIN mount Quadrature input Ratemeter/Totaliser
Edited by the Manufacturingtalk Editorial
Team on 16 January 2001
Compact device takes inputs from
encoders
Amalgamated Instrument Co has added a DIN rail mount ratemeter/totaliser accepting input from quadrature encoders to their extensive range of DIN rail mount monitor/controllers.
Amalgamated Instrument Co has added a DIN rail mount ratemeter/totaliser accepting input from quadrature encoders to their extensive range of DIN rail mount monitor/controllers The RM4-QC offers exceptional features in a package only 44mm wide
This article was originally published on Manufacturingtalk on 16 Jan 2001 at 8.00am (UK)
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It has a 5 digit 7.6mm LED display and allows for calibration, programming and setup through the 4 pushbuttons located on the front panel.
The quadrature input to the RM4-QC allows rate direction indication - negative or positive rate for clockwise/anticlockwise and addition/subtraction from the total depending on the direction.
Applications can include, for example, flow rate and total in litres/hr (+ total litres), RPM (+ total revs) or bottles/min (+ total bottles).
Versatile separate rate and total scaling allows different display combinations from the same input.
For example the rate could be displayed in mm/second and the total in metres.
Two setpoint relays are supplied as standard with the RM4-QC.
The standard relays can be configured independently to operate on the rate or the total.
In addition to the normal total alarm operation, a special "pass" mode allows the relays to be configured to activate for a programmable time on multiples of a total.
An example of this feature would be to program a relay to close for 0.5 seconds every time the total reaches a multiple of 1000.
The relay closure could be used to drive another counting display.
There is a wealth of output options available including extra setpoint relays, single and dual analog retransmission, serial retransmission (RS232, RS485 or RS422) and an isolated transmitter supply.The dual analog retransmission feature is a particularly flexible and powerful output option.
With this option the user can, for example, use one output for retransmission of the rate and the other output to transmit the total.
As the analog retransmission outputs are totally isolated from one another, they can be used as inputs to totally separate systems.
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