(If portable flow meter needs this functionality, please make a statement when placing orders)
Please refer to 4.3.14 Dual Relay Configuration to see Menu Configuration.
The relay operations are user configured via the front panel to act in flow rate alarm or error alarm, power supply interruption alarm and totalizer pulse. The relays are rated for 350VDC load voltage and have a load current of 0.12A.
Fig 2.4A shows a wiring diagram for totalizer pulse output connection, the wiring terminal is “PULSE -, +” in main board shown as Fig 2.3.
Fig 2.4B shows a wiring diagram for flow rate alarm, error alarm and transmitter power supply interruption alarm output connections, the wiring terminal is “RELAY -, +” in main board shown as Fig 2.3.
Note: Once the transmitter is powered on, the “RELAY -, +” output is normally closed state. The transmitter power supply interruption alarm output is automatically output alarm, if the transmitter is powered off, the “RELAY -, +” will automatically change normally closed state into normally open state.
Post time: Oct-08-2022