The PD656 is a Large Display Process Meters with flow rate, totalizer batch control and pump (with alternation) control capabilities. It accepts the common process signals such as 4-20 mA, 0-5 VDC, 1-5 VDC and 0-10 VDC and displays these signals in engineering units on a 0.8" high 4-1/2 digit red LED display.
The PD656 Large Display Process Meters can also provide two isolated 24V power supplies to drive both the input and output loops. Options include up to 4 relays for alarms, pump control or batch control, as well as an isolated 4-20 mA transmitter output.
The PD656 Large Display Process Meters are housed in an explosion-proof sand-cast aluminum enclosure. An optional magnetic key is available to operate and program the meter without having to remove the enclosure cover.
The PD656 Large Display Process Meters can be modified to provide up to 100 mA to drive mass flowmeters, ultrasonic level transmitters and other devices that require more than 20 mA to drive them.
- 0.8" LED display
- Rugged cast aluminum explosion-proof enclosure
- Program and operate without removing cover
- Two 24 VDC isolated transmitter power supplies
- 115 or 230 VAC field selectable power; 24 VDC power available
- Rate display in second, minute, hour and day
- Programmable set points for latching and non-latching relay operation
- Built-in snubbers on each relay contact
- Any set point programmable for process/rate or total
- Programmable Root Function for Weirs and Flumes
- Pump Alternation Function
- 100 mA Transmitter Power Supply Option
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