2 Premier products, premier performance The Liquid Controls Pulse Output Device (POD) converts the rotary motion of the Liquid Controls Positive Displacement Flowmeter into electronic pulses. This allows the meter to interface with a wide variety of electronic monitoring devices and control equipment. The POD mounts directly to the front cover of any Liquid Controls meter in place of the packing gland. The motion of the meter’s blocking rotor is magnetically coupled through a stainless steel wall to the electronics compartment of the POD. This eliminates the dynamic seal of the packing gland and isolates the electronics from the process fluid in the meter. POD Features • Glandless Drive - No dynamic seals to fail or leak. - Meets current environmental standards. • Pulse Output - The unscaled output easily adapts to remote totalizers, batch controllers, computers, PLC’s and other pulse receiving devices. - No amplifier or signal conditioner is required. • All wetted parts are 316 Stainless Steel or equivalent. • Meets Weights & Measures requirements - Housing cover has a ready made location for lead wire seal. • Pressure rating: - Process wetted portion carries 350 PSI (24 BAR, 2,413 kPa) working pressure rating. Burst pressure exceeds 1,750 PSI (121 BAR, 12,066 kPa). • Housing: - Weatherproof NEMA 4X Explosion-proof rating: UL listed to US and Canadian Safety Standard Class I, Div. 1 & 2, Groups C & D Flameproof rating: II 2 G EEx d II B T6, LCIE04ATEX6033 • Connections: - ½ in. NPT conduit port with a removable screw terminal block for all connections. Technical Specifications • Voltage: (V+): +8 to +24 VDC ( POD5 is +5 VDC) ±5%. • Current supply: 26 mA typical. • Output Signal Resolution: 100 pulses per encoder revolution, unscaled. For actual meter resolution, see the table on the page 3. • Square Wave: Single or dual quadrature channel output. • Pulse Timing: Nominal 50% on and 50% off. • Rise/Fall Time of Pulse: <5 μs. • Operating Temperature Range: -40ºF to +185ºF (-40ºC to +85ºC). • Humidity Range: 0-100 %, noncondensing. • Output: Current sinking 100 mA maximum in “ON” state; V+ supply @ 1.0 KΩin “OFF” state. Optional Open Drain FET (Field Effect Transistor). FET rating (drain to source voltage) +30 VDC maximum. • Shock: 50 G’s for 10 ms. • Vibration: 1 G at 10-150 Hz. • Electromagnetic Compatibility (EMI, RFI, etc.): to IEC 801 Standard. • Pulse Transmission Distance: Up to 5,000 feet (1,524 meters). • Operates in bidirectional flow applications.
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