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Flow Processor: Programmable Remote Terminal Unit

»Features

»Specifications

»Installation

»Model Codes

»Documentation

»Technology

EMCO's FP unit is a microprocessor-based instrument for monitoring a variety of flows in an industrial environment. This programmable flow processor and remote terminal unit accurately calculates volume; mass and heat flow rates for steam, liquids, and gases and displays these variables in user-selectable, engineering units. Pressure and/or temperature compensation and an 8-point flow calibration curve may be used to enhance performance. Diagnostic routines constantly monitor the FP unit's performance, and the detection of a fault is automatically displayed.

Features

Single-board design for high reliability and low cost
Displayed values with description and user-selectable engineering units
Non-volatile memory for programmed data
Isolated outputs for digital and analog control
16-bit resolution A/D converter for superb analog accuracy
Battery-backed memory for statistical values and totalizers
Self diagnostics and operational alarm monitoring
Panel-mount unit or optional NEMA 4 enclosure
Backlit display for viewing in all lighting conditions

Operating Specifications
Fluid Types	Steam condensate, water, water energy, liquid, air, natural gas, ideal gas, steam
Storage Temperature	-40 to 140°F (-40 to 60°C)
Operating Temperature	32 to 122°F (0 to 50°C)
Relative Humidity	0 to 95% (non-condensing)
Power Requirements	FP power supply		24 VDC ±5% at 150 mA for powering external transmitters
	Standard		10.5 to 36 VDC, 100 mA max
	Option 1		115 VAC ±15% @50/60 Hz
	Option 2		230 VAC ±15% @50/60 Hz
	VAC power size		2 x 3 x 1.75" with 6' cord (5.08 x 7.62 x 4.45 cm with 1.8 m cord)
	VAC power weight		1.25 lb (0.57 kg)
Input Signals	One Frequency	Range	0 to 10 kHz
		Accuracy	±(0.01% of reading +1 count)
		Impedance	50 kΩ min
		Transition Level	+3 V nominal
		Hysteresis	0.25 V
		Signal amplitude	4 to 36 VDC
	One direction	Impedance	50 kΩ min
		Transition Level	+3 V nominal
		Hysteresis	0.25 V
		Signal amplitude	4 to 36 VDC
	One 4-Wire RTD resistance	Range	10 to 4000 Ω
		Resolution	The greater of 0.05% of reading or 0.1 Ω
		Accuracy	10 to 1000 Ω ±0.15%
			100 to 2000 Ω ±0.15% of reading
			100 to 4000 Ω ±0.2% of reading
	Two analog (4 to 20 mA) current	Resolution	0.4 µA
		Accuracy	±0.15% of full scale (±30 µA)
		Impedance	100 Ω
		Alarm limits	Over-range 21.6 mA
			Under-range 2.4 mA
Output Signals	One isolated 4 to 20 mA current	Voltage range	15 to 40 VDC
		Resolution	6 µA
		Accuracy	±0.25% of full scale (±50 µA)
	One isolated solid state relay	1 A max up to 60 VDC
Communications	Compatibility		EIA RS-232C
	Multi-drop capability		Up to 10 units on a single RS-232C port (RS-423 compatible)
	Programmable baud rate		300, 600, 1200, 2400, 4800, 9600, 19200, or 38400 Baud
	Data bits		7 or 8
	Parity		Even, odd, or none
	Stop bits		1 or 2
	Connector		Chassis-mount 9-Pin sub-D

For installation information, contact your local EMCO representative or the factory.

Model Codes
Category	Description	Suffix Codes
Model	Microprocessor-based flow processor	FP-93	-	-	-	-	-
Enclosure	Panel-mount unit	-	P	-	-	-	-
Enclosure	NEMA 4 enclosure	-	N	-	-	-	-
Power Supply	10.5 to 36 VDC	-	-	0	-	-	-
	115 VAC, 50/60 Hz (see note 1)	-	-	1	-	-	-
	230 VAC, 50/60 Hz (see note 1)	-	-	2	-	-	-
Relay Output	DC option	-	-	-	D	-	-
Display	Standard display	-	-	-	-	S	-
Display	Display with backlighting	-	-	-	-	D	-
Flow Input	Frequency	-	-	-	-	-	F
Flow Input	Analog 4 to 20 mA	-	-	-	-	-	A

1. Not available with European CE Mark


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	EMCO Flow Systems is a division of Spirax Sarco, Inc. Copyright 2008. All rights reserved.