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401-900 Series Universal Process Meter

Overview

Display Flow Rate， Total or Grand Total

The main display can be programmed to display flow rate， total， or grand total， and the secondary display can be programmed to display flow rate， total， grand total，engineering units， custom legends， or can be turned off. Both displays could also display relay set points， or max and min values.

Analog Inputs
• 0-20mA， 4-20mA， 0-5 V， 1-5 V， and ±10 V Inputs
• Isolated 24 VDC @ 200mA Transmitter Power Supply
• Open Channel Flow with Programmable Exponent
• Square Root Extraction
• 32-Point Linearization

Meter Features
• NEMA 4X， IP65 Front
• Universal 85-265 VAC or 12/24 VDC Input Power
• Large Dual-Line 6-Digit Display， 0.60" & 0.46"
• Programmable Displays & Function Keys
• Sunlight Readable Displayqa
• 2 or 4 aARelays+Isolated 4-20mA Output Options
• External 4-Relay & Digital I/O Expansion Modules
• RS-232， RS-422/485 Serial Communication Options
• -40 to 65°C Operating Temperature Range

General

Display： Main display： 0.60" (15mm) high， second display： 0.46" (12mm) high. Both displays are 6 digits (-99999 to 999999)， red LEDs with leading zero blanking.

Display Intensity： Eight user selectable intensity levels

Overrange： Display flashes 999999

Underrange： Display flashes -99999

Front Panel： NEMA 4X， IP65

Programming Methods： Four front panel buttons， digital inputs， PC and multi-point linearization utility， or cloning using Copy function.

Recalibration： All ranges are calibrated at the factory. Recalibration is recommended at least every 12 months.

Max/Min Display： Max (Peak) / min (Valley) readings reached by the process are stored until reset by the user or until power to the meter is turned off.

Password： Three programmable passwords restrict modification of programmed settings and two prevent resetting the totals.

Pass 1： Allows use of the F1–F3 function keys.

Pass 2： Allows use of the F1–F3 function keys and changing the set/reset points.

Pass 3： Restricts all programming and F1–F3 keys. Total： Prevents resetting the total manually. Gtotal： Prevents resetting the grand total manually.

Non-Volatile Memory： All programmed settings are stored in nonvolatile memory for a minimum of ten years if power is lost.

Power Options： 85-265 VAC 50/60Hz， 90-265 VDC20W max， or jumper selectable 12/24 VDC ±10%， 15 W max.

Fuse： Required external fuse： UL Recognized， 5 A max， slow blow; up to 6 meters may share one 5 A fuse.

Isolated Transmitter Power Supply： Terminals P+ & P-： 24 VDC ± 10% @ 200mA max (standard)， (12/24 VDC powered models rated @ 100mA max). 5 or 10 VDC @ 50mA max， selectable with internal jumper J4.

Isolation： 4 kV input/output-to-power line. 500 V input-to-output or output-to-P+ supply.

Environmental： Operating temperature range： -40 to 65°C. Storage temperature range： -40 to 85°C. Relative humidity： 0 to 90% non-condensing.

Connections： Removable screw terminal blocks accept 12 to 22 AWG wire， RJ45 for external relays， digital I/O， and serial communication adapters.

Enclosure： 1/8 DIN， high impact plastic， UL 94V-0， color： black

Mounting： 1/8 DIN panel cutout required： 3.622"x1.772" (92mmx45mm). Two panel mounting bracket assemblies are provided.

Tightening Torque： Screw terminal connectors： 5 lb-in (0.56 Nm)

Overall Dimensions： 4.68"x2.45"x5.64" (119mmx62mmx143mm) (WxHxD)

Weight： 9.5 oz (269 g)

UL File Number： UL & c-UL Listed. E160849; 508 Industrial Control Equipment.

Analog Inputs

Inputs： Field selectable： 0-20， 4-20mA， ±10 VDC (0-5， 1-5， 0-10 V)Accuracy： ±0.03% of calibrated span ±1 count， square root & programmable exponent accuracy range： 10-100% of calibrated span

Display update Rate： 5/second (200 ms)

Temperature Drift： 0.005% of calibrated span/°C max from 0 to 65°C ambient， 0.01% of calibrated span/°C max from -40 to 0°C ambient

Math Function： Linear， square root， programmable exponent， or round horizontal tank volume calculation.

Multi-Point Linearization： 2 to 32 points

Programmable Exponent： 1.0001 to 2.9999

Low-Flow Cutoff： 0-999999 (0 disables cutoff function)

Decimal Point： Up to five decimal places or none： d.ddddd， dd.dddd， ddd.ddd， dddd.dd， ddddd.d， or dddddd.

Calibration Range： Input range： 4-20mA， ±10 V. Minimum span： 0.15mA or 0.10 V. An Error message will appear if input 1 and input 2 signals are too close together.

Input Impedance： Voltage ranges： greater than 1 M Ohms Current ranges： 50 - 100 Ohms (depending on resettable fuse impedance).

Input Overload： Current input protected by resettable fuse， 30 VDC max. Fuse resets automatically after fault is removed.

Noise Filter： Programmable from 2 to 199 (0 will disable filter)

Filter Bypass： Programmable from 0.1 to 99.9% of calibrated span

Normal Mode Rejection： Greater than 60 dB at 50/60Hz

Isolated 4-20mA Transmitter Output

Output Source： Rate， total， grand total， max， min， set points 1-8， or manual control modeScaling Range： 1.000 to 23.000mA for any display range

Calibration： Factory calibrated： 4.000 to 20.000=4-20mA output

Analog Output Programming： 23.000mA maximum for all parameters： Overrange， underrange， max， min， and break

Accuracy： ± 0.1% FS ± 0.004mA Note： Although the specification above states very high accuracy， it is based in percent. Therefore， the variance when dealing with very large retransmitted numbers such as those that may be associated with the "Total" variable (up to 9 digits with overflow) will grow proportionay.

Temperature Drift： 0.005% of calibrated span/°C max from 0 to 65°C ambient， 0.01% of calibrated span/°C max from -40 to 0°C ambient Note： Analog output drift is separate from input drift.

Isolated Transmitter Power Supply： Terminals I+ & R： 24 VDC ± 10% @ 40mA maximum， may be used to power the 4-20mA output or other devices. Present on both AC & DC powered units.

External Loop Power Supply： 35 VDC maximum

Output Loop Resistance：
Power supply           Minimum         Maximum

24 VDC                     10 Ohms        700 Ohms

35 VDC (external)     100 Ohms      1200 Ohms

Relays

Rating： 2 or 4 SPDT (Form C) internal and/or 4 SPST (Form A) external; rated 3 A @ 30 VDC and 125/250 VAC resistive load; 1/14 HP @ 125/250 VAC for inductive loadsNoise Suppression： Noise suppression is recommended for each relay contact switching inductive loads.

Deadband： 0-100% of span， user programmable

Relay Assignment： Relays may be assigned to rate， total， or grand total.

High or Low Alarm： User may program any alarm for high or low trip point. Unused alarm LEDs and relays may be disabled (turned off).

Relay Operation： automatic (non-latching)， latching (requires manual acknowledge)， sampling (based on time)， off (disable unused relays)， and manual control mode.

Relay Reset： User selectable via front panel buttons， digital inputs， or PC

1. Automatic reset only (non-latching)， when input passes the reset point or total is reset to zero.

2. Automatic+manual reset at any time (non-latching).

3. Manual reset only， at any time (latching).

4. Manual reset only after alarm condition has cleared (latching).

Note： Front panel button or digital input may be assigned to acknowledge relays programmed for manual reset.Time Delay： 0 to 999.9 seconds， on & off relay time delays.Programmable and independent for each relay.

Fail-Safe Operation： Programmable and independent for each relay. Note： Relay coil is energized in non-alarm condition. In case of power failure， relay will go to alarm state.

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