Field Expansion Modules Add functionality to the ProVu in the field with easy-to-install external expansion modules. Add RS-232 or RS-422/485 communications, I/O modules (up to 2), or 4-relay expansion module. The menu items for these modules do not appear until the module is connected, simplifying the basic menu. Relay and digital I/O modules are shown below with optional DIN rail mounting kit, P/N PDA1002.

I/O Expansion Module Four digital inputs and four digital outputs are available per expansion module. The ProVu meter will accept two of these modules. External digital inputs can function similarly to the front panel function keys. They can be configured to trigger certain events (i.e. acknowledge/reset alarms, reset max and/or min values, disable/enable all output relays, and hold current relay states), provide direct menu access point, or mimic front panel keys. Digital outputs can be used to remotely monitor ProVu's alarm relay output states, or the states of a variety of actions and functions executed by the meter.

Relay Expansion Module An external module containing four 3 amp Form A (SPST) relays can be added to the ProVu at anytime. Removable screw terminal blocks accept 12 to 22 AWG wire.

Communications Module Serial communications on the ProVu can be added anytime with external RS-232 or RS-422/485 communication adapters.

Multi-Pump Alternations
For pump control applications where 2 or more similar pumps are used to control the level of a tank or a well, it is desirable to have the pumps operate alternately; this prevents excessive wear and overheating of one pump over the lack of use of the others. The ProVu can accommodate up to 8 pumps.

Math Functions
Non-linear input signals can be linearized with the ProVu's simple to use built-in math functions, such as: squareroot extractor, weirs & flumes exponential linearizer, horizontal round tank linearizer, or the ProVu's powerful general purpose 32-point linearizer.

Meter Copy
The Copy feature is used to copy (or clone) all the settings from one ProVu to other ProVu meters in about 20 seconds! The Copy function is a standard feature on all meters. It does not require a communications adapter, only an optional cable assembly, P/N PDA1200. See the ordering information for complete details.

OUTPUTS Relay Outputs The ProVu has up to four 3 A Form C relays (SPDT), giving you more fail-safe options upon power loss. Relay action can also be configured for input loop break protection. Set ON and OFF delay times when needed. Up to eight front panel indicators show alarm and/or relay state. Can be configured for 0-100% deadband.

Relay Operation/Configuration There are powerful relay functions that can be configured in the ProVu meter, including: Automatic reset only (non-latching) Automatic + manual reset at any time (non-latching) Latching (manual reset only) Latching with Clear (manual reset only after alarm condition has cleared) Pump alternation control (automatic reset only) Sampling (activated for a user-specified time) User selectable fail-safe operation Relay action for loss(break) of 4-20 mA input signal Time delay (on and off), independent for each relay Manual control mode

Analog Output The isolated analog retransmission signal can be configured to represent the process variable (PV), maximum (peak) value, minimum (valley) value, or the value for any of the eight relay set points. While the output is nominally 4-20 mA, the signal will accurately accommodate under- and over-ranges from 1 to 23 mA.

Auto/Manual Control Take control of any output with this feature. All relays can be forced ON or OFF, and the 4-20 mA output signal can be set to any value within its range.

Isolated Transmitter Power Supplies A powerful 24 V @ 200 mA power supply is a standard feature on the ProVu meter. It can be configured for 5, 10, or 24 V (default) by means of a simple internal jumper (see manual). An additional power supply (24 V @ 40 mA) is standard with the 4-20 mA output option.

Specifications
Except where noted all specifications apply to operation at +25°C

General
Display: Main display: 0.60" (15 mm) high, second display: 0.46" (12 mm) high. Both displays are 6 digits (-99999 to 999999), red LEDs with leading zero blanking.
Display Intensity: Eight intensity levels
Display Update Rate: 5/second (200 ms)
Overrange: Display flashes 999999
Underrange: Display flashes -99999
Front Panel: NEMA 4X, IP65
Programming Methods: Four front panel buttons, PC based linearization utility, cloning using Copy function, or via digital inputs
Noise filter: Programmable from 2 to 199 (0 will disable filter)
Filter Bypass: Programmable from 0.1 to 99.9% of calibrated span
Recalibration: 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. 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
Note: Digital inputs are not password protected
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 50/60 Hz, 90-265 VDC 20 W max or jumper selectable 12/24 VDC ±10%, 15W 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: 5, 10, or 24 VDC selectable by internal jumper. 24 VDC ± 5% supply rated @ 200 mA max (100 mA max for 12/24 VDC powered models). The 5 or 10 VDC supplies rated @ 50 mA max
Normal Mode Rejection: Greater than 60 dB at 50/60 Hz
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" x 1.772" (92 mm x 45 mm). Two panel mounting bracket assemblies are provided
Tightening Torque: Screw terminal connectors: 5 lb-in (0.56 Nm)
Overall Dimensions: 4.68" x 2.45" x 5.64" (119 mm x 62 mm x 143 mm) (W x H x D)
Weight: 9.5 oz (269 g)
UL File Number: UL & c-UL Listed. E160849; 508 Industrial Control Equipment
Warranty: 3 years parts & labor

Process Input
Inputs: Field selectable: 0-20, 4-20 mA, ±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
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)
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
Decimal Point:Up to five decimal places or none: d.ddddd, dd.dddd, ddd.ddd, dddd.dd, ddddd.d, or dddddd
Calibration Range: Minimum span: 0.15 mA 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 MÙ. Currentranges: 50 - 100 Ù (depending on resettable fuse impedance)
Input Overload: Current input protected by resettable fuse, 30 VDC max. Fuse resets automatically after fault is removed

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 loads
Noise Suppression: Noise suppression is recommended for each relay contact switching inductive loads Deadband: 0-100% of span, user programmable
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), and pump alternation control (2 to 8 relays)
Relay Reset: User selectable via front panel buttons or digital inputs
  1. Automatic reset only (non-latching), when input passes the reset point
  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
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
Auto Initialization: When power is applied to the meter, relays will reflect the state of the input to the meter

Isolated 4-20 mA Transmitter Output
Output Source: Process variable (PV), max, min, or set points 1-8
Scaling Range: 1.000 to 23.000 mA for any display range
Calibration: Factory calibrated: 4.000 to 20.000=4-20 mA output
Accuracy: ± 0.1% FS ± 0.004 mA
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 ± 5% @ 40 mA maximum, may be used to power the 4-20 mA output or other devices. Present on both AC & DC powered units.
External Loop Power Supply: 35 VDC maximum
Output Loop Resistance:

Serial Communications
Meter Address: 1 - 247
Baud Rate: 300 - 19,200 bps
Transmit Time Delay: Programmable between 0 and 199 ms or transmitter always on for RS-422 communication
Data: 8 bit (1 start bit, 1 stop bit)
Parity: None
Turn Around Delay: Less than 2 ms (fixed)

Digital I/O Expansion Module
Channels: 4 digital inputs & 4 digital outputs per module
System: Up to 2 modules for a total of 8 inputs & 8 outputs
Digital Input Logic: High: 3 to 5 VDC Low: 0 to 1.25 VDC
Digital Output Logic: High: 4.75 to 5 VDC Low: 0 to 0.4 VDC
Source Current: 10 mA maximum
Sink Current: 1.5 mA minimum
+5 V Terminal: To be used as pull-up for digital inputs only

4-Relay Expansion Module
Relays: (4) Form A (SPST) rated 3 A @ 30 VDC and 125/250 VAC resistive load; 1/4 HP @ 125/250 VAC for inductive loads