Specifications

 

UDA2182 Universal Dual Analyzer

Control Loop/Outputs

Control Loops: 2 standard (one for each PV); current, pulse frequency, or time proportional

 

Control Loop Types: PID (optional), Duplex (optional), On/Off (standard)

 

Auto-tuning:Accutune II, fuzzy logic overshoot suppression, applicable to both PID loops

Standard Alarm/ Control

Two SPDT (Form “C”) Relays

Relays

Resistive Load Rating: 4A, 120/240 Vac

Optional Additional

Two SPDT (Form “C”) Relays

Alarm/Control Relays

Resistive Load Rating: 4A, 120/240 Vac

Alarm/Control Settings

Alarm/on-off control delay: 0-100 seconds.

 

Alarm/on-off control deadbands: individually set, from 1 count to full scale for pH, ORP, and

 

temperature.

 

On/off cycle period: 0 to 1000 seconds.

 

On/off percent “on” time: 0 to 100%, 1% resolution.

 

Set point and proportional band limit ranges: ±19.99 pH, ±1999 mV, -10 to 130°C, 1 count resolution.

 

DAT cycle period: 1 to 1999 seconds.

 

PFT maximum frequency: 1 to 200 pulses/minute.

 

PFT pulse width: 50 ms, compatible with electronic pulse-type metering pumps.

Remote Preamplifier Input

Optional input card to accept input signal from Honeywell digital preamplifiers:

Option

Meridian II – 31075707 and 31022283

 

Durafet – 31079288 and Cap Adapter cables

pH Temperature

Conventional compensation for changing electrode output (Nernst response), plus selectable solution

Compensation

temperature compensation for high-purity water.

Calculated pH from

User selectable when unit has two Conductivity inputs. Used when ammonia or amine is the water

Differential Conductivity

treatment chemical.

Auto Buffer Recognition

User Selectable

(pH)

Available Buffer Series: NIST/USP, US, and Euro

Conductivity

NaCl, HCl, H2SO4, PO4, NaOH, NH3, C4H9C, Pure Water, Custom (User Selectable)

Compensations

 

Dissolved Oxygen

Max flowrate (probe): 950 ml/min with flow chamber; no dependence on stirring or flowrate

Measurement

Atmospheric pressure: 500-800 mm Hg with internal sensor, for calibration

 

Calibration with either Air or Sample

Auto Clean/ Auto Cal

Real time clock is used to set-up cycles to initiate a cleaning and calibration sequence. Cycle Set-up is

Function

user configurable.

Event History Screen

Event history screen stores 256 events with a description of the event and a Date/time stamp.

Calibration History Screen

Calibration history screen stores information on 128 calibration events with a date/time stamp.

Power Requirements

90 -264 Vac, 47-63 Hz, 15 VA. Memory retained by E2PROM when power is off.

Wireless Interface

Type: Infrared (IR)

 

Length of Link: 0 –1 M, 0 –15° Offset

 

Baud Rate: 9600

 

Data Format: Modbus Protocol

RS422/RS485 Modbus

Baud Rate: 2400, 4800, 9600, 19200, 38400, 57600, or 115200 selectable

RTU Slave

Data Format:: IEEE floating point and 32-bit integer. Word swap configurable.

Communications Interface

Length of Link:

(Optional)

2000 ft (600 m) max. with Belden 9271 Twinax Cable and 120 ohm termination resistors

 

 

4000 ft (1200 m) max. with Belden 8227 Twinax Cable and 100 ohm termination resistors

 

Link Characteristics: Two-wire (half-duplex), multi-drop Modbus RTU protocol, 15 drops maximum or

 

up to 31 drops for shorter link length.

 

Modbus RTU slave: Provides monitoring of inputs outputs, statuses, alarms, and variables. Provides

 

writing of variables for remotely modifying parameter settings.

6

UDA2182 Universal Dual Analyzer Product Manual

January 2009

Page 18
Image 18
Honeywell UDA2182 manual Resistive Load Rating 4A, 120/240 Vac