Control valves

Positioners and controllers

Mounting arrangement

Panel mounted 1/8 DIN

Power supply

85 - 265 Vac, 9 W maximum

Electrical connections

Screw connection terminal block

Panel sealing

IP65 – plug in from front panel, NEMA 4X

Operating temperature / humidity

0 to 55°C, 5 to 85% RH

Atmospheres

Not suitable for use in explosive or corrosive atmospheres

Electromagnetic compatibity (EMC)

EN 61326

Electrical safety BS EN 61010

Installation Category II

Weight

350 g

Approvals

CE

Calibration accuracy

< ±0.25% reading ±1 LSD

Resolution

< 0.5 μV with 1.6 second filter

Input filter

Off to 59.9 seconds

RTD

3 wire Pt100 DIN 43760

Bulb current

0.2 mA

Universal linear mA

4 - 20 mA, 0 - 20 mA, using external shunt resistor 2.49 W

Linear input range

-10 to 80 mV

Thermocouples

K, J, N, R, S, B, L, T, C, custom

Sampling rate

4 Hz (250 ms)

Cold junction accuracy

< ±1°C at 25°C ambient

Accuracy linear mA

< 0.1% reading

Input impedance

100 MW

Number of set points

3 plus remote set point

User calibration

2 point gain and offset

4.4.15

Isolation

300 Vac double isolated

Output voltage

18 V ±15%

Current

30 mA maximum

Load regulation

< 1 V over 25 mA

Proportional band

1 - 9999 Engineering units or 0.01 to 300 %age or 0.1 - 3000

Integral time

Off - 9999

Derivative time

Off - 9999

Error band

One shot tune, or natural frequency tune. The controller will automatically select the best

method according to the process conditions.

Auto tuning

Hysteresis from 0.01 to 300.0 or 0.1 to 3000 Engineering units

On-Off control

1 - 9999 Engineering units or 0.01 to 300 %age or 0.1 - 3000

Cut back

To minimise overshoot on critical processes.

Auto / manual modes

Selectable from keyboard.

Split range

2 parameters that give: The full opened valve 1 and The start-up valve 2

Isolation

300 Vac double insulated

Contact closure

Open > 1200R, Closed < 300R

Isolation

300 Vac double isolation

Hardware

EIA 485 5 wire (EIA 422 compatible)

Protocol

Modbus RTU slave

Technical data

General details

Process variable inputs

Transmitter power supply

Control action

Relays

Logic inputs (x3)

Comms

TI-P323-30 CH Issue 3

SX90 Process Controller

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