PRESSURE CONTROLLER

TECHNICAL SPECIFICATIONS

Input

2 NO x Pressure & Vacuum in Kg/cm2, mBAR, BAR / Kg, mm Hg, mmH2O, PSI ; as per customer requirement

Range

As per the Range selected by User

Resolution

0.001, 0.01, 0.1, 1; Programmable by User

Accuracy

± 0.25% of Full Scale

Display

Upper (CH - 1) : 4 Digit, 0.56" (13 mm), 7 segment GREEN L.E.D. display
Lower (CH - 2) : 4 Digit, 0.56" (13 mm), 7 segment GREEN L.E.D. display

L.E.D. Indication

L.E.D. Indication TD1 & TD2 for Time Delay, RL1 & RL2 for Relay, TX & RX for Communication, PRG to show 'User' in programming Mode

Set point

2 No Independent set points, one each for RL1 & RL2 with programmable Latch & Non-Latch facility

Hysteresis

0 To 10, Individual setting for RL1 & RL2

Control action

LO - HI, HI -LO, LO -Very LO, HI - Very HI; Programmable by user

Time delay

0 To 9999Sec, Independent setting for RL1 & RL2 to operate after the 'Process Value' crosses the 'Set point Value'

Relay contact type

1 NO/C/NC Relay contact rated 230 VAC / 5A For RL1 & RL2

Configuration of relay

RL1 operates for CH-1, RL-2 operates for CH-2

Fault condition

In 'Under', 'Over' OR 'Open' condition i.e. fault condition, Relay can be made OFF or ON; Programmable by user

Setting

Setting by 4 keys on front panel i.e. 'SET / NEXT', 'UP', 'DOWN' & 'BACK'

Monitoring

1)By Display : Sensor 'Break/Open' shows 'oPEn', 'Under' range shows 'Undr' & 'Over' range shows 'ouEr'
2) By Retransmission current output : Upscale current : 21 mA, Down scale current : 3 mA; Programmable by user

Retransmission output

i) No of Current outputs : 2 No, 4 - 20 mA or 20 - 4 mA programmable with MAX load 750 ohms for CH-1 & CH-2
ii) Range: - 999 to 9999, Low range / High range: Anywhere in the range (High range > Low range)

Communication

Modbus RTU protocol with Isolated RS – 485 Communication

Supply Voltage

230 VAC ± 10% OR 110 VAC ± 10% OR 24 VDC

Operating Temperature

- 40 To 85^oC

Relative humidity

Below 95% non condensing

Enclosure Detail

PANEL MOUNTING(PM)

WEATHERPROOF (WP)

FLAMEPROOF (FLP)

Protection Class

IP - 40

IP-65

IP – 65 CMRI Approved for Gas Gr. IIA & IIB

Cabinet Material

ABS Plastic, Black / White Colour

Polycarbonate, Grey colour

Cast Al. alloy, LM-6 / C.I. Enclosure

Cable Entry

Terminal connectorfor connection

Thermoplastic cable gland (IP - 68)

Double compression cable gland (Ex-Proof)¾" ET-type

Dimension

96 (H) X 96 (W) X 120 (D) in mm

255 (H) X 240 (W) X 120 (D) in mm

300 (H) X 250 (W) X 110 (D)

Mounting

Panel mounting

Wall Mounting / Stand Mounting

Wall Mounting / Stand Mounting

Weight

Approx. 1.0 Kg

Approx. 2.5 Kg

Approx. 4.0 Kg