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process control instrument:Automatic Cold Junction Compensation For Thermocouple.Auto Wire Length Compensation For 3Wire RTDProcess Control Instrument
FEATURES:
Based On State Of Art Latest Micro controller Technology With Control action Modes 'ON / .OFF' or 'PID'.
Easy Programming With Password Protection.
Software Calibration with Front Panel Push Buttons.
Dual L.E.D Display :1)Upper for 'Process Value' Display 2)Lower for 'Set Point Value' Display.
Input RTD (PT-100), J & K Type, 4-20 mA; factory settable.
Automatic Wire Length Compensation For 3 Wire RTD (PT-100).
Automatic Cold Junction Compensation For Thermocouple.
One Set Point With Controller Relay Output & Hysteresis Programmable by user.
Set Point 2 For Relay 2 or 4-20 mA O/P; Programmable by user.
Adjustable Time Delay For Operation Of The Relays.
Modbus RTU Protocol with Isolated RS-485 Communication.
APPLICATIONS:
- Oven Control.
- Food Processing.
- Cold Storage & Chilling Plant.
- Constant Temperature Bath & Environmental Chamber.
- Plastic / Packaging / Rubber & Metal Industry.
- Engineering Industry like tiles, Machine Tools, Automobile parts, stone cutting tools manufacturing.
- Petroleum Industry for Viscosity measurement bath control
TECHNICAL SPECIFICATIONS: | ||||||
Input | 4 - 20mA Input | RTD (PT - 100) | K - Type | J - Type | ||
Range | -999 To 9999 | -50 To 400°C | 0 To 1200°C | 0 To 750°C | ||
Resolution | 0.001, 0.01, 0.1, 1 | 0.1°C | 0.1°C | 0.1°C | ||
Accuracy | ±0.25 % of Full Scale | ±0.25 % of Full Scale | ±0.25 % of Full Scale | ±0.25 % of Full Scale | ||
Compensation | Automatic wire length compensation for Long wire RTD (PT - 100) sensor Automatic Cold Junction Compensation for Thermocouple (J or K type) | |||||
Display | Upper : 4 digit, 0.56" (13 mm), 7 - Segment RED L.E.D display for 'Process Value' indication Lower : 4 digit, 0.56" (13 mm), 7 - Segment RED L.E.D display for 'Set Point Value' indication of RL1 | |||||
L.E.D. Indication | RL1 & RL2 for Relays, TX & RX for communication PRG to show 'User' in Programming mode & O/P to show 4 - 20 mA O/P is selected instead of the Relay 2 | |||||
Set point | Independent set points setting for RL1 & RL2 | |||||
Hysteresis | 1 To 100 counts, Independent setting for RL1 & RL2 | |||||
Control action | LO -HI, HI-LO, LO- Very LO, HI - Very HI control action for relay; programmable by user | |||||
Time delay | 0 To 9999 sec, Common 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 Set point 1, RL2 operates for Set point 2 ( RL2 is optional) | |||||
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 : Sensor Open / Under / Over | i) By Display : Sensor 'Break/ Open' shows 'oPEn', 'Under' range shows 'Undr' & 'Over' range shows 'ouEr' ii) By Retransmission current O/P : Upscale current : 21 mA, Down scale current : 3 mA; programmable by user | |||||
Retransmission output (Optional) | i) 1 No. 4 - 20 mA output with MAX Load 750 ohms ii) Range: As per the Input type, 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 Temp. | - 40 To 85°C | |||||
Relative Humidity | Below 95% non condensing | |||||
Enclosure Detail | PANEL MOUNTING (PM) | WEATHERPROOF (WP) | FLAMEPROOF (FLP) | |||
Protection Class | IP - 40 | IP- 65 | IP-65, CMRI for IIA & IIB Gas group | |||
Cabinet Material | ABS Plastic, White Colour | Polycarbonate, Grey colour | Cast Alluminium alloy, LM-6 / C.I. Enclosure | |||
Cable Entry | Terminal connector for connection | Thermoplastic cable gland (IP - 68) | Double compression cable gland (Ex-Proof),ET-type | |||
Dimension | 96 (H) X 96 (W) X 120 (D) in mm | 215 (H) X 240 (W) X 120 (D) in mm | 300 (H) X 250 (W) X 110 (D) in mm | |||
Cutout | 92 (H) X 92 (W) in mm | - - - - | - - - - | |||
Mounting | Panel mounting | Wall Mounting / Stand Mounting | Wall Mounting / Stand Mounting | |||
Weight | Approx. 1.0 Kg | Approx. 2.5 Kg | Approx. 4.0 Kg | |||
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