รายละเอียด:
FEATURES:
Fail Safe Operational Design
Continues Gas Monitoring and Alarm System
Modular Design Card with Individual Display with Bar Graph Indication for each Transmitter
Easily Expandable & Easy for Maintenance / Calibration
Individual Alarm Relay / Open Collector outputs for each Gas Transmitter
Gas Range, Resolution, control Action, Latch Facility programmable by users / multilayer password protected
Inhibit / Service Mode, at the time of maintenance Alarm Relay become inactive
Easy Automatic Software Calibration - No Trim Pots
Optional isolated linear 4 - 20 mA O/P with Respect to gas concentration programmable by user
Optional isolated RS-485 with MODBUS RTU Protocol for DCS/ PLC
APPLICATIONS:
Refineries
Sewage Plants
Fertilizers Plants
Stack Monitoring
Gas Cylinder Bank
Pulp & Paper Plants
Oil & Gas Industries
Ambient Monitoring
Gas Pipeline Project
Gas Metering Station
Heat Treatment Plants
Chemical Storage Area
Burner / Furnace Areas
Bullet Yard / Storage Yard
Coal Mine and Confined Area
Chemical & Petrochemical Plants
Chemical Processing Plant
Acid alkalizes & Dyes Mfg. Plants
Offshore Drilling & Processing Platforms
Automotive Industries / Paint Shops
TECHNICAL SPECIFICATIONS:
Input
8 x 4 to 20mA output from Oxygen / Toxic / Combustible Gas Transmitter.
Range
0 to 999 in unit PPM or % LEL or %V/V Programmable by user.
Resolution
0.01, 0.1, 1 programmable by user
Accuracy
± 0.25% of the full-scale value.
No. of Input cards
Max. 16 module cards (Optional available 24 nos. and 48 nos. depends upon panel size )
Display
3 Digits of 8 mm (H) Red L.E.D. display for Gas Concentration 20 segment Red color Bar Graph Display for Gas concentration 100% Fullscale, 5% Per step L.E.D.
LED Indication
8 No. AL1, Al2, Al3, Health Check / Failsafe IndicationPRG, CAL Optional
TX / RX for Transmitting Receiving signal
Set point
3 Independent Alarm set point programmable by user Al1, Al2, Al3
Relay Output
4 No. 1 NO/C/NC relay contact rated 230VAC / 5A for Al1, Al2, Al3 and Fail safe Relay for each channel.
Relay Latching
Programmable latch facility for Alarm Relay-1 & Alarm Relay-2 Indication
Setting
Setting by 4 keys on front panel ‘ Set/Next,’ ‘Up’, ‘Down’, ‘Test / Ack’
Monitoring
Sensor break/ open shows under range shows & over range shows
Supply Voltage
18 to 36 VDC, 24VDC normal for module card OR 230V AC ±10% for wall mounted panel
Cable
1.5 sq. mm 3 core OR 2 core, Flexible OR Armoured shielded cable from Gas Transmitter to Monitor
Operating Temperature
-15 to +550C
Cabinet Material
M.S. housing with powder coating of Epoxy or PP Grade
Terminal
connectors with 1.5 Sq. mm. Wire connection facility for each channel inside the panel
Mounting
Wall Mounting with 10mm x 70mm screws (4Nos.)
Optional
a)Isolated RS-485 Serial port with MODBUS RTU Protocol output for PC interface
b) Isolated 4-20mA retransmission output for PLC, DCS, any recorder
c) SMARTLOG / SCADA SOFTWARE for online graph & data report for safety Audit or real time graph, history data, alarm report
e) Flame Proof or Non Flame Proof Industrial Hooter, Hooter cum Flasher, Chart recorder, Cables, PC Software, Gas Transmitters, 24 VDC power supply, Gas calibration kit