1. 

 19” RACK FRAME UNIT.

 Dimensions

: 3U x 42T x 240 mm

 No. of Channels

: Upto 8x three-wire Gas Sensors.

 Power Supply

: 24 VDC.

 comprising of the following hardware :-

a.

Main Control Card And 7” Touch Screen Colour Graphic Display

b.

MOTHER-BOARD (REAR-PANEL)

·          8 Euro-Connectors (F) for Plug-in Cards for each channel inside the Rack Unit.

·          Terminal Blocks for external connections on Motherboard for the following signals  Power Supply (24 VDC)
Analog retransmission (4 to 20 mA) for each channel.
Relay contacts.
RS485 communication on Modbus RTU.

c.

MISCELLANEOUS HARDWARE

·          Card Guides for up to 8 Plug-in Channel Cards and one Main Control Card

·          Pull out Handles on each Card.

·          Internal Bus and Cable Harnesses.

2.

CHANNEL CARDS FOR GAS MONITORING.

Each Channel Card is in standard EuroCard dimensions of 100x160 mm in plug-in execution, with the following features :

·          Microcontroller based Channel Card for individual Gas channel monitoring and control.

·          Four control Relay change-over contact outputs

·          Analog retransmission of 4 to 20 mA DC.

·          Euro-Connector for connection to Motherboard.