GMC 8022

The GMC 8022 evaluation unit is a gas measuring computer for top-hat rail mounting.

In conjunction with up to 2 sensors with 4 to 20 mA signal output, the GMC 8022 is used to display and trigger protective measures.

The GMC 8022 has a measurement function certificate BVS 03 ATEX G007 X.

It is suitable for use in functional safety areas in accordance with SIL 1 and SIL 2.

Special features:
  • SIL 1 + SIL 2
  • Measurement function report BVS 03 ATEX G007 X
  • Simple operation
Our quality standards:
  • Solid and proven device design
  • Very durable with low maintenance costs
  • Developed and manufactured in Germany

 

 

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Description

The GMC 8022 evaluation unit is a gas measuring computer for installation in standard field distributors.

The GMC 8022 has the following functions in conjunction with sensors with a 4-20 mA signal output:
● Measurement and display of the gas concentration.
● Monitoring and warning of these gases.
● Triggering of protective measures to counteract an increase in concentration.
● Horns, warning lights or solenoid valves can be activated, for example, to initiate appropriate measures in the event of a gas leak.

The GMC 8022 has a measurement function certificate BVS 03 ATEX G007 X.

It is suitable for use in areas of functional safety in accordance with SIL1 + SIL2.

Checking the alarm output is also possible with the GMC 8022 without test gas.

● Fault monitoring at
– Mains failure
– Computer fault
– Wire breakage / short circuit of the sensor lines
● Floating relay outputs for
– Alarm 1 and 2
– Horn
– Fault

Core features of the GMC 8022:
  • SIL 1 + SIL 2
  • Measurement function report available
  • Up to 2 gas sensors
  • 4 to 20 mA
  • for top hat rail mounting
  • 2 alarm levels
  • Additional horn output

 

Available accessories:
  • Central emergency power supply
  • Horns
  • Warning lights
  • Solenoid valves

Technical Data

Measuring channels

2

EU type examination

in accordance with Directive 2014/34/EU, measuring function: BVS 03 ATEX G 007 X

Functional safety

SIL 1, SIL 2
(see separate information for details)

Sensor interface

Linear input 4…20 mA,
Shunt 226 Ohm to GND
Sensor supply: 24VDC (20…27.6 VDC), SELV,
max. 100 mA per sensor
PTB 00 ATEX 1075

Alarm levels

Collective outputs for measuring channel 1 and 2:
● Alarm 1 and 2
● Horn
● Fault

Outputs

Potential-free collective alarm relays for:
– Alarm 1: NO contact
– Alarm 2: changeover contact
– Fault: NC contact
– Horn: NO contact

Switching capacity of the output relays

230 VAC, 2A
30 VDC, 2A

Supply voltage

– 230 VAC, 50…60 Hz
– 24 VDC (21.7…28 VDC,) SELV
for connection to standard
AC/DC power inverters

Display elements

● LEDs for each measuring channel for:
– Alarm 1 and 2
– Fault
– Displayed sensor
● Ready for operation
● Horn
● Digital display for gas concentration and
Programming data

Control elements

3 buttons for:
● Horn and alarm reset
● Guidance through menus
● Programming

Further information

See data sheet

Downloads

Accessories

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