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 areas of functional safety in accordance with SIL1.

Special features:
  • SIL 1
  • Measurement function report BVS 03 ATEX G007 X
  • Suitable for suitable sensors in Ex zone 1
  • 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 the standard field distributor.

The GMC 8022 has the following functions in conjunction with sensors with 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.
● For example, horns, warning lights or solenoid valves can be activated to initiate appropriate measures in the event of a gas leak.
● The GMC 8022 can be used as an evaluation device for suitable gas sensors mounted in the Ex zone 1 area. However, the GMC 8022 itself must be mounted outside the hazardous area.

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

Er ist geeignet für den Einsatz in Bereichen funktionaler Sicherheit nach SIL1.

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
  • Suitable for suitable sensors in Ex zone 1
  • 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

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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