Dräger REGARD User Manual

REGARD 8-Input 4-20 Module & 8-Channel Display Card (ATEX Version)
Issue 2. October 2011
3
CONTENTS
FOR YOUR SAFETY 5
OPERATION 6
Intended use 6
Description 6
General 6
Power-on sequence 6
Command mode 7
Master card 7
Modbus gateway card 7
Electromagnetic compatibility (EMC) 7
Display card front panel controls and indicators 8
Display 8
LEDs 8
Push buttons 8
Input module terminals 9
Operational faults 10
Operational fault codes 10
INSTALLATION 12
Install input module 12
Connect RS-485 output to display card 12
Connect transmitters to input module 13
Connect DC supply to module 15
Install 8-channel display card 15
Optional connections 16
A1, A2, Fault alarm relays 16
Remote reset 16
CONFIGURATION 17
Command mode 17
Function of front panel controls in command mode 17
Accessing command mode 18
Entering a password 18
Changing a password 18
Save configuration settings 19
Locking card in command mode 19
Quit command mode 19
Table of commands 19
Basic configuration 21
Set number of heads connected to module 21
Set gas name 21
Set gas units 22
Set measurement range (FSD) 23
Set alarm trip levels 24
Set rising or falling alarms 24
Set alarm latch mode 25
Set zero 26
Set span 26
Advanced configuration 27
Set Regard channel numbers 27
Set Regard communications checksum 27
Set over-range latch 28

Dräger REGARD Specifications

General

Manufacturer	Dräger
Measurement Range	Varies depending on the sensor; refer to specific sensor specifications.
Resolution	Varies depending on the sensor; refer to specific sensor specifications.
Accuracy	Varies depending on the sensor; refer to specific sensor specifications.
Response Time	Varies depending on the sensor; refer to specific sensor specifications.