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