REGARD 8-Input 4-20 Module & 8-Channel Display Card (ATEX Version)
Issue 2. October 2011
17
CONFIGURATION
Command mode
Configuration and maintenance of the display card is performed using front panel controls
and display, by setting the card into
command mode
.
In command mode:
•
Gas levels are no longer displayed.
•
The Inhibit LED lights and the Fault relay trips to indicate that operation of the alarm
relays is prevented (“inhibited”).
•
Transfer of alarm status information to the Regard master card (if present) is
prevented.
•
A1, A2 and Fault LEDs do not flash.
Function of front panel controls in command mode
Key Function
R
Confirm entry or selection
Select next command or option
Increase displayed value
Select previous command or option
Decrease displayed value
Select next head
Select previous head
EXAMPLE
•
Commands that allow a setting to be made for each head show the
head number after the command number, e.g. command
04–0
04–0:h1
•
Whenever head number (e.g.
h1
) is shown, press
or to
select a different head number, e.g. head 2
04–0:h2
Display may show Regard channel number in place of head number, if card
is set to display channel numbers (command 60-2).
E.g.
04–0:22
•
Press
R
to select head shown. Display shows command name …
GAS NAME
… and then shows current setting for that head, e.g.
h2:H2S
•
Head number is shown before the setting.
Different head number can be chosen by pressing
or …
h3:CO2
…or, if card is set to display channel numbers:
22:CO2
