18
RELAY LATCH
No
: The Relay switches ON or OFF with Alarm activation or de-
activation.
Yes
: The Relay Output switches (ON for Normal Logic / Off for
Reverse logic) upon Alarm activation. However, Alarm de-
activation does not affect the Relay status. The Relay
status can only be regained by pressing acknowledge key
provided the Alarm has de-activated.
RELAY LOGIC
Normal
: The Relay remains ON under Alarm condition; OFF
otherwise. Useful for activating Audio (like hooter) or
Visual (like lamp) gadget.
Reverse
: The Relay remains OFF under Alarm condition; ON
otherwise. Useful for Tripping the system under
monitoring.
1 to No. of
Alarms per channel
(Default : NA)
SELECT OUTPUT RELAY NUMBER
The Scanner features 4 Relay Outputs (RLY-1 to RLY-4) that are
mapped to AL-1 to AL-4 of each channel. The relay outputs can be
used for either activating Audio/Visual gadgets (Normal Logic) or
for Tripping the system being monitored (Reverse Logic). Further
the output can be programmed to either switch ON/OFF with
Alarm switching (Relay Latch = No) or remain Latched until
acknowledged (Relay Latch = Yes).
This parameter allows to select 1 out of 4 Relays for ‘Logic’ and
‘Latch’ parameter setting.
1 to 4
(Default : 4)
NUMBER OF ALARMS PER CHANNEL
The instrument is provided with 4 independently settable soft
Alarms per channel. However, the actual number of Alarms
required per channel may vary from application to application.
This parameter allows selecting the exact number of Alarms
required per channel (Maximum 4).
Normal
Reverse
(Default : Normal)
The parameters presented on this page allow configuring the number of Alarms per channel, the Alarm output function (Audio /
Visual or Tripping) and Alarm latching.
PAGE 11 : ALARM CONFIGURATION PARAMETERS
Parameter Description
Settings
(Default Value)
Table 6.1
No
Yes
(Default : No)
User Manual
SCANEX PLUS
Section 6
