User Manual
48
40005E (Enhanced Bargraph Indicator)
REF NO: m42B/om/101
Issue No: 02
8. ALARM OUTPUT, CONTROL OUTPUT , DIGITAL OUTPUT AND
WATCHDOG OUTPUT OPERATION
8.1 Alarm Output Operation
Every single channel can have maximum 5 set points. 4 for Alarm outputs(1 for Alarm 1 Set Point
, 1 for Alarm 2 Set Point, 1 for Alarm 3 Set Point, 1 for Alarm 4 Set Point) and 1 for Control Set
Point, totaling 8 alarm outputs and 2 control outputs for 2 number of channels. Control Outputs
are
Optional.
5 Relays can be used as DO(Digital Output ). All Digital Outputs are
Optional
.
Following tables shows Alarm Output , control output and digital output operation.
Table 25 Alarm 1 and Alarm 2 Momentary Alarm Logic
ALARM AL1
MOMEMTARY ALARM
(when in abnormal condition ack not pressed)
CONDITION
NORMAL
ABNORMAL
UP (O/S)
DOWN (O/S)
ACK
(2)
NORMAL
(1)
ACK
(3)
HIGH
ALARM
RELAY
OFF
ON
ON
OFF
OFF
OFF
ASP1
TRIP
RELAY
OFF
ON
OFF
OFF
ON
OFF
LOW
ALARM
RELAY
OFF
ON
OFF
ON
OFF
OFF
ASP1
TRIP
RELAY
OFF
ON
OFF
OFF
ON
OFF
ALARM AL2
MOMEMTARY ALARM
(when in abnormal condition ack not pressed)
CONDITION
NORMAL
ABNORMAL
UP (O/S)
DOWN (O/S)
ACK
(2)
NORMAL
(1)
ACK
(3)
HIGH
ALARM
RELAY
OFF
ON
ON
OFF
OFF
OFF
ASP2
TRIP
RELAY
OFF
ON
OFF
OFF
ON
OFF
LOW
ALARM
RELAY
OFF
ON
OFF
ON
OFF
OFF
ASP2
TRIP
RELAY
OFF
ON
OFF
OFF
ON
OFF
ALARM AL3
MOMEMTARY ALARM
(when in abnormal condition ack not pressed)
CONDITION
NORMAL
ABNORMAL
UP (O/S)
DOWN (O/S)
ACK
(2)
NORMAL
(1)
ACK
(3)
HIGH
ALARM
RELAY
OFF
ON
ON
OFF
OFF
OFF
ASP3
TRIP
RELAY
OFF
ON
OFF
OFF
ON
OFF
LOW
ALARM
RELAY
OFF
ON
OFF
ON
OFF
OFF
ASP3
TRIP
RELAY
OFF
ON
OFF
OFF
ON
OFF
ALARM AL4
MOMEMTARY ALARM
(when in abnormal condition ack not pressed)
CONDITION
NORMAL
ABNORMAL
UP (O/S)
DOWN (O/S)
ACK
(2)
NORMAL
(1)
ACK
(3)
HIGH
ALARM
RELAY
OFF
ON
ON
OFF
OFF
OFF
ASP4
TRIP
RELAY
OFF
ON
OFF
OFF
ON
OFF
LOW
ALARM
RELAY
OFF
ON
OFF
ON
OFF
OFF
ASP4
TRIP
RELAY
OFF
ON
OFF
OFF
ON
OFF