Connecting The Alarm Relay Option (Opt 61); Figure 3-10: Alarm Relay Output Pin Assignments; Table 3-8: Concentration Alarm Relay Output Operation - Teledyne T360 Operation Manual

Getting Started

3.5.7. Connecting the Alarm Relay Option (OPT 61)

Table 3-7:
RELAY NAME
ASSIGNED
ALARM
1
ST_SYSTEM OK2 is a second system OK status alarm available on some analyzers.
Table 3-8: Concentration Alarm Relay Output Operation
RELAY FUNCTION
Concentration
Active
Alarm 1
AL2
Concentration
Inactive
Alarm 1
Concentration
Active
Alarm 2
AL3
Concentration
Inactive
Alarm 2
1
NO = Normally Open operation. C = Common. NC = Normally Closed operation.
42
Option 61 consists of a set of 2 concentration alarms. Each alarm can be
independently enabled or disabled as well as programmed with its own,
individual alarm limit point (see Section 4.14 for details on programming the
alarms).
The status of each alarm is available via a set of alarm relay outputs located in the
lower right quadrant of the analyzer's rear panel (see Figure 3-4). While there are
four relay outputs on the back of the analyzer, only two of the outputs correspond
to the instrument's two concentration alarms.
Alarm Relay Output Assignments
AL1
ST_SYSTEM_OK2
AL1
NO C NC NO C NC NO C NC NO C NC
ST_SYSTEM_OK2
(Optional Alert)
Figure 3-10:
Each of the two concentration relay outputs has 3-pin connections that allow the
relay to be connected for either normally open or normally closed operation.
Table 3-8 describes how to connect the alarm relays.
RELAY PIN
1
STATE
NO C NC
Gas concentration level is above the trigger limit set for CONC_ALARM_1
 DAS Trigger CONCW1 ACTIVATED
 CONC ALARM1 WARN appears on Analyzer Display
Gas concentration level is below the trigger limit set for CONC_ALARM_1
Gas concentration level is above the trigger limit set for CONC_ALARM_2
 DAS Trigger CONCW2 ACTIVATED
 CONC ALARM2 WARN appears on Analyzer Display
Gas concentration level is below the trigger limit set for CONC_ALARM_2
Teledyne API Model T360/T360M Operation Manual
AL2
CONCENTRATION
1
ALARM 1
ALARM OUT
AL2 AL3
CONCENTRATION CONCENTRATION
ALARM 1
Alarm Relay Output Pin Assignments
COMMENTS
AL3 AL4
CONCENTRATION
SPARE
ALARM 2
AL4
SPARE
ALARM 2
07272B DCN6552