STEP 7.4 MODULE 4 - Alarm Parameters (
AVAILABLE ALARM ACTIONS
NONE
None
Absolute High
AbHI
(balanced hysteresis)
Absolute Low
AbLO
(balanced hysteresis)
Absolute High
AuHI
(unbalanced hysteresis)
Absolute Low
AuLO
(unbalanced hysteresis)
ALARM ACTION FIGURES
Note: Hys in the above figures refers to the Alarm Hysteresis.
PARAMETER MENU
No action, the remaining Alarm
parameters are not available.
The alarm energizes when the Process
Value exceeds the alarm value + 1/2
the hysteresis value.
The alarm energizes when the Process
Value falls below the alarm value -1/2
the hysteresis value.
The alarm energizes when the Process
Value exceeds the alarm value.
The alarm energizes when the Process
Value falls below the alarm value.
<.:#
d-HI
Deviation High
d-LO
Deviation Low
Band Acting
b-IN
(inside)
Band Acting
b-ot
(outside)
Heat (A1 Analog
HEAt
models only)
Cool
CooL
(A2 only)
17
) (OPTIONAL)
Alarm 1 and 2 value tracks the
Setpoint value
Alarm 1 and 2 value tracks the
Setpoint value
Alarm 1 and 2 value tracks the
Setpoint value
Alarm 1 and 2 value tracks the
Setpoint value
If heating is selected, the remaining
Alarm 1 parameters are not available.
If cooling is selected, the remaining
Alarm 2 parameters are not available.