MAX/MIN TEMPERATURE ALARMS
Temperature as a
value relative to Setpoint (Att=1)
Temperature as an
Absolute value (Att=0)
Temp. ≤
Set + LAL *
Temp. ≥
Set + HAL **
Temp. ≥
Set + LAL + AFd
or
≥
Set -
I
LAL
I
+ AFd
(LAL < 0)
Temp. ≤
Set + HAL - AFd
(HAL > 0)
Temp. ≤
LAL
(
LAL
with sign)
Temp. ≥
HAL
(
HAL
with sign)
Temp. ≥
LAL + AFd
Temp. ≤
HAL - AFd
Minimum alarm
Maximum alarm
Returning from minimum
temperature alarm
Returning from maximum
temperature alarm
* if LAL is negative, Set + LAL < Set
** if HAL is negative, Set + HAL < Set
Setpoint - LAL
AFd
Off
Se HAL
AFd
Setpoint - LAL + AFd
Setpoint + HAL - AFd
Setpoint
LAL
AFd
HAL
AFd
LAL + AFd
HAL - AFd
Label Description Cause
Effects
Remedy
EA
External alarm
Digital input activated
(
H11
= ±5)
• Recording of label
EA
in folder AL
• Alarm icon permanently on
• Regulation locked if
rLO
= y
Check and remove the external
cause which triggered the alarm
on the D.I.
OPd
Door open
alarm
Digital input activated
(
H11
= ±4)
(for longer than
tdO
)
• Recording of label
OPd
in folder AL
• Alarm icon permanently on
• Controller locked
• Close the door
• Delay function defined by
OAO
