MAX/MIN TEMPERATURE ALARMS
Temperature as a value
relative to Setpoint (Att=1)
Temperature as an
Absolute value (Att=0)
SEt + LAL
AFd
SEt + HAL
AFd
SEt + LAL + AFd
SEt + HAL – AFd
SEt
LAL
AFd
HAL
AFd
LAL + AFd
LAL - AFd
Minimum alarm Temp. ≤ Set + LA1/2 * Temp. ≤ LA1/2 (LA1/2 with sign)
Maximum alarm Temp. ≥ Set + HA1/2 ** Temp. ≥ HA1/2 (HA1/2 with sign)
Returning from minimum
Temp. ≥ Set + LA1/2 + AFd or
≥ Set - ILA1/2I + AFd (LA1/2<0)
Temp. ≥ LA1/2 + AFd
Returning from maximum Temp. ≤ Set + HA1/2 - AFd (HA1/2>0) Temp. ≤ HA1/2 - AFd
* if LA1/2 is negative, Set + LA1/2 < Set
** if HA1/2 is negative, Set + HA1/2 < Set