Function Blocks 
PID Function Block 
286    HC900 Hybrid Control Designer Function Block Reference Guide  Revision 11 
  2/07 
Table 85  PID Alarms tab configuration parameters 
 
Properties Group   Parameter  Index #  Parameter Description  Value or Selection 
Alarm 1  Setpoint 1 
23  Alarm 1 Setpoint 1 Value 
- this is the value at which 
you want the alarm type 
chose below to activate 
–99999 to 99999 in Engineering 
Units 
Within the PV range when alarm 
type is PV or SP 
Within PV span when alarm type 
is DEV 
–5 % to 105 % when alarm type 
is output. 
 Type 
N/A  Alarm 1 Setpoint 1 Type 
- select what you want 
Alarm 1 Setpoint 1 to 
represent. 
Selections: 
NO ALARM 
PV_HIGH  High PV Alarm 
PV_LOW  Low PV Alarm 
DEV_HIGH High Deviation 
  alarm 
DEV_LOW Low Deviation 
  alarm 
SP_HIGH   High Setpoint 
  alarm 
SP_LOW Low Setpoint 
  alarm 
OUT_HIGH High Output 
  alarm 
OUT_LOW Low Output 
  alarm 
 Setpoint 2 
24  Alarm 1 Setpoint 2 Value 
Same as 
Alarm 1 Setpoint 1 
 Type 
N/A  Alarm 1 Setpoint 2 Type 
Same as 
Alarm 1 Setpoint 1 
Alarm 2  Setpoint 1 
25  Alarm 2 Setpoint 1 Value 
Same as 
Alarm 1 Setpoint 1 
 Type 
N/A  Alarm 2 Setpoint 1 Type 
Same as 
Alarm 1 Setpoint 1 
 Setpoint 2 
26  Alarm 2 Setpoint 2 Value 
Same as 
Alarm 1 Setpoint 1 
 Type 
N/A  Alarm 2 Setpoint 2 Type 
Same as 
Alarm 1 Setpoint 1 
Alarm 
Hysteresis 
% 
31  Alarm Hysteresis in %  0 % to 5 %