Function Blocks
PID Function Block
Revision 11 HC900 Hybrid Control Designer Function Block Reference Guide 279
2/07
Table 82 PID Range/limit tab configuration parameters
Properties Group Parameter Index # Parameter Description Value or Selection
Ranging
PV High
Range
4 PV High Range Value –99999 to 99999
PV Low
Range
5 PV Low Range Value –99999 to 99999
Display
Decimal
Places
N/A
Number of digits to display after
decimal point.
0 to 5
Units
N/A Text to display for EU 6 characters
DEV Bar
Range (EU)
N/A
Deviation Bar Range on the
Operator Interface
–99999 to 99999
Limiting
SP High
Limit
17
Setpoint High Limit Value -
prevents the local and remote
setpoints from going above the
value set here.
–99999 to 99999
SP Low
Limit
18
Setpoint Low Limit Value - prevents
the local and remote setpoints from
going below the value set here.
–99999 to 99999
Out High
Limit
20
Output High Limit Value - is the
highest value of output beyond
which you do not want the
automatic output to exceed
–5 % to 105 %
Out Low
Limit
21
Output Low Limit Value - is the
lowest value of output beyond
which you do not want the
automatic output to exceed
–5 % to 105 %
SP Rate
Down
41
Setpoint Rate Down value - when
making a setpoint change, this is
the rate at which setpoint will
change from the original setpoint
down to the new one.
0 (off) to 9999 (eu/min)
SP Rate Up
42
Setpoint Rate Up value - when
making a setpoint change, this is
the rate at which setpoint will
change from the original setpoint
up to the new one.
0 (off) to 9999 (eu/min)
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