Function Blocks 
SPP Function Block 
Revision 11    HC900 Hybrid Control Designer Function Block Reference Guide  347 
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Block properties 
 
 
 
Double click on the function block to access the function block properties dialog box. 
Configuration parameters 
Table 101  SPP configuration parameters 
 
Properties Group  Parameter  Index #  Parameter Description  Value or Selection 
Block Tag Name 
N/A  16 character tag name   
 Descriptor 
N/A Block descriptor   
Display 
Decimal 
Places 
N/A 
Number of places to display after 
the decimal point 
0-5 
 SP Units 
N/A  Engineering unit descriptor  6 characters 
 
Aux Decimal 
Places 
N/A 
Number of places to display after 
the decimal point 
4 Characters 
Failsafe SP 
Failsafe 
Setpoint 
0  Failsafe Setpoint Value 
–9999 to 9999 
Engineering Units