Function Blocks 
HLLM High Low Limiter Function Block 
Revision 11    HC900 Hybrid Control Designer Function Block Reference Guide  169 
2/07     
Configuration parameters 
Table 52  High low limit configuration parameters 
 
Properties Group  Parameter  Index #  Parameter Description  Value or Selection 
Set Limits  High Limit 
0  High limit value for analog (X) value  –99999 to 999999 
 Low Limit  
1  Low limit value for analog (X) value  –99999 to 999999 
 
Example 
HFigure 40 shows a Function Block Diagram using an HLLM function block to provide a remote setpoint 
signal within specified limits to a PID Control Loop. 
 
X Input
Output
X HI
X LO
HI*
LO*
X
OUT
{
{
 
 
Figure 40 HLLM function block example