Function Blocks
LDLG Lead/Lag Function Block
180 HC900 Hybrid Control Designer Function Block Reference Guide Revision 11
2/07
Block properties
Double click on the function block to access the function block properties dialog box.
Configuration parameters
Table 56 Lead lag configuration parameters
Properties Group Parameter Index # Parameter Description Value or Selection
Time Constants Lag Time (min)
0 T1 - Lag Time Constant 0.00 to 99.00 minutes
Lead Time
(min)
1 T2 - Lead Time Constant
NOTE: If T2 is set to 0, function
becomes a lag filter.
0.00 to 99.00 minutes