Honeywell HC900 Reference Manual page 436

Function Blocks
TPSC (3POS) Function Block
MOTOR tab
Three Position Step control is accomplished by assigning the motor control relays physical address under
this tab.
Example
ATTENTION
TPSC output addresses are not checked for redundant assignment or mismatch with controller
hardware; therefore, use caution to insure unique address and correct I/O module.
422 HC900 Hybrid Control Designer Function Block Reference Guide Revision 11
2/07