Function Parameter Index Reference
126 RS232 Communications Reference Manual 8/99
5.71 UPDN Function Block
Description
The UPDN label stands for UP/DOWN Counter. This block is part of the Logic category. It looks like this
graphically on the Control Builder:
Dynamic Parameters:
Table 5-93 UPDN Dynamic Parameters
Parameter Index Type Use R/W Description
status 0 REAL C R block status (see section 5.2 for code list)
OUT 1 REAL O W output
PREI 2 BOOL O W preset indicator
X 3 BOOL I R positive edge detect count input
RPRE 4 REAL I R remote preset (1 to 999999)
RST 5 BOOL I R ON resets the count
CNTDN 6 BOOL I R ON counts down
Static Configuration Parameters:
Table 5-94 UPDN Static Configuration Parameters
Parameter Index Type Description
lpre 0 REAL local preset (1 to 99999)
rem 1 BOOL ON selects remote preset