GE PACSystems RX7i Cpu Programmer's Reference Manual

Also see for PACSystems RSTi-EP: Reference manual User manual

Contents

GE PACSystems RX7i Cpu Programmer's Reference Manual Manual pdf 281 page image

Chapter 5. Function Block Diagram (FBD)266 PACSystems* RX7i, RX3i and RSTi-EP CPU Programmer's Reference Manual GFK-2950C5.11 TimersThis section describes the PACSystems timing functions that are implemented in the FBD language.5.11.1 Built-in Timer Function BlocksThese function blocks use WORD Array instance data. The parameter that appears above thefunction block is a one-dimensional, three-word array in %R, %W, %P, %L, or symbolic memory thatthe timer uses to store its current value, preset value and control word.Function DescriptionOff Delay Timer. The timer's Current Value (CV) resets to zero when its enableparameter (EN) is set to ON.. CV increments while EN is OFF. When CV=PV (PresetValue), ENO is set to OFF until EN is set to ON again.Other OFDT functions:OFDT_SECOFDT_TENTHSOFDT_THOUSFor details, refer to Timers in Chapter 4.On Delay Stopwatch Timer. Retentive on delay timer. Increments while EN is ON andholds its value when EN is OFF.ONDTR_SECONDTR_TENTHSONDTR_THOUSFor details, refer to Timers in Chapter 4.On Delay Timer. Simple on delay timer. Increments while EN is ON and resets to zerowhen EN is OFF.TMR_SECTMR_TENTHSTMR_THOUSFor details, refer to Timers in Chapter 4.