Logix5000 Controllers General Instructions - SLAC Confluence

Bit Instructions (XIC, XIO, OTE, OTL, OTU, ONS, OSR, OSF, OSRI, OSFI) 83One Shot Rising (OSR)The OSR instruction sets or clears the output bit, depending on thestatus of the storage bit.This instruction is available in structured text and function block asOSRI, see page 3-89.Operands:Relay LadderOperand Type Format Descriptionstorage bit BOOL tag internal storage bitstores the rung-condition-in from the lasttime the instruction was executedoutput bit BOOL tag bit to be setDescription:When enabled and the storage bit is cleared, the OSR instruction setsthe output bit. When enabled and the storage bit is set or whendisabled, the OSR instruction clears the output bitrung condition instorage bitoutput bitinstruction isexecutedinstruction resets duringnext scan executionArithmetic Status Flags:Fault Conditions:not affectednonePublication 1756-RM003I-EN-P - January 2007