Download LIBRARY B FUNCTION BLOCKS INSTRUCTION MANUAL
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Block Library Restrict SP to limits if Cas or Rcas Normally the setpoint will not be restricted to the setpoint limits except when entered by a human interface device. However, if this option is selected, the setpoint will be restricted to the setpoint absolute limits in the Cas and Rcas modes. No OUT limits in Manual Do not apply OUT_HI_LIM or OUT_LO_LIM when target and actual mode are Man. Trust the operator to do the right thing. STATUS_OPTS Bit PID EPID APID 0 IFS if BAD IN (LSB) Meaning X X X 1 IFS if BAD CAS_IN X X X X 2 Use Uncertain as Good X X X X 3 Propagate Fail Forward 4 Propagate Fail Backward 5 Target to Manual if BAD IN 6 Uncertain if Limited X X 7 BAD if Limited X X 8 Uncertain if Man mode X 9 No select if No AUTO 10 No select if no Cas 11 Reserved 12 Reserved 13 Reserved 14 Reserved 15 Reserved AI X DI X PUL SPLT AALM ISEL SPG TIME LLAG DENS FFET X X X X X X X AO STEP INTG X X X X X DO X X X X X X X X X X X IFS if BAD IN Set Initiate Fault State status in the OUT parameter if the status of the IN parameter is BAD. IFS if BAD CAS_IN Set Initiate Fault State status in the OUT parameter if the status of the CAS_IN parameter is BAD. Use Uncertain as Good If the status of the IN parameter is Uncertain, treat it as Good. Otherwise, treat it as BAD. Propagate Fail Forward If the status from the sensor is Bad, Device failure or Bad, Sensor failure, propagate it to OUT without generating an alarm. The use of these sub-status in OUT is determined by this option. Through this option, the user may determine whether alarming (sending of an alert) will be done by the block or propagated downstream for alarming. Propagate Fail Backward If the status from the actuator is Bad, Device failure or Fault State Active or Local Override is active, propagate this as Bad, Device Failure or Good Cascade, Fault State Active or Local Override to BKCAL_OUT respectively without generating an alarm. The use of these sub-status in BKCAL_OUT is determined by this option. Through this option, the user may determine whether alarming (sending of an alert) will be done by the block or propagated upstream for alarming. 2.261