1
Download UP750 | Dual loop control
Transcript
<Toc> 7-2 <7. Function Block Diagram and Descriptions> ■ Function Block Diagram for Dual-loop Control Loop1 PV input terminals 11 , 12 and 13 Contact input Extended contact input DI1 RDI104 to 108 DI2 DI3 DI4 Extended contact input DI5 DI6 DI7 Loop2 PV input terminals 41 , 42 and 43 RDI101 to 103 INPUT1 INPUT2 Analog input range conversion Analog input bias Program operation Square root extraction Local setpoint 1 Local operation Analog input filter 10-seg. linearizer approx./bias PV input bias Local setpoint 2 Local operation Start of local-mode operation when DI changes from OFF to ON Unit selection Stop of program operation when DI changes from OFF to ON Start of program operation when DI changes from OFF to ON Program pattern selection Input selection Hold operation when RDI101 changes from OFF to ON. Start of advance operation when RDI102 changes from OFF to ON. Input selection Unit selection Analog input range conversion Analog input bias Square root extraction Analog input filter 10-seg. linearizer approx./bias PV input bias PV input filter PV input filter Manual operation Manual operation Control computation 1 MAN AUTO Control computation 2 MAN AUTO A/M2 A/M1 Preset output STOP Output limiter RUN OT1 Preset output STOP RUN 15 V loop power supply OT2 Loop1 control output OUTPUT1 OUTPUT1 Output limiter Loop2 control output OUTPUT2 Retransmission output RET2 OUTPUT2 RET1 OUTPUT1 OUTPUT2 OUTPUT3 Current or Relay Current or Relay Current* Current* Current pulse terminals terminals pulse terminals terminals terminals terminals terminals 16 and 17 1 , 2 and 3 46 and 47 48 , 49 and 50 16 and 17 46 and 47 14 and 15 *: Unavailable when control output is current or pulse. PV event output Time event output Instrument alarm output R151 to 158 R251 to 258 Extended contact output DO1 PV event 1 DO2 DO3 DO4 PV Instrument Time event 2 alarm 1 event 1 Terminal Parameter Analog signal Contact signal DO5 DO6 DO7 Time event 2 Time event 3 Time event 4 Function Legend IM 05E01B02-51E 3rd Edition: May 31, 2006-00
