Rockwell-automation Current Input Module Manual de usuario descargar pdf (Pagina 36)

4Ć18

10 ! September 20, 1991

20 !

30 ! This task configures three channels:

40 ! Channel 0 monitors the level of a liquid in a tank

45 ! Channel 1 monitors the startup pressure of a process

50 ! Channel 2 monitors the operating pressure of a process

55 ! If any configuration fails, SHUTDOWN@ is set

60 !

65 ! This task checks for alarms once per second.

70 ! If any channel has an out of range status condition, &

! SHUTDOWN@ is set

75 ! If any channel has a high or low alarm, WARNING@ is set

80 ! If any channel has a highĆhigh or lowĆlow alarm, &

! SHUTDOWN@ is set

90 !

100 ! ********************* LOCAL VARIABLES *******************

110 !

120 LOCAL CHANNEL%

130 !

200 ! ********************* COMMON VARIABLES ******************

210 !

220 COMMON TANK_LEVEL% \! Tank level read by the CIM card

230 COMMON START_PROCESS% \! Pressure read by the CIM card &

\! during the startup process

240 COMMON OP_PROCESS% \! Pressure read by the CIM card &

\! during the operation process

245 !

300 COMMON TANK_HH_ALARM@ \! Tank highĆhigh alarm status

310 COMMON TANK_H_ALARM@ \! Tank high alarm status

320 COMMON TANK_L_ALARM@ \! Tank low alarm status

330 COMMON TANK_LL_ALARM@ \! Tank lowĆlow alarm status

340 !

400 COMMON START_HH_ALARM@ \! HighĆhigh alarm status during the &

\! startup process

410 COMMON START_H_ALARM@ \! High alarm status during the &

\! startup process

420 COMMON START_L_ALARM@ \! Low alarm status during the &

\! startup process

430 COMMON START_LL_ALARM@ \! LowĆlow alarm status during the &

\! startup process

440 !

500 COMMON OP_HH_ALARM@ \! HighĆhigh alarm status during &

\! the operation process

510 COMMON OP_H_ALARM@ \! High alarm status during the &

\! operation process

520 COMMON OP_L_ALARM@ \! Low alarm status during the &

\! operation process

530 COMMON OP_LL_ALARM@ \! LowĆlow alarm status during the &

\! operation process

540 !

600 COMMON CNF_CHAN_NUM% \! Channel number (Register 23)

610 COMMON CNF_MAX% \! Maximum scaling value (Register 24)

620 COMMON CNF_MIN% \! Minimum scaling value (Register 25)

630 COMMON CNF_AVE_SAMPLE% \! Number of running average samples (Register 26)

640 COMMON CNF_HH_ALARM% \! HighĆhigh alarm value (Register 27)

650 COMMON CNF_H_ALARM% \! High alarm value (Register 28)

660 COMMON CNF_L_ALARM% \! Low alarm value (Register 29)

670 COMMON CNF_LL_ALARM% \! LowĆlow alarm value (Register 30)

680 COMMON CNF_COMMAND% \! Configuration command (Register 31)

690 COMMON CNF_COMP@ \! Configuration complete (Register 22, bit 15)

700 COMMON CNF_ERROR@ \! True if configuration error occurs (Register 22, bit 14)

710 COMMON WARNING@ \! True if any channel has a high or &

\! low alarm

720 COMMON SHUTDOWN@ \! True if any channel has a lowĆlow &

\! or highĆhigh alarm or an outĆofĆ &

\! range or configuration error

730 COMMON OUT_OF_RANGE% \! NonĆzero if any channel output &

\! value is out of range

Figure 4.12 Ć Sample DCS 5000/AutoMax Current Input Application Task

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Rockwell-automation Current Input Module Manual de usuario Pagina 36

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