Rockwell Automation 61C544A RTD Module User Manual
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4Ć16
10
!ăRTD Sample Task
20
!ăApril 22, 1991
30
!ă
40
!ăThis task checks for alarms once per second.
41
!ă If the temperature is above 200 C or below 100 C, WARNING@ is set
42
!ă If the temperature is above 250 C or below 50 C, SHUTDOWN@ is set
43
!ă If the temperature is out of range, SHUTDOWN@ is set
44
!ăIf the configuration fails, SHUTDOWN@ is set
50
!ă
100
!ă************************** LOCAL VARIABLES ******************************
110
!ă
120
LOCAL I%
130
!ă
200
!ă************************** COMMONVARIABLES ***************************
210
!ă
220
COMMONVAT1_TEMP%
\! Temperature read by RTD card for vat one
230
COMMONVAT2_TEMP%
\! Temperature read by RTD card for vat two
240
COMMONVAT3_TEMP%
\! Temperature read by RTD card for vat three
245
!ă
300
COMMONVAT1_HH_ALARM@
\! HighĆhigh
alarm status for vat one
310
COMMONVAT1_H_ALARM@
\! High
alarm status for vat one
320
COMMONVAT1_L_ALARM@
\! Low
alarm status for vat one
330
COMMONVAT1_LL_ALARM@
\! LowĆlow
alarm status for vat one
340
!ă
400
COMMONVAT2_HH_ALARM@
\! HighĆhigh
alarm status for vat two
410
COMMONVAT2_H_ALARM@
\! High
alarm status for vat two
420
COMMONVAT2_L_ALARM@
\! Low
alarm status for vat two
430
COMMONVAT2_LL_ALARM@
\! LowĆlow
alarm status for vat two
440
!ă
500
COMMONVAT3_HH_ALARM@
\! HighĆhigh
alarm status for vat three
510
COMMONVAT3_H_ALARM@
\! High
alarm status for vat three
520
COMMONVAT3_L_ALARM@
\! Low
alarm status for vat three
530
COMMONVAT3_LL_ALARM@
\! LowĆlow
alarm status for vat three
540
!ă
590
COMMON CONF_AVE_SAMPLES%
\! Number of samples
600
COMMONCONF_HH_ALARM%
\! HighĆhigh
alarm value
610
COMMONCONF_H_ALARM%
\! High
alarm value
620
COMMONCONF_L_ALARM%
\! Low
alarm value
630
COMMONCONF_LL_ALARM%
\! LowĆlow
alarm value
640
COMMON CONF_COMMAND%
\! Configuration command
650
COMMONCONF_COMP@
\! Configuration complete
660
COMMONCONF_ERROR@
\! True if configuration error occurs
670
COMMON CONF_CHAN_NUM%
\! Channel number
700
COMMON WARNING@
\! True if any vat's temp above 200 or below 100
710
COMMONSHUTDOWN@
\! True if any vat's temp above 250 or below 50
720
COMMON OUT_OF_RANGE%
\! NonĆzero if any channel is out of range
Figure 4.12 Ć Sample DCS 5000/AutoMax RTD Application Task (Continued)