Action Requests 7-17SIMATIC PCS 7 OSx 4.1.2 Operator
The two chemicals continue to flow into the reactor tank until the H_Alarm
bit of the REACTOR27W trigger tag turns on. At this point, the p rocess
stops and triggers the ADD_CATALYST action request. The operator must
add a catalyst to the tank before the two ingredients can react properly.
The second action request is triggered by the high alarm of the reactor tank.
The high alarm triggers the request so the operator can stop the process,
add a catalyst, and allow the two ingredients to continue entering the tank.
To answer the ADD_CATALYST request, the operator should follow these
steps:
1. Select the action request icon. The screen displays the Action Request
Summary. The summary shows the ADD_CATALYST request
(Figure 7-8). It is an Acknowledge request.
2. Follow the directions given by the text of the request. Add the catalyst
to the reactor tank.
3. In the Comment field, enter the milliliters of catalyst added to the
reagent mixture.
4. Select the
Commit option to acknowledge the request. OSx commits the
answer and changes the reset bit from 1 to 0.
The comment and answer are written to the Operator Change Log after
the action request is committed. The two reagent chemicals continue to
fill the tank.
The request is now complete.
THE AMOUNT OF INGREDIENTS IN REACTOR27W HAS REACHED
9.50 POUNDS. PLEASE ADD THE CATALYST AND INDICATE
TOTAL ML ADDED IN THE COMMENT FIELD.
Comment:
ADD_CATALYST 19--AUG 11:07:14
Batch ID:
1of1
fmacsumm: Action Request Summary
URGENT
View Commit Dismiss
User ID:
Figure 7-8 ADD_CATALYST Action Request
The two chemicals flow into the reactor tank until the HH_Alarm bit of the
REACTOR27W trigger tag turns on. At this po int, the process stops and
triggers the SET_TEMP action request.
Adding a Catalyst
to the Reactor Tank
Answering the
ADD_CATALYST
Action Request
Filling the Reactor
Tank
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