Introduction to DCS4
Issue: 1.78
2-2 A Guide to Using DCS4 Access Control Workstation
Thermo Fisher Scientific
Worker Access Flowchart
The following flowchart shows the normal basic cycle for
workers entering and leaving the Radiologically Controlled
Area.
Select
Entry Process
Collect an EPD
from the rack
Insert EPD into Access
Control Workstation
Enter Worker Details
Enter Task Details
Take EPD into
Radiologically
Controlled Area
Perform task
Leave
Radiologically
Controlled Area
Select
Exit Process
Insert EPD into Access
Control Workstation
Green screen ?
There is a problem: follow
the instructions on screen
Return EPD to rack
Yes
No
Green screen ?
There is a problem: follow
the instructions on screen
Yes
No
Another task ?
Yes
No
Select
Transfer Process
If the EPD sounds its alarm during
this time, it means that the EPD has
registered a greater dose of radiation
than was predicted for the task.
By typing in data, or by presenting a
barcode, magnetic card or electronic
tag.
NB . I f separat e A ccess Cont rol
Workstations have been set up for
entry, exit and transfer, it may not be
necessary to select a process.
System writes data to EPD
System writes EPD data
to database
Enter Worker Details
