14
…2
OPERATION
Note.
Up to 7 electronic signatures can be stored in the instrument's memory.
If 7 signatures exist and a new one is created, the oldest is overwritten.
Fig. 2.4 Entering an Electronic Signature
2.3.1
Electronic Signatures – Fig. 2.4
Entering an electronic signature is the equivalent of signing the chart of a conventional paper recorder. Local procedures may require
the approval of a record by an authorized signatory; for this reason, an electronic signature is password protected.
Invalid Password
Entered
(see
Note
in Fig. 3.2, page 30)
Valid Password
Entered
Sign Chart
Enter Password (see Section 3.3)
Create a new signature
or…
Select one of 7
previously
defined signatures
(see
Note
below)
Create new signature or
edit an existing one.
If more than one process group
is enabled (see Section 4.4.1),
assign the signature to one or
more groups
Electronic signature is entered into alarm log.
If 'Chart Annotation' for 'Operator Messages' is
enabled (see Section 2.3), the electronic signature
is also displayed on the chart.
Process Group 1
0
10
12:00:00
11:59:00
11:58:00
11:57:00
High Level
High Out Flow Rate
05/10/04
14:52:00
On
Alarm 1
195
°C
Temp
198.9
l/hr
Out Flow
204.9
l/hr
In Flow
4
bar
Pressure
2.08
metres
Level