Siemens simatic hmi op7 Equipment Manual page 93

Setting first/last
message display
Setting date and
time
Equipment Manual OP7, OP17
Release 04/99
To define whether the oldest or the most recent alarm messages (for first/last
message refer to section 7.2) is displayed when several are waiting to be
displayed, proceed as follows:
Step
1 Choose the standard screen System settings
2 Select the corresponding parameter, i.e. either First or Last.
3 Exit from the standard screen by pressing
You can adjust the current date and time on the OP – for example, to allow
for summer or winter time. Any change you make will affect all messages
and screens for which a date or time tag has been defined. The display format
for date and time is defined in your configuration and cannot be changed by
means of the menu system on the OP.
Step
1 Choose the standard screen System settings
Use the arrow keys to move the cursor from the date field
to the clock field and back again.
To move the arrow keys within the input field for the
date or time, activate Shift Lock mode beforehand so
that the LED is on.
Change the day of the week using a symbolic input and the date
and time of day by means a numeric input.
2 Confirm your input by pressing
3 Exit from the standard screen by pressing
Note
OP7 Date and time are generated by software. This information has to
be updated every time the OP7 starts up.
OP17 Without a backup battery (upgradable option), the OP17 continues
to count the date and the time for several days following interrup-
tion of the power supply. If the OP17 starts up after this stored
energy time has expired, the internal hardware clock has to be
updated.
Procedure
DispMsg.
Procedure
Dat/Time.
ESC
SHIFT
ENTER
ESC
10-3