Siemens OP7 Equipment Manual page 25

Functionality
table 2-1 below summarizes the range of functions of Operator Panesl OP7 and OP17. The values quo-
ted are the maximum values that can be managed by the OP.
Table 2-1 Functionality of OP7 and OP17
Event messages g
Alarm messages g
Message acquisition g q
Tag input g p
Actual-value display
Combined actual-value display/set-
point entry
Limit monitoring
Equipment Manual OP7, OP17
Release 04/99
Function
Number
Length (characters)
Display
Print
Display event message texts
Number of entries in event message buffer
Display event message buffer
Print event message buffer
Delete event message buffer
Number
Length (characters)
Display
Print
Display alarm message texts
Number of entries in alarm message buffer
Display alarm message buffer
Print alarm message buffer
Delete alarm message buffer
Time of occurrence
Message event
Digits or letters
By means of symbolic tags
Numerical and symbolic
On inputs by operator
2
OP7 OP17
499 999
80
256
499 999
80
256
Date, Time
Arrive, Depart,
Acknowledged
2-1