Siemens simatic hmi op7, Equipment Manual

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2-1
Equipment Manual OP7, OP17
Release 04/99
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
Function OP7 OP17
Event messages Number 499 999 g
Length (characters) 80
Display
Print
Display event message texts
Number of entries in event message buffer 256
Display event message buffer
Print event message buffer
Delete event message buffer
Alarm messages Number 499 999 g
Length (characters) 80
Display
Print
Display alarm message texts
Number of entries in alarm message buffer 256
Display alarm message buffer
Print alarm message buffer
Delete alarm message buffer
Message acquisition Time of occurrence Date, Time g q
Message event Arrive, Depart,
Acknowledged
Tag input
Digits or letters
g p
By means of symbolic tags
Actual-value display Numerical and symbolic
Combined actual-value display/set-
point entry
Limit monitoring On inputs by operator
2