
2-1
TP 170A Equipment Manual
Release 12/99
Functionality
The table below summarizes the functional scope of the operating unit. The values quoted are
the maximum values which can be managed by the operating unit. The values are limited by the
size of the memory used.
Function
Comment
Configuration memory
Capacity, in kByte
256
Messages
Number
100
Display
In message display
Type of display
First/Last
Message text length
70 characters
Pending message events
16
Process values in message text
8
Message acquisition
Time of occurrence
Date and time
Screens
View
4
Screen objects
Output field
Input field
Text
Graphics
Status button
Bar
Message view
Limit value monitoring
Inputs/outputs
4
Password protection
Passwords
1
Screen settings
Contrast
4
Touch calibration
4
Communication
SIMATIC S7
MPI (to 1.5 Mbits/s)
4
PROFIBUS-DP
4
2
Содержание SIMATIC HMI TP 170A
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