Functions - Siemens simatic hmi op7 Equipment Manual

LCD
Function keyboard
Soft keys
System keyboard
Data buffer
Interfaces
Fuse
Compatibility
Equipment Manual OP7, OP17
Release 04/99
High-contrast LC display with LED back-lighting. Display of up to 4 lines
each having a maximum length of 20 characters; the height of the characters
is 8 mm.
8 keys (F1 to F4 and K1 to K4) for calling freely programmable, generally
valid standard functions. The green LEDs embedded in keys K1 to K4 can be
driven by the PLC.
All eight function keys may alternatively be configured as soft keys. Each of
these keys can be configured with different functions for the various screens.
22 keys for calling universally valid, standard functions (keypad, arrow keys,
etc.).
The OP7 operates without a battery and is therefore maintenance-free. Oper-
ating data are retained in a non-volatile state in the flash memory on the OP.
1 x RS232/TTY for connecting to the PLC/computer/printer
1 x RS422/485 for connecting to the PLC/computer
Maintenance-free electronic fuse.
The OP7 is upwards compatible with the OP5. All cabling can be continue to
be used. Existing OP5 configurations can be converted automatically for the
OP7 by means of the ProTool configuration software.
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