Functions - Siemens OP7 Equipment Manual

LCD
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.
Function keyboard
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.
Soft keys
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.
System keyboard
22 keys for calling universally valid, standard functions (keypad, arrow keys,
etc.).
Data buffer 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.
Interfaces
Fuse
Maintenance-free electronic fuse.
Compatibility
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.
Equipment Manual OP7, OP17
Release 04/99
1 x RS232/TTY for connecting to the PLC/computer/printer
1 x RS422/485 for connecting to the PLC/computer
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