Compatibility; Upward Compatibility Of Circuit Programs - Siemens Logo! Manual

LOGO! program module (card)

Compatibility

... to current versions (0BA4 and 0BA5 devices):
Data written to the program module (card) in a 0BA4 ver-
sion can be read in all 0BA4 and 0BA5 versions.
Data written to the program module (card) in a 0BA5 ver-
sion can be read in all 0BA5 versions.
... to earlier versions (0BA0 to 0BA3 devices):
A program module (card) that contains data written in ear-
lier versions (0BA0...0BA3 devices) can not be used in
LOGO! devices of the 0BA4 or 0BA5 generation. When the
LOGO! system detects such an 'old' program module
(card), the message "Unknown Card / Press ESC" is output
to the display.
Vice versa, an 0BA4 or 0BA5 program module (card) can
not be used in LOGO! devices of the 0BA0...0BA3 family.

Upward compatibility of circuit programs

Circuit programs written for the previous versions
0BA0...0BA3 can only be applied in 0BA4 or 0BA5 units by
means of LOGO!Soft Comfort.
246
LOGO! Manual
A5E00380835-01