
IP 266 Communication Between the CPU and the IP 266
7.1.3 Byte 2: Program Number, Reference Point or
EEPROM
RAM Parameters
The contents of this byte depend on the specified mode.
In modes 5, 8, 9, 10 and 26, byte 2 is used as byte parameter. It is irrelevant in all
other modes.
KM FORMATMode Use
5 Reference point:
Bit 0 = 0 : approach
Bit 0 = 1 : set
X: variable; bit 1 to 7 irrelevant
2
KF FORMAT
7 6 5 4 3 1 0
0 0 0 0 0 0 0 X
8
9
10
Number of the machining
program
Example:
KF = +7
Program no. 7
26 Direction of data transfer:
IP EEPROM
IP RAM
Bit 0 = 0 : RAM EEPROM
1 : EEPROM RAM
0 0 0 0 0 0 1
Example: This bit combination is
used to transfer data from the
IP 266's EEPROM to IP RAM, i.e.
the current RAM contents are
overwritten.
0
7.1.4 Byte 3: Override Factor
Byte 3 is the second of the byte parameters, and contains the override factor. A
valid value must be entered in this byte for all modes which allow modification of
the
speed via an override factor. The value must be in the range from 1% to 200%,
and should be entered in KF (fixed-point constant) format if possible. The over-
ride factor is transferred in byte 1 to the IP 266 with "TRANSFER".
EWA 4NEB 812 6057-02
7-7
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