Siemens IP-Module Manual Pagina 248

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IP 266 Communication Between the CPU and the IP 266
Table 7-3. Overview of the Output Frame
1 Bit 7
0 Mode codes
TOGGLE
Bit 6
0
Bit 5
0
Bit 4
TRANS
Bit 3
REV
Bit 2
FWD
Bit 1
STOP
Bit 0
START
Byte Description
Recommen-
ded data
format
KM
2 Byte parameter for various modes KM/KF
KF
3 Override factor KF
4
5
Binary-coded:
16-bit fixed-point number with sign (bit 7 in byte 4) for forwarding the
integer digits in the value to the IP 266.
BCD:
byte 4, bits 4 to 7: sign of the BCD number
byte 4, bits 0 to 3 and
byte 5, bits 0 to 7: 3 BCD digits
KF
KH
6
7
Binary:
16-bit binary number for forwarding the decimal digits to the IP 266.
BCD:
byte 6, bits 4 to 7: least-significant integer
byte 6, bits 0 to 3 and
byte 7, bits 0 to 7: three decimal digits in the BCD number
KF
KH
EWA 4NEB 812 6057-02
7-3
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