Siemens IP-Module Manual Pagina 263

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Communication Between the CPU and the IP 266 IP 266
Example 2:
The IP 266 receives a request to position the axis in a controlled mode (mode 1, 2
or 7). All status data is returned in binary. The machine data is correct. There is no
reference point.
The IP 266 returns the following in byte 2:
Byte Bit 7
1
Bit 6
0
Bit 5
1
Bit 4
0
Bit 3
1
Bit 2
1
Bit 1
0
Bit 0
12
Job is in progress
Machine data is OK
No reference point
Teach-In off
Controller is on
Axis is in position
BCD-coded data
IP 266 is synchronized
7.2.4 Byte 3: Error Flags
IP 266 errors are flagged in bits 0 to 4 of byte 3. The error code is right-justified
and in binary. Use KH (hexadecimal constant) format to read the error code. You
will find a list of error messages in Section 10.
The error codes forwarded to the PLC are identical to those output by COM 266.
7-18
EWA 4NEB 812 6057-02
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