
7 Communication Between the CPU and the IP 266
7.1 Output Frame (PLC CPU IP 266) . . . . . . . . . . . . 7 - 2
7.1.1 Byte 0: Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7- 4
7.1.2 Byte 1: Commands . . . . . . . . . . . . . . . . . . . . . . . . . 7- 5
7.1.3 Byte 2: Program Number, Reference
Point or EEPROM RAM Parameters . . . . . . . . 7 - 7
7.1.4 Byte 3: Override Factor . . . . . . . . . . . . . . . . . . . . . 7 - 7
7.1.5 Bytes 4 to 7: Positioning Specifications . . . . . . . 7 - 8
7.1.6 Example of a Complete Output Frame . . . . . . . 7 - 11
7.2 Input Frame (IP 266 PLC CPU) . . . . . . . . . . . . . 7 - 12
7.2.1 Byte 0: Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7- 14
7.2.2 Byte 1: M Function . . . . . . . . . . . . . . . . . . . . . . . . 7 - 14
7.2.3 Byte 2: Status Bits . . . . . . . . . . . . . . . . . . . . . . . . . . 7- 15
7.2.4 Byte 3: Error Flags . . . . . . . . . . . . . . . . . . . . . . . . . 7- 18
7.2.5 Bytes 4 to 7:Input Values for the
Monitoring Functions . . . . . . . . . . . . . . . . . . . . . . 7 - 19
1 System Overview
2 Technical Description of the IP 266
3 Installation Guidelines
4 Fundamentals of Positioning
5 Machine Data, Modes and Traversing Programs
6 Fundamentals of COM 266
8 Start-Up
9 STEP 5 Programming
10 Troubleshooting
EWA 4NEB 812 6057-02
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