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API functions 3

 23

3.5 Status description of the backplane bus (state machine)

The switch-on procedure in the backplane bus is effected in several steps.

Status Transition Description

1. Init Initialisation of the peripherals, automatic transition to

the PreOperational state, and setting a status bit.

No PDO & SDO communication

2. PreOperational SDO communication possible

- Reception of configuration data for the individual

terminals

- Waiting for the "Start“ telegram, or repeated "Config“

L-force Controller -> BPB controller

- Transmission of the terminal data to the IPC

3. Operational



SDO & PDO communication possible

3.6 Error codes

The pro

gramming interface returns the following possible error codes. Errors are

returned as a bit mask, i.e. several error codes can be linked with each other in each

case.

Error list for the status register

(Error byte in the status register)

Error number Category Source Description

Dec Hex

0 0 - - No error; ok

11 B Warning BPB controller Synchronisation: DPRAM lock register

12 C Warning BPB controller Result FIFO full

31 1F Warning BPB driver Synchronisation: DPRAM lock register

32 20 Warning BPB driver Timeout: Reset

33 21 Warning BPB driver Timeout: ErrorReset

96 60 Error BPB controller Error during creation of group 1

97 61 Error BPB controller Error during creation of group 2

98 62 Error BPB controller Error during creation of group 3

99 63 Error BPB controller Groups ok, but cycle time not sufficient

100 64 Error BPB controller Error during processing the master queues

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Lenze 3241C Bedienungsanleitung Seite 25