Pilz ST SB DP S, SW paket PROFIBUS-DP Manual de usuario descargar pdf (Pagina 33)

PROFIBUS-DP-Slave Operating Manual 6-1

Standard Function Blocks

SB 230

Function

• Communication between the PSS and PROFIBUS-DP-Slave

• Trigger a Slave reset

• Trigger static diagnostics

Block Header

SB230

DP-SLAVE

W- BASE ERR -W

B- DB

B- MODE

W: Word, B: Byte

Parameters

• Input parameters

- BASE: Module's start address (Offset)

The module occupies 1024 words after the start address.

These words may not be accessed.

- MODE: = 01: Static diagnostics

= 02: Reset:

All other values: Data exchange (Data_exchange):

- DB: Data block

• Output parameters

ERR: Error message (see table below)

ERR (hex) Key Cause/Remedy

0001 DP_SL_ERR_DPS2_LENGTH Total length calculated for diagnostic,

parameter, input and output data is too

high; reduce the data length!

0002 DP_SL_ERR_DPS2_INIT Hardware initialisation error;

Change PSS(1) DP-S module or

PSS SB 3006 DP-S

1 2 ... 28 29 30 31 32 33 34 35 36 37 38 ... 42 43

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Pilz ST SB DP S, SW paket PROFIBUS-DP Manual de usuario Pagina 33