Addi-Data APCI-8001 Manuale - Pagina 3

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NTERFACE

1 Introduction

The APCI-8001 / APCI-8008 control units can be optionally fitted with a CanBus interface. The CAN

bus is connected at connector P2. RWMOS.ELF operating system software which contains the

"optionMSM9255" option must also be used. The APCI-8001 / APCI-8008 can only act as a master

and does not have an object directory itself.

2 Functions of the CanBus option

2.1 Initialisation

Access to the CAN function is via the "universal object interface" of the APCI-8001 / APCI-8008.

The following values for the universal object interface must be applied when using the CanBus

interface.

Table 1: Object descriptor elements

Object descriptor

element

Handle

BusNumber

DeviceNumber

Index

SubIndex

Further information on the object descriptor elements can be found in the document

"Universal Object Interface".

Value

Must be initialised with 0 when starting the application or

after rebooting the control unit and is then managed/used

by the system.

For PCAP programming: After the resource functionality

is cleaned, the handles for all elements must be reset to

zero.

400

8000 0000 hex index/subindex according to Table 2

or DeviceNumber according to Table 3

Parameters of the respective function according to

Table 2 or 3.

Parameters of the respective function according to

Table 2 or 3.

Unless otherwise specified = 0