Manual

2 tira40e1 (2005-04) BCG450SDv1.cp

This Communication protocol contains instructions for operating the vacuum gau-

ges BCG450-SD (featuring DeviceNet interfaces) as slaves together with a

DeviceNet master.

This manual describes the functionality of DeviceNet for programming

purposes. For more information refer to the "DeviceNet specifications" of

the Open DeviceNet Vendor Association (ODVA) (→  [2]) and the cor-

responding european standard (→  [3]).

For specifications and operation instructions of the vacuum gauges refer

to the appropriate documents:

BCG450-SD →  [1], [4], [5], [6]

The following description of the DeviceNet Interface is compliant to the DeviceNet

specification of the Open DeviceNet Vendor Association.

This manual describes the functionality of a DeviceNet Group 2 Only Slave and

supports Explicit Messaging and the I/O Polling.

We reserve the right to make technical changes without prior notice.

Abbr. Meaning

NV Nonvolatile; attribute value is maintained through power cycles

V Volatile

INT Integer value (Range –32767 … 32768)

UINT Unsigned integer value (Range 0 … 65635)

USINT Unsigned character value (Range 0 … 255)

FLOAT Floating point value (Range according to IEEE 754)

Hexadecimal number (Radix = 16)

Decimal number (Radix = 10)

Binary number (Radix = 2)

DeviceNet™ Open DeviceNet Vendor Association Inc.

Intended Use

of this Document

DeviceNet Interface

Abbreviations

Trademarks