VAT 615 Series

Installation, Operating & Maintenance Instructions
Series 615 DN 40 (I.D. 1½”), DeviceNet
VAT Vakuumventile AG, CH-9469 Haag, Switzerland
Tel +41 81 771 61 61 Fax +41 81 771 48 30 CH@vatvalve.com www.vatvalve.com
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2013-07-25
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4.14 Definition of terms
Term
Description
Attribute ID
An integer identification value assigned by ODVA to an attribute
BYTE
Data type; 8 bit string
CAN
Control Area Network: specification of physical layer signaling and media access control in
DeviceNet
Class Code
An integer identification value assigned by ODVA to each object; specified as an 8-bit integer
Data Type
The kind of data value used to represent an attribute or service; all data types are defined in [1]
Full Scale (FS)
Range
The defined 100% value of an attribute, in its assigned units
INT
Data type; signed 16 bit integer value between -32,768 and +32,767
Instance ID
An integer identification value assigned by ODVA to an instance; this integer is unique within the
object and MAC ID in which it resides
LSB
Least significant bit
MAC ID
Node address; an integer identification value assigned to each node on the DeviceNet network
MSB
Most significant bit
Object
A representation of a particular component within a product
ODVA
Open DeviceNet Vendors Association
REAL
Data type; 32-bit floating point value, conforming to IEEE 754 basic single floating point format
MSD
Most significant digit
LSD
Least significant digit
Set Point
The flow value to which the device is controlling the flow of gas