Devicenet object, Table 5. identity object instance attributes, Table 6. devicenet object revision history – Watlow Series SD6 Limit With Devicenet User Manual

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Wa t l o w S e r i e s S D 6 L i m i t w i t h D e v i c e N e t

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Table 5. Identity Object Instance Attributes

Class Services: NONE

Instance Services:

• RESET (O,1)

GET ATTRIBUTE SINGLE

DeviceNet Object

Class Code: 03hex

The DeviceNet Object is used to provide the configuration
and status of a physical attachment to DeviceNet.

The MACID attribute provides the network address for the
device. If the rotary switches used to specify the device
MACID are set to a valid MACID, i.e. a value from 0 to 63,
the MACID attribute shall have Get Only access. If the
rotary switches are set to the programmable mode, the
MACID attribute shall have Get and Set access.

The Baud Rate attribute specifies the data rate for the
device. If the rotary switch used to set the data rate speci-
fies a valid data rate, i.e. 125, 250, or 500K Baud, the Baud

Rate attribute shall have Get Only access. If the rotary
switches are set to the software programmable mode, the
MACID shall have Get and Set access.The Allocate
Master/Slave Connection Set service of the DeviceNet
object shall be a required service for all devices. This
implies a requirement that all devices are Group 2 devices
on the DeviceNet network. Additionally, all devices shall
support, as a minimum, the Explicit connection and the I/O
Poll connection in the Master/Slave connection set.

The Release Master/Slave Connection Set service of the
DeviceNet object shall be a required service.

Table 6. DeviceNet Object Revision History

Revision

Description

Initial Release

Modification of Baud Rate Attribute
Behavior

Attribute #

Access Rule

Name

DeviceNet
Data Type

Description of
Attribute

Semantics of
Values

Get

Vendor ID

UNIT

Identification of each
vendor by number.
Watlow's Vendor ID 153