Watlow Series SD6 PID Controller with DeviceNet Addendum Manual do Utilizador descarregar pdf (Página 20)

Watlow Series SD6 PID with DeviceNet ■ 20 ■

Table 26. Operational Object Class Attributes

Table 27. Operational Object Instance Attributes

Attribute # Access

Rule

Name DeviceNet

Data Type

Description of Attribute Semantics of Values

100 Get/Set Calibration Offset DINT Offset the input reading. -999 to 999 (x 1000)

(default = 0)

101 Get/Set Autotune BOOLEAN Start an Autotune. (0) OFF (default)

(1) ON

102 Get/Set Auto-Manual Mode BOOLEAN Set the control mode. (0) Auto (default)

(1) Manual

103 Get Power Heat UINT Displays the current heat con-

trol power.

0.0 to 100.0%

104 Get Power Cool UINT Displays the current cool con-

trol power.

0.0 to 100.0%

105 Get/Set Heat Control Method USINT Set the heat control method. (0) OFF

(1) PID (default)

(2) ON/OFF

Attribute # Access

Rule

Name DeviceNet

Data Type

Description of Attribute Semantics of Values

1 Get Revision UINT Revision of this object The revision level of this

object (currently 1)

2 Get Max Instance UINT Max allowed Instances Always 1 for this Class

Class Services:

• 0x0E GET ATTRIBUTE SINGLE

Instance Services:

• 0x0E GET ATTRIBUTE SINGLE

• 0x10 SET ATTRIBUTE SINGLE

NOTE: All successful Explicit Message Responses from

a SET service will contain no data. The response will be

a two-byte message containing the requester’s MAC ID

and Service Code (with R/R bit set).

Operational Object

Class Code: 66hex

Operational Object

The Operational Object access parameters used during nor-

mal day-to-day operation.

Table 25. Revision History

Revision Description

01 Initial Release

1 2 ... 15 16 17 18 19 20 21 22 23 24 25 ... 31 32

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