Watlow Series SD6 PID Controller with DeviceNet Addendum Manual do Utilizador descarregar pdf (Página 12)

Watlow Series SD6 PID with DeviceNet ■ 12 ■

Table 21. Home Object Instance Attributes

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).

Setup Object

Class Code: 65hex

The Setup Object provides access to parameters that define

controller functions.

Table 22. Setup Object Revision History

Revision Description

01 Initial Release

Attribute # Access

Rule

Name DeviceNet

Data Type

Description of Attribute Semantics of

Values

100 Get Process Value DINT Current process value -1999 to 9999

(*1000), °C or units

101 Get/Set Closed Loop Set

Point

DINT Current closed loop set point Range is from set

point low limit to set

point high limit

102 Get Filtered Process

Value

DINT Filtered process value -1999 to 9999

(*1000), °C or units

103 Get/Set Open Loop Output

Power

INT Current open loop output power (used

in manual mode)

-100.0 to 0.0% (*100)

if any output is set to

cool; 0.0 to 100.0%

(*100) if any output is

set to heat

104 Get Current Ramp Set

Point

DINT Current working control set point for

the ramp that is in process

-1999 to 9999

(*1000), °C or units

106 Get Input Error UINT There is an analog input error (0) No error

(1) Error

107 Get Alarm Low 1 Status BOOLEAN There is an alarm 1 low side alarm (0) None

(1) Alarm

108 Get Alarm High 1 Status BOOLEAN There is an alarm 1 high side alarm (0) None

(1) Alarm

109 Get Alarm Low 2 Status BOOLEAN There is an alarm 2 low side alarm (0) None

(1) Alarm

110 Get Alarm High 2 Status BOOLEAN There is an alarm 2 high side alarm (0) None

(1) Alarm

1 2 ... 7 8 9 10 11 12 13 14 15 16 17 ... 31 32

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