3 devicenet object instance attributes – Flowserve Limitorque MX DeviceNet Field Unit User Manual

Page 31

Advertising
background image

31

Limitorque MX DeviceNet Field Unit FCD LMENIM2328-00 – 11/05

flowserve.com

FailedTests

DeviceNet Limitorque Interface One or more of the following errors have been

detected during self-test of the DeviceNet

Limitorque Interface e.g.

- FLASH Checksum Error

- RAM Memory Test Error

Activated

SMT Main Board

Is_Active-Flag is TRUE

Deactivated

SMT Main Board

Is_Active-Flag is FALSE OR

EEPROM Checksum Error

Minor Fault

SMT Main Board

Conditions that can cause this event are e.g.

valve jam, overtemp, overtorque and phase loss.
This event is triggered if Attribute DI_Actuator_

Faults_1_Chan in Channel Object Class is ≠

0x00

Major Recoverable Fault

SMT Main Board

Conditions that can cause this event are e.g.

communication fault, power fault or Limiguard

fault of the SMT Main Board.
This event is triggered if Attribute DI_Actuator_

Faults_3_Chan in Channel Object Class is ≠

0x00

Major Unrecoverable Fault

DeviceNet Limitorque Interface Internal Diagnostic Fault detected e.g.

- Receive Queue Overrun

- Transmit Queue Overrun

- CAN Controller Overrun

4.4.3 DeviceNet Object Instance Attributes

Table 4.37 – DeviceNet Object Instance Attributes

Attribute

ID

Access Rule Name

Data

Type

Description of

Attribute

Semantics of Value

1

Get/Set

(NV-RW)

MAC ID

USINT

Node Address

Range 0 – 63

see also

Chapter 5.2.1

2

Get/Set

(NV-RW)

Baud Rate

USINT

Baud Rate

Range 0 – 2

3

Get/Set

(V-RW)

BOI

BOOL

Bus-Off Interrupt

4

Get/Set

(V-RW)

Bus-Off Counter

USINT

Number of times

CAN went to the

bus-off state

5

Get

(V-RO)

Allocation Information

STRUCT

of

Allocation Choice Byte

BYTE

See [2] Chapter 3-5

Master’s MAC ID

USINT

MAC ID of Master

(from allocate)

6

Get

(V-RO)

MAC ID Switch Changed

BOOL

The Node Address

Switch(es) have

changed since last

power-up/reset

0 = No Change

1 = Change since

last power-up

or reset

7

Get

(V-RO)

Baud Rate Switch Changed

BOOL

The Baud Rate

Switch(es) have

changed since last

power-up/reset

0 = No Change

1 = Change since

last power-up

or reset

8

Get

(NV-RW)

MAC ID Switch Value

USINT

Actual Value of

Node Address

Switch(es)

Range 0 – 99

9

Get

(NV-RW)

Baud Rate Switch Value

USINT

Actual Value of

Baud Rate

Switch(es)

Range 0 – 9

100

Get/Set

(NV/RW)

Autobaud

BOOL

Enable/Disable

Autobaud Detection

0 = Disable

1 = Enable (default)

Advertising