Rockwell-automation 25-COMM-D PowerFlex 525 DeviceNet Adapter Manual de usuario descargar pdf (Pagina 105)

Rockwell Automation Publication 520COM-UM001A-EN-E - April 2013 105

DeviceNet Objects Appendix C

Class Attributes

Instance Attributes

Attribute ID Access Rule Description

1 Read Revision

2 Read Maximum Instance

3ReadNumber of Instance

100 Read/Write Timeout

Attribute ID Access Rule Name Data Type Description

1 Get Bad Flag BOOL If set to 1, then attribute 4 may contain invalid data.

0 = good

1 = bad

2 Get Direction BOOL Direction of data transfer

0 = Produce Register (drive to network)

1 = Consume Register (network to drive)

3 Get Size UINT Size of register data in bits

4 Conditional

(1)

(1) The access rule of Set is optional if attribute 2, Direction = 1. If Direction = 0, the access rule is Get.

Data Array of Bits Data to be transferred

IMPORTANT

Setting the “Data” instance attribute can be done only when the Control

Timeout (class attribute 100) has been set to a non-zero value.

1 2 ... 100 101 102 103 104 105 106 107 108 109 110 ... 139 140

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Rockwell-automation 25-COMM-D PowerFlex 525 DeviceNet Adapter Manual de usuario Pagina 105