Rockwell Automation 20-COMM-D DeviceNet Adapter Series B FRN 2.xxx - Manual (Page 198)

C-4 DeviceNet Objects
20-COMM-D DeviceNet Adapter User Manual
Publication 20COMM-UM002G-EN-P
Register Object Class Code
Services
Instances
Class Attributes
Not supported.
Instance Attributes
Important: Setting a Register object attribute can only be done through a
connection with a non-zero expected packet rate (EPR). This
feature prevents accidental control of a DPI device.
Hexadecimal Decimal
0x07
7
Service Code Implemented for: Service Name
Class Instance
0x0E Yes Yes Get_Attribute_Single
0x10 Yes Yes Set_Attribute_Single
Instance Description
1 All polled data being read from the DPI device (read-only)
2 All polled data written to the DPI device (read/write)
3 Logic Status and Feedback data (read-only)
4 Logic Command and Reference data (read/write)
5 Datalink A (input data from device to scanner) (read only)
6 Datalink A (output data from scanner to device) (read/write)
7 Datalink B (input data from device to scanner) (read only)
8 Datalink B (output data from scanner to device) (read/write)
9 Datalink C (input data from device to scanner) (read only)
10 Datalink C (output data from scanner to device) (read/write)
11 Datalink D (input data from device to scanner) (read only)
12 Datalink D (output data from scanner to device) (read/write)
13 Logic Status and Feedback Data (read-only)
14 Mask (1) (read/write)
(1) The mask command word is set to the value of the first word of the data where there are ones in the
second word of the data. Command = (word 1 and not word 2) or (word 1 and word 2). This only controls
specified bits in the Logic Command data to the DPI product and does not change the Reference value.
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 = Producer Register (drive to network)
1 = Consumer Register (network to drive)
3 Get Size UINT Size of register data in bits
4 Conditional (1) Data ARRAY of BITS Data to be transferred
(1) For this attribute, the Access Rule is Get if Direction = 0. The Access Rule is Set if Direction = 1.