Instance data format (continued), Output assemblies (continued) – Rockwell Automation 160 DEVICENET (DN1) MODULE FRN 1-2.XX User Manual

Page 81

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Publication 0160-5.5 - September 1997

B-20

DeviceNet Information

Instance Data Format (Continued)

Output Assemblies (Continued)

Net Ref has higher priority than Net Control. Therefore, if Net Ref is set, presets are ignored.

For Preset Speed Units: Net Ref determines if speed reference comes from the network or preset speeds.

0 = 0 Hz, 32767 = Maximum Frequency (Hz)

The following table indicates the I/O Assembly Data Attribute map-
ping for Output Assemblies.

Instance 101 Data Format (Preset Control) (Preset Speed Units Only)

This output assembly type is only available for use with Preset Speed Units.

Byte

Bit 7

Bit 6

Bit 5

Bit 4

Bit 3

Bit 2

Bit 1

Bit 0

0

Fault Reset

RunRev

RunFwd

1

DN Preset Cmd

(DN Preset Cmd contains these three bits)

Preset 2

Preset 1

Preset 0

Instance 103 Allen-Bradley Drive Output Assembly (Available with Communication Module version 2.00 and later)
This output assembly mirrors the 1305/1336 IO format.

Byte

Bit 7

Bit 6

Bit 5

Bit 4

Bit 3

Bit 2

Bit 1

Bit 0

0

N/A

N/A

Direction

Direction

Clear Faults

N/A

Start

Stop

1

N/A

Reference
Select

Reference
Select

Reference
Select

N/A

N/A

N/A

N/A

2

Scale Speed Reference (Low Byte)

3

Scale Speed Reference (High Byte)

Direction

Reference Select

Bit 5 Bit 4

Bit 14 Bit 13 Bit 12

0

0

No Command

0

0

0

No Command Select

0

1

Forward Command

0

0

1

TB3 Control

1

0

Reverse Command

0

1

0

Network Control

1

1

Hold Direction Cmd

0

1

1

Preset 3

1

0

0

Preset 4

1

0

1

Preset 5

1

1

0

Preset 6

1

1

1

Preset 7

Data Component Name

Class

Instance

Attribute

Name

Number

Number

Name

Number

RunFwd

Supervisor

29hex

1

RunFwd

3

RunRev

Supervisor

29hex

1

RunRev

4

Fault Reset

Supervisor

29hex

1

FaultRst

11

NetCtrl

Supervisor

29hex

1

NetCtrl

5

DN Preset Cmd

Supervisor

29hex

1

DNPresetCmd

102

NetRef

AC Drive

2Ahex

1

NetRef

4

Speed Reference

AC Drive

2Ahex

1

SpeedRef

8

Internal Frequency

160 Param

B3

1

Internal Freq

58

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