Publication 0160-5.18 - June 2003
DeviceNet Information B-25
Class Code 0x04 —
Assembly Objects (Continued)
Instance Data Format: Output Assemblies (Continued)
➀ Net Ref has higher priority than Net Control. Therefore, if Net Ref is set, presets are ignored.
➁ For Preset Speed Units: Net Ref determines if speed reference comes from the network or preset speeds.
➅ 0 = 0 Hz, 32767 = Maximum Frequency (Hz)
The following table indicates the I/O Assembly Data Attribute
mapping for Output Assemblies.
Instance 101 Data Format (Preset Control) (Preset Speed Units Only)
➀
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
➁➂
(acts like TB2-4
or SW3)
Preset 1
➁➂
(acts like TB2-2
or SW2)
Preset 0
➁➂
(acts like TB2-1
or SW1)
Instance 103 Allen-Bradley Drive Output Assembly
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
➃ Direction ➃ Clear Faults N/A Start Stop
1N/A
Reference
Select
➄
Reference
Select ➄
Reference
Select ➄
N/A N/A N/A N/A
2 Scale Speed Reference (Low Byte) ➅
3 Scale Speed Reference (High Byte) ➅
➂ Preset Speed ➃ Direction ➄ Reference Select
TB3-4
(SW3)
TB3-2
(SW2)
TB3-1
(SW1)
Bit 5 Bit 4 Bit 14 Bit 13 Bit 12
0 0 0 Preset 0 0 0 No Command 0 0 0 No Command Select
0 0 1 Preset 1 0 1 Forward Command 0 0 1 TB3 Control
010Preset 2 10Reverse Command 010Network Control
0 1 1 Preset 3 1 1 Hold Direction Cmd 0 1 1 Preset 3
100Preset 4 100Preset 4
101Preset 5 101Preset 5
110Preset 6 110Preset 6
111Preset 7 111Preset 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