Rockwell-automation 1769-SM2 Compact I/O DSI/Modbus Communication Modu Manual de usuario descargar pdf (Pagina 145)

ControlLogix w/1769-ADN DeviceNet Example Ladder Program 8-15

Figure 8.19 Example ControlLogix Ladder Logic CH1 Subroutine

1769-SM2 Channel 1 Subroutine

The following rungs display some of the Logic Status bits from the drive. Refer to Appendix D in the 1769-SM2 user manual

for additional information about the Logic Status word.

SM2_Input_Data[3].0 CH1_Ready

SM2_Input_Data[3].1 CH1_Active

SM2_Input_Data[3].3 CH1_Forward

SM2_Input_Data[3].7 CH1_Fault

SM2_Input_Data[3].8 CH1_At_Speed

This rung displays the Feedback from the drive. An integer represents the xxx.x Hz format (decimal is implied) used by the

drive, so a displayed value of "300" equates to 30.0 Hz.

Move

Source SM2_Input_Data[4]

100

Dest CH1_Feedback

100

MOV

The following rungs display some of the Logic Command bits sent to the drive. Refer to Appendix D in the 1769-SM2 user

manual for additional information about the Logic Command word.

CH1_Stop SM2_Output_Data[1].0

This rung unlatches the contact that turns on the Start command when the drive is not communicating with the 1769-SM2.

This prevents the drive from immediately starting when communications are restored. If an immediate start is desired for an

application, this rung could be deleted.

CH1_Valid_Data

<SM2_Input_Data[2].0>

CH1_Start

CH1_Start SM2_Output_Data[1].1

CH1_Jog SM2_Output_Data[1].2

CH1_Clear_Fault SM2_Output_Data[1].3

1 2 ... 140 141 142 143 144 145 146 147 148 149 150 ... 203 204

Sin comentarios

Rockwell-automation 1769-SM2 Compact I/O DSI/Modbus Communication Modu Manual de usuario Pagina 145