Program the ladder (continued) – Rockwell Automation 160 DEVICENET (DN1) MODULE FRN 1-2.XX User Manual

Page 51

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Publication 0160-5.5 - September 1997

6-16

Using 160-DN1 with DeviceNet Scanner

Program the Ladder (Continued)

Figure 6.1
Polled I/O Messaging

0000

Enable the 1747-SDN Scanner.

This rung clears a fault if the drive is faulted.

Bul 160 Faulted Bit

I:2

1747-SDN Run Bit

0001

Bul 160 Reset fault
Bit

1747-SDN

1747-SDN

1747-SDN

O:2

O:2

0

18

16

1747-SDN

1747-SDN

16

16

This rung starts the drive running forward when either the drive is not running or if the drive is at speed and running in reverse.

Bul 160 Faulted Bit

Bul 160 At Reference

Bul 160 At Reference

Bul 160 Net Control

Bul 160 Net Ref

Bul 160 Speed
Command

I:2

0002

O:2

L

U

1747-SDN

19

Bul 160 Running
Reverse

Bul 160 Running
Reverse

Bul 160 Running
Forward Bit

Bul 160 Run
Forward Bit

I:2

1747-SDN

18

I:2

1747-SDN

17

Bul 160 Run Reverse
Bit

Bul 160 Run Reverse
Bit

Bul 160 Run Forward
Bit

O:2

1747-SDN

23

I:2

1747-SDN

19

I:2

1747-SDN

1747-SDN

17

16

This rung sends a run reverse command to the drive when the drive is running forward and is at speed.

Bul 160 Faulted Bit

I:2

0003

O:2

L

U

1747-SDN

23

Bul 160 Running
Forward Bit

I:2

1747-SDN

18

I:2

1747-SDN

16

O:2

1747-SDN

21

This rung sets the net reference and net control bits and sends a speed command of 1800 RPM.

0004

O:2

L

L

0005

END

1747-SDN

22

Mov

Move
Source

Dest

1800
1800<
O:2.2
1800<

O:2

Important: The 1747-SDN scanner card is located in slot 2 of the SLC rack for this example.

Important: The Bulletin 160SSC drive Stop Input (TB3-7, TB3-8) must be jumpered together to start
the drive.

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