Rockwell DF1

Estimated reading time: 3 minutes

Refer to these sections for details:

Supported Series

Rockwell Automation Allen-Bradley MicroLogix 1000, 1100, 1200, 1400, 1500, SLC 5/01, 5/02, 5/03, 5/04, 5/05. 

Websitehttp://ab.rockwellautomation.com/

Note: Allen-Bradley DF1 drivers use CRC checksum.

PLC Connection Settings

Parameters Recommended Options Notes
PLC Type Rockwell DF1
PLC Interface RS232



Baud Rate 19200 9600, 19200, 38400
Data Bits 8 8
Parity None Even, Odd, None
Stop Bits 1 1
HMI Station # 0

PLC Station # 1 1~31

PLC Configuration

The setup shown here is for the Rockwell Automation Allen-Bradley DF1 PLC.

Communication Mode:
DF1 Full Duplex protocol 19200, None, 8, 1 (default)

Error Check: CRC

OT Link Platform DeviceHub Configuration

To configure DeviceHub for this DF1 PLC:

  1. DeviceHub > Add Device
    Type: Allen-Bradley
    Driver: AB DF1

  2. Enter details specific to your environment and click Add Device.

Device Addresses

Bit/Word

Device Type

Format

Range

Description

B

I

DDDdd

0 ~ 25515

Input (I)

B

O

DDDdd

0 ~ 25515

Output (O)

W S DDD

0 ~ 255

Status (S)

B

B3

DDDdd

0 ~ 25515

Bit data file (B3)

B

Bfn

FFFDDDdd

10000 ~ 25525515

Bit data file (B3, 10 - 254)

W T4.ACC DDD 0 ~ 255
W T4.PRE DDD 0 ~ 255
W Tfn.ACC FFFDDD 1000 ~ 255255
W Tfn.PRE FFFDDD 1000 ~ 255255
W C5.ACC DDD 0 ~ 255
W C5.PRE DDD 0 ~ 255
W Cfn.ACC FFFDDD 1000 ~ 255255
W Cfn.PRE FFFDDD 1000 ~ 255255
W R6 DDD 0 ~ 255
W R6.POS DDD 0 ~ 255
W R6.LEN DDD 0 ~ 255
W Rfn FFFDDD 0 ~ 255255
W Rfn.POS FFFDDD 0 ~ 255255
W Rfn.LEN FFFDDD 0 ~ 255255
W N7 DDD

0 ~ 255

Integer data file (N7)
W Nfn FFFDDD

1000 ~ 255999

Integer data file (N7, 10 ~ 254)
W Lfn FFFDDD

1000 ~ 255999


W F8 DDD

0 ~ 255

Floating point data file (F8)
W Ffn FFFDDD

1000 ~ 255999