beautypg.com

1779 kp5 diagnostic status bytes – Rockwell Automation 1779-KP5_KP5R ORD.1779-5.3 User Manual

Page 60

background image

1779ĆKP5 Troubleshooting Tools

Chapter 6

6Ć5

Diagnostic status bytes contain information about the module, Data
Highway II, and Data Highway Plus.

To read the status bytes, you send a Diagnostic Status command from a
computer on your Data Highway II or Data Highway Plus network. For
information on how to read diagnostic status bytes, refer to the Data
Highway/Data Highway Plus Protocol and Command Set Reference
Manual (Publication 1770-6.5.16).

Diagnostic Status Bytes for Data Highway II

Data Highway II diagnostic status bytes can be read from an intelligent
device (computer) connected to your Data Highway II network. The
following table contains a list of the 1779-KP5’s diagnostic status bytes
for Data Highway II:

Byte

Number

Description

1

00 = Not Used

2

Interface/Processor Type

EE = See Expansion Bytes (Bytes 3 and 4)

3

Interface Type Expansion Byte

1A = 1779ĆKP5

4

Processor Type Expansion

Byte

16 = Data Highway II Information

5

00 = Not Used

6

Data Highway Plus Link

Number

01 = Link 1

02 = Link 2

Etc.

7

Data Highway II Link Number

01 = Link 1

02 = Link 2

Etc.

8

00 = Not Used

9, 10

00 = Not Used

11

Series and Revision

Bits 0Ć4

0 = Revision A

1 = Revision B

Etc.

Bits 5Ć7

0 = Series A

1 = Series B

Etc.

12

Option Switches

Bits 0Ć3: SWĆ5 Data Highway Plus Baud Rate

02 = 230 Kb

04 = 115 Kb

06 = 57.6 Kb

Bits 4Ć7: SWĆ4 Route Updates

00 = Route Updates Disabled

03 = Route Updates Enabled

1779ĆKP5 Diagnostic Status

Bytes