Rockwell Automation 1779-KP5_KP5R ORD.1779-5.3 User Manual
Page 61
1779ĆKP5 Troubleshooting Tools
Chapter 6
6Ć6
Diagnostic Status Bytes for Data Highway Plus
Data Highway Plus diagnostic status bytes can be read from an intelligent
device (computer) connected to your Data Highway Plus network. The
following table contains a list of the 1779-KP5’s diagnostic status bytes
for Data Highway Plus:
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
17 = Data Highway Plus Information
5, 6
00 = Not Used
7, 8
Address of Active Node Table
Byte 7 = Low Byte
Byte 8 = High Byte
9, 10
Diagnostic Counter Address
Byte 9 = Low Byte
Byte 10 = High Byte
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