HSBY Status
Original instructions
About us
Introduction
The HSBY Status web page provides this information about the Hot Standby system:
NOTE:
  • The local CPU is the CPU configured with the Main IP Address (primary) or Main IP Address + 1 (standby) used to access this web page.
  • The HSBY Status web page is refreshed every 5 seconds.
Open the Page
Access the HSBY Status page from the Diagnostics tab (Menu → Module → HSBY Status):
Diagnostic and Status Information
The HSBY Status web page provides this information:
Area
Description
Local/Remote
This area displays the state of Hot Standby settings for the local and remote CPUs:
<Hot Standby Role>
The Hot Standby system role of the CPU. Valid values include:
  • Primary
  • Standby
  • Wait
<Operating State>
The operating state of the CPU. Valid values include:
  • RUN
  • STOP
  • NoConf
  • HALT
A/B switch setting
The designation of the CPU, defined by the rotary switch on the back of the CPU. Valid values include:
  • A
  • B
<Run Mode>
The designation of the CPU, defined by the rotary switch on the back of the CPU. Valid values include:
  • Online
  • Wait
IP Address
The IP address used to communicate with the CPU for web page access:
  • For the primary Hot Standby CPU, this is the Main IP Address setting.
  • For the standby Hot Standby CPU, this is the Main IP Address setting + 1.
OS Firmware Level
Firmware version of the CPU operating system.
Sync Link Validity
The status of the Hot Standby link:
  • OK: the link is operational.
  • NOK: the link is not operational.
Supplementary Link Validity
The status of the Ethernet RIO link:
  • OK: the link is operational.
  • NOK: the link is not operational.
Detected Errors
Detected errors for the CPU, including:
  • HSBY link error detected
  • RIO link error detected (the connection between PAC A and PAC B over the Ethernet RIO network)
  • RIO error detected (the connection between a PAC and (e)X80 EIO adapter modules over the Ethernet RIO network.
General Errors
Detected errors for the Hot Standby system, including:
  • Application mismatch
  • Logic mismatch
  • Firmware mismatch
  • Data layout mismatch
  • Backup application mismatch
  • Safety logic mismatch (for safety PACs)