154 GE INFORMATION D400 SUBSTATION GATEWAY INSTRUCTION MANUAL
CHAPTER 12: USING THE D400 LOCAL CONFIGURATION UTILITY
Redundancy
If you are configuring your D400 for use within a redundant setup, you can configure
redundancy application settings through the
Redundancy menu. The Redundancy
settings are described in
Table 47.
Table 47: Redundancy setting descriptions
Setting Description
Current Configuration Use this command to view the current redundancy configuration.
Enable/Disable Redundancy Use this function
to enable or disable redundancy functionality within the D400.
Redundancy Type
The available types of redundancy that can be configured are:
• Warm Standby
• Hot Standby (Default)
Note: This configuration parameter must be set to the same value
on both D400s.
Heart Beat Configuration Configure Heart Beat Timeout
The interval within which the D400 must receive at least one
message or heartbeat from the other D400. The valid range is 100 to
1000 msec; the default is 300 msec.
Note: This configuration parameter must be set to the same value
on both D400s.
Configure heart Beat retries
Use this function to set the number of times the D400 re-transmits a
heartbeat message before assuming that the other D400 has failed.
The valid range is 1 to 10; the default is 3.
Note: This configuration parameter must be set to the same value
on both D400s.
Configure Heart Beat Communication Mechanism
Select the heartbeat communication option:
1. Single LAN (Default)
2. LAN1 and LAN2
3. LAN and Serial
4. LAN1, LAN2 and Serial
Note: This configuration parameter must be set to the same value
on both D400s
Note: This parameter is only applicable for Hot Standby
redundancy. If the heartbeat communication option includes a serial
link, then a primary and an optional backup serial port must be
configured on the Connection configuration page of online HMI.
In the case of Warm Standby redundancy, the heartbeat
communication option is fixed to serial only.
Configure IP Address of PEER
D400
Use this function to set the unique IP address of the other D400
device configured within the redundant system. If the PEER D400
has a second Ethernet interface, you can configure it as well.
The maintenance IP addresses of the PEER D400 must be entered
here (see the
Ethernet Connections topic in the D400 online help.
Username of PEER D400 Use this function to enter the username of an administrator user
account on the peer D400 unit (see Administrator Group Users). This
parameter value should be the same on both D400 units. This setting
is used in conjunction with the authentication mechanism defined in
section:
“Configure authentication” on page 136.
Note: Both D400s must be configured with the same
authentication mode (i.e., either Local or Remote). The peer
username should be reconfigured when the authentication mode
changes from local to remote and vice versa.
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