Mitsubishi Q12PRHCPU - CHAPTER4 PROCEDURE FOR STARTING UP A REDUNDANT SYSTEM

4
PROCEDURE FOR STARTING UP A REDUNDANT
SYSTEM
4 - 1
1
OVERVIEW
2
SYSTEM CONFIGURATION
3
TRACKING CABLE
4
PROCEDURE FOR STARTING UP A REDUNDANT SYSTEM
5
REDUNDANT SYSTEM FUNCTIONS
6
REDUNDANT SYSTEM NETWORKS
7
PROGRAMMING CAUTIONS
8
TROUBLESHOOTING
CHAPTER4 PROCEDURE FOR STARTING UP A
REDUNDANT SYSTEM
(1) Procedure for starting up in backup mode
The standard procedure for starting up system A as the control system and system B
as the standby system of a redundant system in the backup mode is shown below.
Explanation of program and parameter creation is not provided here.
Mounting Modules
...Refer to
Section 4.1
Mount the power supply module, CPU module, network module, and I/O module to the main base
unit/extension base unit.
Wiring
...Refer to
Section 4.2
(1) Connect the power cable to the power supply module.
(2) Connect the battery connector to the CPU module battery connector.
(3) Connect the CPU modules with the tracking cable.
(4) When connecting the extension base unit, connect the main base unit and the extension
base unit by an extension cable.
(5) Connect the network wiring to the network module.
*1
(6) Connect the I/O module.
Module Initial Settings
...Refer to
Section 4.3
(1) Set the RUN/STOP switch of the CPU module to the STOP position.
(2) Set the RESET/L.CLR switch of each CPU module to the reset switch neutral position.
(3) Make switch settings for the MELSECNET/H module.
Checking that power supply of main base unit and extension base unit is ON
...Refer to
Section 4.4
(1) Check the following items and turn ON power supplies of the power supply modules of the
main base units and extension base units simultaneously.
•Wiring of power supply
•Power supply voltage
•RUN/STOP switch position of system A/system B CPU module: STOP
•RESET/L.CLR switch position of system A/system B CPU module: Reset switch neutral
(2) Check that "POWER" LEDs of the power supply modules of the main base unit and the
extension base unit in the systems A and B are turned ON (green).
Checking System A/System B
...Refer to
Section 4.5
Check system A and system B by the "SYSTEM A" / "SYSTEM B" LED of each CPU module.
*2
Start