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Connection with System Devices
In addition to the WJ-MPU955A, other system devices are
required in order to form the GX System.
I System Controllers
A system controller is an operator console, and it provides
a user interface for operators to interact with the GX
System. The system can support up to 64 system con-
trollers.
G Ethernet-Based Controllers
To apply Ethernet communication, connect system con-
trollers to the CPU's Ethernet port through an Ethernet hub
in an IP-based local area network.
G Ethernet-Based Controller Setup
To add system controllers to the system in Ethernet com-
munication, add an entry to the system controller database
through the admin console. You need to assign a controller
ID for each controller, and enter the Ethernet address from
the bottom of each controller.
Note: Refer to the Admin Console User's Guide for details.
CAUTION
ATTENTION
10/100 BASE-T
172.18.0.1
10BASE-T/100BASE-TX
SYSTEM
SYSTEM
OTHER
CONTROLLER
DEVICE
WV-CU
Set as shown below.
950
OFF
ON
1
28
System Controller
(Ethernet)
CONTOROLLER
JOYSTICK
SERIAL
DATA
MODE
NO.
Refer to the diagram.
Switching HUB
SERIAL
2
1
WJ-MPU955A
MODE
CONTROLLER No.
Maintain the switch
setting as "1".
2
3
4
5
6
7
8
MODE
I Connections and Configura-
tions for Redundant System
Switching HUB
PC with
Admin Console
CAUTION-
CONNECT TO
SPECIFED CLASS 2 POWER
SUPPLY ONLY. SEE MANUAL
DC9V IN
G For Manual Switchover Operation
1. Connect the Ethernet cable between the SYSTEM
CONTROLLER ports of both CPUs.
POWER
(SERIAL ports are not used for MANUAL operation.)
ON
SIGNAL GND
OFF
AC IN
2. Set the REDUNDANT YES/NO selector to YES, and set
the REDUNDANT AUTO/MANUAL selector to MANUAL
for both CPUs.
Note: If the REDUNDANT YES/NO and AUTO/MANUAL
10BASE-T/100BASE-TX
SERIAL
SYSTEM
SYSTEM
OTHER
2
1
CONTROLLER
DEVICE
9 pin D-sub, female-female
cross cable
(Not required for manual
switchover operation)
Note: Secure the connector
screws firmly to prevent cable
disconnection.
10BASE-T/100BASE-TX
SERIAL
SYSTEM
SYSTEM
OTHER
2
1
CONTROLLER
DEVICE
WJ-MPU955A
1
2
3
4
5
6
7
8
Frame
Shield
selector settings of both CPUs are mixed, the
redundant function does not work properly. In this
case, the ACTIVE indicator of either CPU blinks
fast (around 0.5 seconds on, around 0.5 seconds
off) during operation.
POWER
ON
SIGNAL GND
OFF
AC IN
WJ-MPU955A
POWER
ON
SIGNAL GND
OFF
AC IN
WJ-MPU955A
WJ-MPU955A
1
2
3
4
5
6
7
8
Frame
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