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FX-3R Maintenance Guide 13-18 13-4-3. Position Board (40044540) [Functions] This POSITION board is applicable to the CP CI bus and intended to control servomotors through the SSCNET III, Mitsubishi Electric ’ s high-spee…
FX-3R Maintenance Guide
13-17
Rev. 1.00
13-4-2. CPU Board (40107372)
[Functions]
This is a circuit board that controls the equipment totally. This circuit board is connected to other
circuit boards by the Compact PCI (hereafter referred to as “cPCI”) bus.
[DIP switch settings]
This CPU board is used with the dip switch settings made before shipment.
[Meaning of LED]
PW: Shows the power supply status using the lighting status.
Lit in green.............Normal operation status
Flashing in green...Standby status
Off..........................Shutdown status
HDD: Flashes in green when accessing to the SSD.
RESET: Push switch with LED. This switch functions as the reset switch. The LED functions as
the Power ON LED.
Do not press this switch.
Lit in green.............Shows that the power is supplied.
Off..........................Shows that the power is not supplied.
[Replacement of battery]
A backup battery is mounted on the CPU board to save the BIOS settings.
Replace the battery at reference intervals of 5 years.
After the battery has been replaced, it is necessary to set up the BIOS.
[Adjustment items after replacement]
After the CPU board has been replaced, it is necessary to set up the BIOS.
Make the settings while referring to section 12-2-2, Setting Up the BIOS.
FX-3R Maintenance Guide
13-18
13-4-3. Position Board (40044540)
[Functions]
This POSITION board is applicable to the CPCI bus and intended to control servomotors
through the SSCNET III, Mitsubishi Electric’s high-speed synchronous communication network.
The POSITION board can control up to 32-axis servomotors per board.
The POSITION board is connected to the servo amplifier of each axis through daisy chain
connections of optical fiber cables.
c A command is received from the CPU board software to control the XYZθ-axis servomotor.
d The home position sensor and limit sensor of each axis are detected.
e An alarm is detected that occurs in the servo amplifier or magnescale.
f The emergency stop switch is detected to stop the XY-axis and Zθ-axis.
[Switch settings]
Since the FX-3R uses two position boards, the settings may vary depending on the position
board, which has been replaced.
The settings are shown below. ( portions show the switch positions.)
Change the settings
with the POS1 or
POS2 switch.
POS1
SW-1 ：OFF
SW-1 ：OFF
SW-1 ：OFF
SW-1 ：OFF
POS2
SW-1 ：ON
SW-1 ：OFF
SW-1 ：OFF
SW-1 ：OFF
POS1 POS2
Figure 13-4-3-1 DIP switch on Position Board
∗ POS1 switch is used for the left station while POS2 switch is used for the right station.
[Meaning of LED]
Operation indicator LED (Green): Lights up when the power is turned ON, flashes when the
system is started up, goes off when the power is shut-down.
Error indicator LED (Red): Off during normal operation, Lights up if an error occurs.
[Adjustment items after replacement]
There are no particular adjustment items.
Rev. 1.00
FX-3R Maintenance Guide
13-19
Rev. 1.00
13-4-4. cPCI-8994 Board (40048003)
[Functions]
This cPCI-8994 board is a communication board with the LNC60, a laser sensor.
The cPCI-8994 board performs the communication between the LNC60 and CPU board through
the IEEE1394a-2000 communication standards (also called “FireWire 400”).
Additionally, the power (DC+12V) is supplied to the LNC60 through the communication cable.
In addition to four IEEE 1394 ports, this board contains four RS232C ports to perform the
communication with the CVS or barcode reader.
[DIP switch settings]
There are no DIP switches on the cPCI-8994 board.
[Meaning of LED]
There are no LEDs on the cPCI-8994 board.
[Adjustment items after replacement]
There are no particular adjustment items.