DFI EC900-FS6 User manual

1
EC900-FS6 Installation Guide
Package Contents
• EC900-FS6 system unit
• 10-pole terminal block for RS-422/4-bit DIO
• 2-pole terminal block for RS-485
• 2-pole terminal block for power input
• DIN-rail bracket/screw pack
Panel
Rear View
Front View
DFI reserves the right to change the specications at any time prior to the product's release. For the latest revision and details of the
installation process, please refer to the user's manual.
LAN 2 LAN 1
Reset
Status LED
(green)
HDMI
USB 2.0
COM (RS485)
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Digital IO
(4-pin) RS422 (4-pin)
DC-in
Power (1-pin)
Ground (1-pin)

2
4. Lift the cover to open the system. The Mini PCIe socket is readily accessible
after removing the bottom cover.
Removing the Chassis Cover
Please observe the following guidelines and follow the procedure to open
the system.
1. Make sure the system and all other peripheral devices connected to it have
been powered off.
2. Disconnect all power cords and cables.
3. The 3 mounting screws on the rear and bottom sides of the system are used
to secure the cover to the chassis. Remove these screws and put them in a
safe place for later use.
Chassis screw
Mini PCIe socket
Micro SD slot
(on the back side)
Opening to SW5
(see page 6 below)

3
Installing a Mini PCIe Card
Note:
If installing a wireless module, place the antenna cable(s) on top of the Mini PCIe and route
the cables to the side of the chassis to reach the antenna holes.
The system board is equipped with 1 Mini PCIe slot that supports both PCIe and
USB signals.
1. Grasp the Mini PCIe card by its edges and align the notch of the PCIe card
with the key in the connector on the system board.
Antenna holes
2. Push down on the other end of the Mini PCIe card and use the provided
mounting screw to secure the card on the system board.
Mounting screw
3. Push down on the other end of the Mini PCIe card and use the provided
mounting screw to secure the card on the system board.

4
DIN-Rail Mount
The system features DIN-rail mount chassis that facilitates fast installation of the
EC900-FS6 to a DIN rail.
The din-rail mount kit includes the following:
• Din-rail mount bracket
• 2 screws
1. Use the provided mounting screws to attach the din-rail mount bracket to the
rear side of the device.
2. Install the device onto the rail.
Mounting screws

5
The system is equipped with one 10-pole terminal block that enables digital input/
output with power and RS422 communication on the side panel.
Communication Port Pin Assignments
Digital Input/output Pin Assignments
Pin 1 (starting at the left) DIO7
Pin 2 DIO6
Pin 3 DIO5
Pin 4 DIO4
Power Pin Assignments
Power 3.3V
Ground GND
RS422 Pin Assignments
Pin 1 (starting at the left) TX-
Pin 2 TX+
Pin 3 RX+
Pin 4 RX-
The system is also equipped with one 2-pole terminal block that enables RS485
communication on the front panel.
COM (RS485)
RS485 Pin Assignments
Pin 1 (starting at the left) RS485+
Pin 2 RS485-
Digital IO
(4-pin) RS422 (4-pin)
DC-in
 +
Power (1-pin)
Ground (1-pin)
1 2 3 4 1 2 3 4

6
Board Layout and Jumper Settings
Boot Mode Select SW5
Boot from the fuses 7 Off, 8 Off
Serial downloader 7 On, 8 Off
Boot from the board settings (default) 7 Off, 8 On
Reserved 7 On, 8 On
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A48312914
Panel Backlight/SATA Power
5
1
DC-in
USB 1-2
USB 2.0
1
10 9
2
JTAG
Mini
PCIe
Battery
1
19
DIODebug
14
DDR3L DDR3L
Debug LED
1
5
2
USB 3
USB 2.0
USB OTG
COM 1
HDMI
LAN 2
LAN 1
Front
Panel COM 3
1
microSD
eMMC
1 5
NXP
i.MX6
Cortex-A9
Boot Mode/Device Select
(SW5)
ON
1 2 3 4 5 6 7 8
5 9
I C
2
1
LVDS LCD Panel
1
14
DDR3L DDR3L
Top Bottom
Boot
Device
Select
SW5
12345678
eMMC (default) On On Off Off On On Off On
SPI xx xx xx On On Off Off On
SD On Off On Off Off On Off On
Note:
SW5 can be conveniently accessed from the opening on the bottom chassis. This switch is for
development and troubleshooting which should only be performed by developers and service
technicians who are fully aware of the outcome of any changes to the settings.