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UC-7400 Plus Hardware User’s Manual
Fourth Edition, April 2009 www.moxa.com/product
© 2009 Moxa Inc. All rights reserved.
Reproduction without permission is prohibited.
UC-7400 Plus Hardware User’s Manual
The hardware described in this manual is furnished under a license agreement and may be used only in accordance with the terms of that agreement.
Copyright Notice
Copyright
© 2009 Moxa Inc.
All rights reserved.
Reproduction without permission is prohibited.
Trademarks
MOXA is a registered trademark of Moxa Inc.
All other trademarks or registered marks in this manual belong to their respective manufacturers.
Disclaimer
Information in this document is subject to change without notice and does not represent a commitment on the part of Moxa.
Moxa provides this document “as is,” without warranty of any kind, either expressed or implied, including, but not limited to, its particular purpose. Moxa reserves the right to make improvements and/or changes to this manual, or to the products and/or the programs described in this manual, at any time.
Information provided in this manual is intended to be accurate and reliable. However, Moxa assumes no responsibility for its use, or for any infringements on the rights of third parties that may result from its use.
This product might include unintentional technical or typographical errors. Changes are periodically made to the information herein to correct such errors, and these changes are incorporated into new editions of the publication.
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Toll-free: 1-888-669-2872
Tel: +1-714-528-6777
Fax: +1-714-528-6778
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Table of Contents
Chapter 1
1
Introduction
Thank you for purchasing the Moxa UC-7400 Plus RISC-based ready-to-run embedded computer.
The UC-7400 Plus includes 8 RS-232/422/485 serial ports, dual 10/100 Mbps Ethernet ports, 8 digital input channels and 8 digital output channels, a PCMCIA interface for wireless LAN communication, and CompactFlash and USB ports for mass storage disk expansion. All of these make the UC-7400 Plus ideal for your embedded applications.
This manual introduces the hardware for the UC-7400 Plus series of embedded computers. After a brief introduction of the hardware features, the manual focuses on installation and hardware configuration using device interfaces.
The following topics are covered in this chapter:
Product Hardware Specifications
UC-7400 Plus Hardware User’s Manual Introduction
Overview
The Moxa UC-7400 Plus Series (referred to as UC-7400 Plus) includes the UC-7402 Plus,
UC-7408 Plus, UC-7410 Plus, and UC-7420 Plus. These RISC-based ready-to-run embedded computers are ideal for embedded applications. The UC-7400 Plus embedded computers feature 8
RS-232/422/485 serial ports, dual 10/100 Mbps Ethernet ports, a PCMCIA interface for wireless
LAN communication, a CompactFlash slot for flash disk expansion, and USB ports for adding additional memory (such as a USB Flash disk).
The UC-7400 Plus uses an Intel XScale IXP425 533 MHz RISC CPU. Unlike the X86 CPU, which uses a CISC design, the IXP-425’s RISC design architecture and modern semiconductor technology provide the UC-7400 Plus with a powerful computing engine and communication functions, but without generating a lot of heat. The built-in 32 MB NOR Flash ROM and 128 MB
SDRAM give you enough memory to run your application software directly on the UC-7400 Plus.
As the dual LAN ports are built right into the IXP425 CPU, the UC-7400 Plus makes an ideal communication platform for network security applications. If your application requires placing the
UC-7400 Plus at a site that is not located near an Ethernet LAN connection, you can connect to a wireless network by attaching a wireless LAN card to the UC-7400 Plus’s PCMCIA port.
Package Checklist
All models of the UC-7400 Plus series are shipped with the following items: y 1 UC-7400 Plus Series Embedded Computer y Wall-Mounting Kit y DIN-Rail Mounting Kit y Quick Installation Guide y Document & Software CD y Cross-over Ethernet cable y CBL-RJ45M9-150: 150 cm, 8-pin RJ45 to male DB9 serial port cable
(NOTE: The UC-7402 Plus model does not come with this accessory.) y CBL-RJ45F9-150: 150 cm, 8-pin RJ45 to female DB9 console port cable y Universal Power Adaptor y Product Warranty Statement
NOTE: Please notify your sales representative if any of the above items are missing or damaged.
Product Features
y Intel XScale IXP425 533 MHz Processor y On-board 128 MB RAM, 32 MB Flash ROM y 8 RS-232/422/485 serial ports (UC-7408 Plus/UC-7410 Plus/UC-7420 Plus only) y Dual 10/100 Mbps Ethernet ports y USB 2.0 host for connecting mass storage devices (UC-7408 Plus/UC-7420 Plus only) y PCMCIA, wireless LAN expansion (supports 802.11b/802.11g) y CompactFlash for storage expansion (UC-7402 Plus/UC-7408 Plus/UC-7420 Plus only) y LCM display and keypad for HMI (UC-7410 Plus/UC-7420 Plus only) y Ready-to-run Linux platform y DIN-Rail or wall mounting installation y Robust, fanless design
1-2
UC-7400 Plus Hardware User’s Manual Introduction
Product Hardware Specifications
CPU
RAM
Flash
LAN
UC-7402 Plus
Intel XScale
IXP425, 533 MHz
UC-7408 Plus
Intel Xscale
IXP425, 533 MHz
UC-7410 Plus UC-7420 Plus
Intel Xscale
IXP425, 533 MHz
128 MB
Intel Xscale
IXP425, 533
MHz
128 MB 128 MB 128 MB
32 MB 32 MB 32 MB 32 MB
Auto-sensing 10/100 Mbps x 2 with built-in 1.5 KV magnetic isolation protection RJ45 Connector
Serial Port
N/A
RS-232/422/485 × RS-232/422/485 × RS-232/422/485 ×
8 RJ45 Connector 8 RJ45 Connector 8 RJ45 Connector
15 KV ESD for all signals Serial
Protection
Data Bits
Stop Bits
Parity
Flow Control
Speed
N/A
N/A
N/A
Serial Console
RS-232 × 1,
Digital Input
Digital Output
USB 2.0 Hosts
USB 1.1 Client
None, even, odd, space, mark
RTC/CTS, XON/NOFF, RS-485 ADDC?
50 bps to 921.6 Kbps
RS-232 × 1, RS-232 × 1, RS-232 × 1,
RJ45 connector
N/A
RJ45 connector
Channel: 8
Input Voltage:
Logio 0: 0-0.8v
Logio 1: 2-5.5v
Protection: Over current limit
(-24Ma)
Channel: 8
RJ45 connector RJ45 connector
N/A N/A
N/A
Input Voltage:
Logio 0: 0-0.8v
Logio 1: 2-5.5v
Protection: Over current limit
(-24Ma)
N/A N/A
N/A 2 N/A 2
1* 1* 1* 1*
PCMCIA
N/A
N/A
Cardbus × 1 ** Cardbus × 1 **
5, 6, 7, 8
N/A Cardbus × 1 **
Storage
Expansion
LCM
Keypad
Real Time
Clock
Buzzer
CompactFlash × 1
***
CompactFlash × 1
***
N/A
CompactFlash × 1
***
N/A N/A 128 x 64 dots 128 × 64 dots
N/A N/A 5 5
Yes Yes Yes Yes
Rest Button
Yes Yes Yes Yes
HW Reset × 1,
Reset to Default ×
1
12 to 48 VDC
HW Reset × 1,
Reset to Default ×
1
12 to 48 VDC
HW Reset × 1,
Reset to Default ×
1
12 to 48 VDC
HW Reset × 1,
Reset to Default ×
1
12 to 48 VDC Power Input
Power
Consumption
1-3
UC-7400 Plus Hardware User’s Manual Introduction
Dimension
(W
×
D
×
H)
Weights
Operating
Temperature
Storage temperature
197 × 125 × 44 mm
830 g
197 × 125 × 44 mm
870 g
197 × 125 × 44 mm
810 g
-10 to 60°C, (14 to140°F), 5 to 95 % RH
-20 to 80°C, (-4 to176°F), 5 to 95 % RH
197 × 125 × 44 mm
875 g
Anti-Vibration
Anti-Shock
Regulatory approvals
Warranty
N/A
1 g @ IEC-68-2-6, sine wave
(resonance search),
1 g @ IEC-68-2-6, sine wave
(resonance search), 5-500 Hz, 1
5-500 Hz, 1
Oct/min, 1 cycle, 13
Oct/min, 1 cycle, 13 mins 17 sec/axis mins 17 sec/axis
5 g @ IEC-68-2-27, half sine wave,
30 ms
EMC: CE Class A, FCC Class A
Safety: UL, Cul.
5 years
* USB Client function is reserved for future enhancement
** PCMCIA is designed for 802.11b/g wireless LAN card expansion
*** CompactFlash is designed for Flash memory card or Microdrive
1-4
Chapter 2
2
Hardware Introduction
The following topics are covered in this chapter:
UC-7400 Plus Hardware User’s Manual
Appearance and Dimensions
Appearance
UC-7402 Plus Rear View
12-48 VDC
Power Input
10/100 Mbps Ethernet x 2
DC 12-48V
V+ V-
LAN1 LAN2 Console
USB 1.1 Client x 1, miniB Connector
RS-232
PPP/Console
UC-7402 Plus Top View
Hardware Introduction
UC-7402 Plus Front View
Reset to
Default
Reset
Reset to Default
Hardware Reset
2-2
UC-7400 Plus Hardware User’s Manual
UC-7408 Plus Rear View
12-48 VDC
Power Input
10/100 Mbps Ethernet x 2
PCMCIA
CF
LAN1 LAN2 Console DC 12-48V
V+ V-
CF x 1
PCMCIA x 1
RS-232
PPP/Console
UC-7408 Plus Top View
USB 2.0 Host x 2,
A Type Connector
USB 1.1 Client x 1, miniB Connector
UC-7408 Plus Front View
8-ch Digital Output 8-ch Digital Input
D/O
1 2 3 4 5 6 7 8
RS-232/422/485 P1 P2 P3 P4
D/I
1 2 3 4 5 6 7 8
Reset to
Default
Reset
P5 P6 P7 P8
RJ45 RS-232/422/485
Connectors x 8
Reset to Default
Hardware Reset
Hardware Introduction
2-3
UC-7400 Plus Hardware User’s Manual
UC-7410 Plus Rear View
12-48 VDC
Power Input
LAN1 LAN2 Console DC 12-48V
V+ V-
RS-232
PPP/Console
UC-7410 Plus Top View
10/100 Mbps Ethernet x 2
USB 1.1 Client x 1, miniB Connector
Graphics LCM
128 x 64 Dots
5 Buttons
UC-7410 Plus Front View
RS-232/422/485
P1 P2 P3 P4 P5 P6 P7 P8
Reset to default
Reset
RJ45 RS-232/422/485
Connectors x 8
Reset to Default
Hardware Reset
Hardware Introduction
2-4
UC-7400 Plus Hardware User’s Manual
UC-7420 Plus Rear View
12-48 VDC
Power Input
10/100 Mbps Ethernet x 2
PCMCIA
CF
LAN1 LAN2 Console
USB
DC 12-48V
V+ V-
CF x 1
PCMCIA x 1
RS-232
PPP/Console
UC-7420 Plus Top View
USB 2.0 Host x 2,
A Type Connector
USB 1.1 Client x 1, miniB Connector
Graphics LCM
128 x 64 Dots
5 Buttons
UC-7420 Plus Front View
RS-232/422/485
P1 P2 P3 P4 P5 P6 P7 P8
Reset to default
Reset
RJ45 RS-232/422/485
Connectors x 8
Reset to Default
Hardware Reset
2-5
Hardware Introduction
UC-7400 Plus Hardware User’s Manual
Dimensions
UC-7402 Plus
Hardware Introduction
197 mm [7.76"]
2-6
UC-7400 Plus Hardware User’s Manual
UC-7408 Plus
Hardware Introduction
197 mm [7.76"]
2-7
UC-7400 Plus Hardware User’s Manual
UC-7410 Plus/UC-7420 Plus
Hardware Introduction
197 mm [7.76"]
Hardware Block Diagram
The following block diagram shows the layout of the UC-7402 Plus’s internal components.
Ethernet
PCMCIA &
CompactFlash
USB
Client
Console LAN2 LAN1 Power
PCI to cardbus
Bridge
PCI Bus
PHY PHY
XScale IXP425 533 MHz
32 MB Flash
128 MB SDRAM
Power circuit
RTC
2-8
UC-7400 Plus Hardware User’s Manual Hardware Introduction
The following block diagram shows the layout of the UC-7408 Plus’s internal components.
Ethernet
PCMCIA &
CompactFlash
USB
Client
Console LAN2 LAN1 Power
PCI to cardbus
Bridge
PCI Bus
PHY PHY
XScale IXP425 533 MHz
32 MB Flash
128 MB SDRAM
Power circuit
RTC
Moxa UART ASIC
Decoder
1 2 3 4 5 6 7 8 D/I x 8 D/O x 8
RS-232/422/485
The following block diagram shows the layout of the UC-7410 Plus’s internal components.
Ethernet
PCI Bus
Moxa UART ASIC
1 2 3 4
USB
Client
Console LAN2 LAN1 Power
5
PHY PHY
XScale IXP425 533 MHz
32 MB Flash
128 MB SDRAM
Power circuit
RTC
LCM Display
& Keypad
6 7 8
RS-232/422/485
2-9
UC-7400 Plus Hardware User’s Manual Hardware Introduction
The following block diagram shows the layout of the UC-7420 Plus’s internal components.
Ethernet
USB
Host
PCMCIA &
CompactFlash
USB
Client
Console LAN2 LAN1
USB controller
PCI to cardbus
Bridge
1
PCI Bus
Moxa UART ASIC
2 3 4 5
Power
PHY PHY
XScale IXP425 533 MHz
32 MB Flash
128 MB SDRAM
Power circuit
RTC
LCM Display
& Keypad
6 7 8
RS-232/422/485
LED Indicators
The UC-7408 Plus, UC-7410 Plus, and UC-7420 Plus have 12 LED indicators on the top panel.
The UC-7402 Plus has only 4 LED indicators (since there are no serial port indicators) on the top panel. Refer to the following table for information about each LED.
LED Name
Ready
LAN1, LAN2
Console
P1, P2, P3, P4,
P5, P6, P7, P8
Color Meaning
Green Power is ON, and system is ready (after booting up)
Yellow 10 Mbps Ethernet connection
Green 100 Mbps Ethernet connection
Yellow Console port is receiving RX data from the serial device.
Green Console port is transmitting TX data to the serial device.
Yellow Serial port is receiving RX data from the serial device.
Green Serial port is transmitting TX data to the serial device.
2-10
UC-7400 Plus Hardware User’s Manual Hardware Introduction
Reset-type Buttons
The UC-7400 Plus has two reset-type buttons. The button labeled Reset has the same effect as switching off the power and then switching the power back on. The button labeled Reset to
default returns the UC-7400 Plus to the factory default parameter configuration.
Reset Button
Press the Reset button to initiate a hardware reboot. The button plays the same role as a desktop
PC’s reset button.
In normal use, you should NOT use the Reset Button. You should only use this function if the software is not working properly. To reset an embedded Linux system, always use the software reboot command #reboot to protect the integrity of data being transmitted or processed.
Reset to default Button
Press the Reset to default button continuously for at least 5 seconds to load the factory default
configuration. After the factory default configuration has been loaded, the system will reboot automatically. The Ready LED will blink on and off for the first 5 seconds, and then maintain a steady glow once the system has rebooted.
We recommend that you only use this function if the software is not working properly and you want to load factory default settings. To reset an embedded Linux system, always use the software reboot command #reboot to protect the integrity of data being transmitted or processed. The Reset
to default button is not designed to hard reboot the UC-7400 Plus.
ATTENTION
Reset to default preserves user’s data
The Reset to default button will NOT format the user directory and erase the user’s data.
Pressing the Reset to default button will only load the configuration file. All files in the /etc directory will revert to their factory defaults, but other User Data will still exist in the Flash
ROM.
Real Time Clock
The UC-7400 Plus’s real time clock is powered by a lithium battery. We strongly recommend that you do not replace the lithium battery without help from a qualified Moxa support engineer. If you need to change the battery, contact the Moxa RMA service team.
WARNING
There is a risk of explosion if the battery is replaced by an incorrect type.
2-11
Chapter 3
3
Hardware Connection Description
The following topics are covered in this chapter:
Wall or Cabinet Mounting
DIN-Rail Mounting
Hardware Connection Desc ription
0 Plus
ork
Connecting to a Serial Device
Connecting to the Console P ort
UC-7400 Plus User’s Manual Hardware Connection Description
Wall or Cabinet Mounting
The two metal brackets that come standard with UC-7400 Plus are used to attach the embedded computer to a wall or the inside of a cabinet. First, use two screws per bracket to attach the brackets to the bottom of the UC-7400 Plus (Fig. A). Next, use two screws per bracket to attach the UC-7400 Plus to the wall or cabinet (Fig. B).
Figure A: UC-7410 Plus/UC-7420 Plus Universal Communicator—Wall Mounting Brackets
(bottom view)
Figure B: UC-7410 Plus/UC-7420 Plus Universal Communicator—Wall Mounting Brackets
(top view)
3-2
UC-7400 Plus User’s Manual Hardware Connection Description
DIN-Rail Mounting
The aluminum DIN-Rail attachment plate is included with the package. If you need to reattach the
DIN-Rail attachment plate to the UC-7400 Plus, make sure the stiff metal spring is situated towards the top, as shown in the following figures.
STEP1: Insert the top of the DIN-Rail into the slot just below the stiff metal spring.
STEP2: The DIN-Rail attachment unit will snap into place as shown. metal spring metal spring
DIN-Rail
DIN-Rail
To remove the UC-7400 Plus from the DIN-Rail, simply reverse Steps 1 and 2.
Hardware Connection Description
This section describes how to connect the UC-7410 Plus and 7420 Plus to serial devices for first time testing purposes. We cover Wiring Requirements, Connecting the Power, Grounding the
UC-7400 Plus, Connecting to the Network, Connecting to a Serial Device, Connecting to the
Console Port, PCMCIA, and CompactFlash, USB.
Wiring Requirements
ATTENTION
Safety First!
Be sure to disconnect the power cord before installing and/or wiring your UC-7400 Plus.
Wiring Caution!
Calculate the maximum possible current in each power wire and common wire. Observe all electrical codes dictating the maximum current allowable for each wire size.
If the current goes above the maximum ratings, the wiring could overheat, causing serious damage to your equipment.
Temperature Caution!
Be careful when handling the UC-7400 Plus. When plugged in, the UC-7400 Plus’s internal components generate heat, and consequently the outer casing may feel hot to the touch.
3-3
UC-7400 Plus User’s Manual Hardware Connection Description
You should also observe the following common wiring rules: y Use separate paths to route wiring for power and devices. If power wiring and device wiring paths must cross, make sure the wires are perpendicular at the intersection point.
NOTE: Do not run signal or communication wiring and power wiring in the same wire conduit.
To avoid interference, wires with different signal characteristics should be routed separately. y You can use the type of signal transmitted through a wire to determine which wires should be kept separate. The rule of thumb is that wiring that shares similar electrical characteristics can be bundled together. y Keep input wiring and output wiring separate. y Where necessary, it is strongly advised that you label wiring to all devices in the system.
Connecting the Power
Connect the 12 to 48 VDC power line to the UC-7400 Plus’s terminal block. If the power is properly supplied, the Ready LED will illuminate with a solid green color after 30 to 60 seconds have passed.
Grounding the UC-7400 Plus
Grounding and wire routing helps limit the effects of noise due to electromagnetic interference
(EMI). Run the ground connection from the ground screw to the grounding surface prior to connecting devices.
ATTENTION
This product is intended to be mounted to a well-grounded mounting surface, such as a metal panel.
SG
SG: The Shielded Ground (sometimes called Protected Ground) contact is the left most contact of the 3-pin power terminal block connector when viewed from the angle shown here. Connect the SG wire to an appropriate grounded metal surface.
DC 12-48V
3-4
UC-7400 Plus User’s Manual Hardware Connection Description
Connecting to the Network
Connect one end of the Ethernet cable to one of the UC-7400 Plus’s 10/100M Ethernet ports (8-pin
RJ45) and the other end of the cable to the Ethernet network. If the cable is properly connected, the UC-7400 Plus will indicate a valid connection to the Ethernet in the following ways:
8
8
1
1
The lower right corner LED indicator maintains a solid green color when the cable is properly connected to a
100 Mbps Ethernet network. The LED will flash on and off when Ethernet packets are being transmitted or received.
The lower left corner LED indicator maintains a solid orange color when the cable is properly connected to a
10 Mbps Ethernet network. The LED will flash on and off when Ethernet packets are being transmitted or received.
Pin Signal
1 ETx+
2 ETx-
3 ERx+
4 ---
5 ---
6 ERx-
7 ---
8 ---
Connecting to a Serial Device
Use properly wired serial cables to connect the UC-7408 Plus, UC-7410 Plus, and UC-7420 Plus to serial devices. The UC-7408 Plus, UC-7410 Plus, and UC-7420 Plus’s serial ports (P1 to P8) use 8-pin RJ45 connectors. The ports can be configured by software for RS-232, RS-422, or
2-wire RS-485. The precise pin assignments are shown in the following table:
1 8
Pin RS-232
1 DSR
2 RTS
3 GND
RS-422
---
TXD+
GND
RS-485
---
---
GND
4 TXD
5 RXD
6 DCD
7 CTS
TXD-
RXD+
RXD-
---
---
Data+
Data-
---
8 DTR --- ---
Connecting to the Console Port
The UC-7400 Plus’s console port is an 8-pin RJ45 RS-232 port. The port can be used to connect to the console utility from a remote console through a V90 or GPRS modem with PPP protocol. The pin definition is the same as for the serial ports (P1 to P8). For normal data acquisition applications, you should connect to the UC-7400 Plus’s serial ports (P1 to P8) through a V90 or GPRS modem.
If you would like to use the console port for normal data acquisition applications, you can set the console port to start up with PPP protocol.
PCMCIA
The PCMCIA slot supports the CardBus (Card-32) Card standard and 16-bit (PCMCIA 2.1/JEIDA
4.2) Card standard. It supports +3.3V, +5V, and +12V at a working voltage of 120 mA~1100 mA.
The wireless LAN card expansion is optional. The wireless LAN card provided by Moxa lets you connect the UC-7400 Plus to a wireless LAN, with both 802.1b and 802.11g interfaces supported.
If you need device drivers for other kinds of PCMCIA cards, contact Moxa for information on how to initiate a cooperative development project.
3-5
UC-7400 Plus User’s Manual Hardware Connection Description
CompactFlash
The UC-7402 Plus, UC-7408 Plus, and UC-7420 Plus provides one CompactFlash slot that supports CompactFlash type I/II card expansion. Currently, Moxa provides a CompactFlash disk for plug & play mass storage expansion. You may also use flash disks available from most computer supply outlets. The CompactFlash card is automatically mounted as a system partition on insertion.
If you need device drivers for other kinds of mass storage cards, contact Moxa for information on how to initiate a cooperative development project.
USB
The UC-7408 Plus and UC-7420 Plus provides two USB 2.0 Hosts and one USB 1.1 Client, The
USB Host now supports connecting mass storage devices for expanding the embedded computer’s memory.
DI/DO
The UC-7408 Plus supports 8-ch digital inputs and 8-ch digital outputs. The 8 digital input channels and 8 digital output channels use separate terminal blocks.
3-6
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