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DA-660A Series Hardware User’s Manual 

Version 2.1, June 2021 

www.moxa.com/product 

 

© 2021 Moxa Inc. All rights reserved. 

 

 

Summary of Contents for DA-660A Series

Page 1: ...DA 660A Series Hardware User s Manual Version 2 1 June 2021 www moxa com product 2021 Moxa Inc All rights reserved ...

Page 2: ...ges 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 period...

Page 3: ...dels 2 3 DA 662A 16 Models 2 4 LED Indicators 2 4 Reset Button 2 4 LCD Screen 2 5 Push Buttons 2 5 Real time Clock 2 5 3 Hardware Connection Description 3 1 Placement Options 3 2 Rack Mounting 3 2 Connecting the Hardware 3 2 Wiring Requirements 3 2 Connecting the Power 3 2 Connecting to the Network 3 3 Connecting to a Serial Device 3 3 Configurable Pull High Low Resistors for the RS 485 Port 3 4 C...

Page 4: ...mes with CF and USB ports to make it easy to add additional storage space The computers are designed with a standard 19 inch rugged 1U rackmount case and are embedded with a 100 240 VAC power input This combination of features gives users a robust and reliable ready to run solution for applications such as data acquisition and power substations The following topics are covered in this chapter Over...

Page 5: ...nts delivering the kind of reliable computing power expected of a multifunctional controller You can choose DA 660A Series models that come preinstalled with the open standard Linux OS The built in SDK makes program development easy by allowing you to follow the common programming procedures used on a standard PC The software you develop for your own applications can be stored in the onboard Flash...

Page 6: ...DA 660A Series HW UM Introduction 1 3 Hardware Specifications NOTE The latest specifications for Moxa s products can be found at https www moxa com ...

Page 7: ... operation With the reliable and stable hardware platform that is provided you can devote your attention to the development of your application In this chapter learn the basics about the embedded computer hardware and its different parts The following topics are covered in this chapter Appearance DA 662A 8 Models DA 662A 16 Models Dimensions Hardware Block Diagram DA 662A 8 Models DA 662A 16 Model...

Page 8: ...DA 660A Series HW UM Hardware Introduction 2 2 Appearance DA 662A 8 Models Front View Rear View DA 662A 16 Models Front View Rear View ...

Page 9: ...DA 660A Series HW UM Hardware Introduction 2 3 Dimensions Hardware Block Diagram The following block diagrams show the layout of the internal components of the DA 660A Series DA 662A 8 Models Unit mm ...

Page 10: ...he front panel 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 ...

Page 11: ...D screen The buttons are MENU up cursor down cursor and SEL Button Action MENU Displays the main menu Scrolls up through a list of items shown on the LCD screen s second line Scrolls down through a list of items shown on the LCD screen s second line SEL Selects the option listed on the LCD screen Real time Clock The real time clock is powered by a lithium battery We strongly recommend that you do ...

Page 12: ...his chapter Placement Options Rack Mounting Connecting the Hardware Wiring Requirements Connecting the Power Connecting to the Network Connecting to a Serial Device Configurable Pull High Low Resistors for the RS 485 Port Connecting to the Console Port USB Host CompactFlash ...

Page 13: ...eat causing serious damage to your equipment Temperature Caution Be careful when handling the DA 660A Series When plugged in the DA 660A series internal components generate heat and consequently the outer casing may feel hot to the touch You should observe the following common wiring rules Use separate paths to route wiring for power and devices If power wiring and device wiring paths must cross m...

Page 14: ...t in the following ways 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 DA 660A to serial devices The serial ports P1 to P16 on the DA 660A use 8 pin RJ45 connectors The ports can be configured by software for RS 232 RS 422 or 2 wire RS 485 The pin assignments are shown in the following table Pin RS 232 RS 232 DA 660A I 8 16 ...

Page 15: ...shown in the accompanying figure The first row is for setting pull high resistors the second row is for setting termination resistors and the third row is for setting pull low resistors Each serial port has 6 jumper caps for configuring the resistors The pin assignments are shown in the following table Jumper setting RS485 Data RS485 Data Pull High resistors 1 2 150 kΩ 2 3 1 kΩ Termination 1 2 Ope...

Page 16: ...ill be mounted automatically to mnt sdc and the second device will be mounted to mnt sdd using the mount command The storage device will be un mounted automatically with the umount command when it is disconnected CompactFlash The DA 660A Series computers have a built in CompactFlash socket The CompactFlash socket allows users to add additional memory by inserting a CompactFlash memory card without...

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