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Chapter 3. Hardware Description

3.2.4

Terminal Resistors

Terminal Resistors are installed in RS422 or RS485 communication to prevent noise and distortion of

long distance data transfer. They help by matching impedance in communication line, and normally
120 ohm resistors are used. The decision to use terminal resistor lies with the user, and one may
choose to either install or not install terminal resistors in RS422 or RS485 mode. Installation can be
done by connecting RX+ and RX- pin on J1 pin header to the resistor if in RS422 mode, or TRX+ and

TRX- pin in RS485 mode.

3.2.5

Terminal Resistor Installation Guide

◆

RS422

Install terminal resistors at each end (terminal)

RS422 Slave Device N

TXD-

TXD+

RS422 Slave Device B

When using RS422 Point to Point Mode

TXD-

RS422 Master Device

RXD+

TXD+

RXD-

Terminal REG

120R

TXD+

RXD-

Terminal REG

120R

RS422 Slave Device A

RXD+

RXD+

TXD+

RS422 Device B

TXD-

RXD-

TXD-

Terminal REG

120R

TXD-

RXD+

TXD+

RS422 Device A

TXD+

RXD-

When using RS422 Multi-Drop Mode

RXD+

RXD-

RXD-

Terminal REG

120R

TXD-

RXD+

◆

RS485

Install terminal resistors only at each end (not in the middle ones in Multi-Drop structure)

TR

X

D

-

TR

X

D

+

TR

X

D

-

TRXD+

TRXD+

TRXD-

RS485 Device A

RS485 Device G

TR

X

D

+

TRXD-

RS485 Device F

TR

X

D

+

Terminal REG

120R

TR

X

D

-

RS485 Device E

TR

X

D

+

RS485 Device D

TR

X

D

-

TR

X

D

-

RS485 Device C

TR

X

D

+

TR

X

D

+

RS485 Device B

TR

X

D

-

RS485 Device N

Terminal REG

120R

Figure 3-6 RS485 Terminal Registor

3-7

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Содержание Eddy Series

Страница 1: ...ries User s Guide Ver 2 1 2008 4 2 Copyright 2007 SystemBase Co Ltd All rights reserved Tel 82 2 855 0501 Fax 82 2 855 0580 16F Daerung Post Tower 1 Guro dong Seoul Korea tech sysbas com http www sysb...

Страница 2: ...1 Eddy CPU 3 1 3 1 1 Dimensions 3 2 3 1 2 Pin Specifications 3 3 3 2 Eddy S1 Pin 3 1 3 2 1 Dimensions 3 2 3 2 2 Pin Specifications 3 3 3 2 3 Serial Interface Setup 3 6 3 2 4 Terminal Resistors 3 7 3...

Страница 3: ...rd 5 11 5 7 Update Firmware 5 13 5 8 Factory Default 5 15 5 9 Save Reboot 5 16 Chapter 6 Configuration via Telnet 6 1 6 1 Connection 6 1 6 2 View commands 6 2 6 3 Network commands 6 2 6 4 Serial Comma...

Страница 4: ...e 3 7 Eddy S1 DB9 Product Picture and Block Diagram 3 8 Figure 3 8 Eddy S1 DB9 Front View 3 9 Figure 3 9 Eddy S1 DB9 Side View 3 9 Figure 3 10 Eddy S1 DB9 PoE Product Picture and Block Diagram 3 14 Fi...

Страница 5: ...13 Save Reboot Page 5 16 Figure 6 1 Connection via Telnet 6 1 Figure 7 1 Firmware updates via FTP 7 1 Figure 7 2 Firmware Update via Telnet 7 2 Tables Table 1 1 Eddy Documents 1 2 Table 5 1 Main feat...

Страница 6: ...y CPU Eddy S1 Pin Eddy S1 DB9 and Eddy S1 DB9 PoE Setting Eddy s configurations status monitoring firmware update and other administration work are also included H W level integration and S W setting...

Страница 7: ...guides and detailed technical specifications 1 4 Eddy Documents The following table summarizes documents included in the Eddy document set Table 1 1 Eddy Documents Document Description User s Guide E...

Страница 8: ...re subject to change without a prior notice 1 5 Technical Support You can reach our tech support by following 4 ways 1 Visit the developer s community at http www embeddedmodule com and share informat...

Страница 9: ...DK is included in the Development Kit package Please refer to Programming Guide and LemonIDE user s manual included in the Development Kit for detailed information on the SDK SDK is not necessary for...

Страница 10: ...on top of the module before supplying power Improper voltage feed may damage the module Figure 2 2 Eddy S1 Pin Eddy S1 DB9 RJ 45 Ethernet port is included to provide direct connection to network For...

Страница 11: ...B9 male connector In the combo module RS422 485 setting can be adjusted with software using web interface Figure 2 4 Eddy S1 DB9 PoE Eddy S2M Pin The model supports MCI MultiMedia Card Interface and U...

Страница 12: ...n Eddy applications easily with 1 piece of Eddy S1 Pin module included in the package The kit includes evaluation board all necessary connectors and programming environment with documentations and gui...

Страница 13: ...tly appear throughout this guide z Premium level hardware with ARM9 180MHz CPU 4MB Flash and 32MB SDRAM z Selectable RS232 only or RS422 485 combo interfaces z MMC and SDcard interface z USB host port...

Страница 14: ...ility z Extensive configuration and monitoring with Portview z Firmware upload with Web FTP and TFTP z Configuration with Web Telnet SNMP and Portview z Various customizing options z Standard Linux en...

Страница 15: ...ustrial Automation PLC Robot arms Human Machine Interface Warehouse rails Medical instruments Inspection equipment controllers Alarming units Home Appliances Electronic Devices Power controller Gaming...

Страница 16: ...transformer normally called LAN Mate or MAC Jack can be used as a simpler approach 16 bit address 8 bit data bus provides flexibility in external peripheral connectivity and up to 16 programmable IO...

Страница 17: ...Chapter 3 Hardware Description 3 1 1 Dimensions Dimensions of Eddy CPU are shown below Figure 3 1 Eddy CPU front and side view 3 2...

Страница 18: ...n Desc 1 MCDB1 2 MCCK 3 MCDB3 SPI0_NPCS0 4 MCDB2 5 MCCDB SPI0_MIOSI 5 SPI0_SPCK 7 HDMA 8 SPI0_MISO 9 HDPA 10 DDM 11 USBCNX 12 DDP 13 RDY 14 nRESET 15 NTRST 16 RTCK 17 TDO 18 TMS 19 TDI 20 TCK 21 3 3V...

Страница 19: ...ce Port 12 DDP USB Device Port Data 13 RDY Output signal for CPU operation status 14 nRESET Microcontroller Reset input ICE and JTAG 15 NTRST Test Reset Signal 16 RTCK Return Test Clock 17 TDO Test Da...

Страница 20: ..._TX Physical transmit or receive signal differential J2 Specifications Connect USB cable to J1 while the jumper is connected to J2 so that applications can be compiled linked created and uploaded to t...

Страница 21: ...n be used by connecting pin34 and 36 This pin should not be connected when using ICE In Circuit Emulator or in normal operation status 35 NCS7 IRQ0 External device Chip Select signal 256MB memory addr...

Страница 22: ...3 DRXD Debug Receive Data 24 DTXD Debug Transmit Data Reset Test 27 BMS Boot Mode Select signal BMS 1 Boot on Embedded ROM BMS 0 Boot on External Memory 28 NRST External device Reset signal active low...

Страница 23: ...Chapter 3 Hardware Description 3 1...

Страница 24: ...Chapter 3 Hardware Description 3 2...

Страница 25: ...Chapter 3 Hardware Description 3 3...

Страница 26: ...factor to provide direct network connection One serial port is provided in pin header interface supporting either RS232 only or RS422 485 combo Pins can be connected to any kind of external serial in...

Страница 27: ...Chapter 3 Hardware Description 3 2 1 Dimensions Figure 3 4 Eddy S1 Pin Front View Figure 3 5 Eddy S1 Pin Side View 3 2...

Страница 28: ...usages are as follows J1 Serial 10 pin header connector J1 RS232 Pin Signal Description 1 DCD Data Carrier Detection Input 2 RXD Receive Data Input 3 TXD Transmit Data Output 4 DTR Data Terminal Ready...

Страница 29: ...positive Input 3 TXD Transmit differential data positive Output 6 RXD Receive differential data negative input 7 TXD Transmit differential data negative Output J1 85 Half RS4 Duplex Pin Signal Descri...

Страница 30: ...ted when connected as below 10 nRESET Connection to external reset switch Input As reset logic is built in this pin can be connected directly to the switch without any additional circuit When pressing...

Страница 31: ...receive or transmit signal differential LED Description Left Green LAN_Speed LAN connection speed Speed Pin State LED Definition 10Base T H OFF 100Base TX L ON Right Yellow LAN_LINK LAN connection st...

Страница 32: ...tallation Guide RS422 Install terminal resistors at each end terminal RS422 Slave Device N TXD TXD RS422 Slave Device B When using RS422 Point to Point Mode TXD RS422 Master Device RXD TXD RXD Termina...

Страница 33: ...mmunication RS232 only or RS422 485 combo interface is available through DB9 male connector In the combo module RS422 485 setting can be adjusted with software using web interface Figure 3 7 Eddy S1 D...

Страница 34: ...Chapter 3 Hardware Description 3 3 1 Dimensions Figure 3 8 Eddy S1 DB9 Front View Figure 3 9 Eddy S1 DB9 Side View 3 9...

Страница 35: ...r 3 Hardware Description 3 3 2 Pin Specifications Pin Specification and its usages are as follows Power JACK DB9 LED Reset switch RJ 45 Power Jack Contact Polarity Center 5VDC 5 over 400mA Outer Groun...

Страница 36: ...Input 3 TXD Transmit Data Output 4 DTR Data Terminal Ready Output 5 GND Ground 6 DSR Data Set Ready input 7 RTS Request to Send Output 8 CTS Clear to Send Input 9 RI Ring Indicator Input RS485 Half D...

Страница 37: ...l Description 1 READY Indicates the processor status 2 DATA LED ON when serial data is transmitted RJ 45 Port Pin Signal Description 1 TXD Physical transmit or receive signal differential 2 TXD Physic...

Страница 38: ...Chapter 3 Hardware Description 3 13 Pin Signal Description Right Yellow LAN_LINK LAN connection status Link Activity Pin State LED Definition No Link H OFF Link L ON Activity Toggle Blinking...

Страница 39: ...ower supply can be automatically channeled to 5V adaptor when PSE Power Sourcing Equipment is out of order Seamless power supply is guaranteed PSE power can be used again when the PSE is in normal ope...

Страница 40: ...Chapter 3 Hardware Description 3 15 3 4 1 Dimensions Figure 3 11 Eddy S1 DB9 PoE Front View Figure 3 12 Eddy S1 DB9 PoE Side View...

Страница 41: ...3 Hardware Description 3 4 2 Pin Specifications Pin Specification and its usages are as follows Power JACK LED Power Jack DB9 RJ 45 Reset Switch Contact Polarity Center 5VDC 5 400mA or above Outer Gro...

Страница 42: ...Input 3 TXD Transmit Data Output 4 DTR Data Terminal Ready Output 5 GND Ground 6 DSR Data Set Ready input 7 RTS Request to Send Output 8 CTS Clear to Send Input 9 RI Ring Indicator Input RS485 Half D...

Страница 43: ...ansmit differential data positive Output 6 RXD Receive differential data negative input 7 TXD Transmit differential data negative Output LED Pin Signal Description 1 POWER LED ON when power is on 2 TX...

Страница 44: ...fferential 4 Vin PSE positive connection 5 Vin PSE positive connection 6 RXD Physical receive or transmit signal differential 7 Vin PSE negative connection 8 Vin PSE negative connection LED Descriptio...

Страница 45: ...t hub and transceivers on downstream ports It provides several high speed half duplex serial communication ports at a baud rate of 12 Mbit s up to 127 USB devices Two serial ports are provided in PIN...

Страница 46: ...Chapter 3 Hardware Description 3 5 1 Dimensions Figure 3 14 Eddy S1 DB9 PoE Front View Figure 3 15 Eddy S1 DB9 PoE Side View 3 21...

Страница 47: ...n Specifications Pin Specification and its usages are as follows figure 3 16 Eddy S2M Pin Pin Spec Power JACK MCI slot Reset Switch LED J9 PIN USB Host RJ 45 J8 PIN Power Jack Contact Polarity Center...

Страница 48: ...Request to Send Output 8 CTS Clear to Send Input 9 10 NC No Connection J8 RS422 Full Duplex Pin Signal Description 2 RXD Receive differential data positive Input 3 TXD Transmit differential data posit...

Страница 49: ...tus can be indicated when connected as below 10 nRESET Connection to external reset switch Input As reset logic is built in this pin can be connected directly to the switch without any additional circ...

Страница 50: ...Signal Description 4 TRX Transmit Receive differential data positive 5 TRX Transmit Receive differential data negative RJ 45 Pin Signal Description 1 TXD Physical transmit or receive signal differenti...

Страница 51: ...Pin JIG Pin to DB9 gender Eddy S2M Pin JIG is provided as a Pin to DB9 gender for Eddy S2M Pin module Eddy S2M Pin JIG is used for connections to DB9 interfaces It can also be used as Eddy S2M Pin mod...

Страница 52: ...put RS485 Half Duplex Pin Signal Description 3 TRX Transmit Receive differential data positive 7 TRX Transmit Receive differential data negative RS422 Full Duplex Pin Signal Description 2 RXD Receive...

Страница 53: ...r 3 Hardware Description 3 28 LED Signal Description 3 GPIO2 Programmable I O 3 user defined I O 4 GPIO3 Programmable I O 4 user defined I O 5 READY Processor status can be indicated when connected as...

Страница 54: ...can either connect cross LAN cable or direct LAN cable Plug one end of a LAN cable to Eddy and the other end to a hub switch or any other network device that can provide you with network access 2 Pin...

Страница 55: ...Although there is no power LED to check the status you can check by LEDs on the RJ45 Ethernet port LED status operation is described in Chapter 3 Hardware Description In models with DB9 you can simply...

Страница 56: ...0 1 1 Second is to use Detector application provided in the Utility Documents CD This application allows searching for Eddy modules on the network The factory default IP address 192 168 0 223 Eddy s d...

Страница 57: ...onnect with this address you need to change network configurations so that your PC can connect to the IP 10 10 1 1 Please refer to an example below and note that values do not necessarily have to be i...

Страница 58: ...Eddy you need to to change the IP address and restart in Web or Telnet Figure 4 4 Setting Eddy with temporary IP address Now you are ready to connect to Eddy There are three options to configure Eddy...

Страница 59: ...e s USB host port If other USB devices are to be attached to this port device drivers for the devices must be first created and loaded to Eddy S2M Pin module using Eddy DK Following example displays p...

Страница 60: ...t root 8 1 Jan 1 00 04 dev sda1 brw rw 1 root root 8 2 Jan 1 00 04 dev sdb brw rw 1 root root 8 3 Jan 1 00 04 dev sdb1 ls al drwxrwxrwt 3 root root 200 Jan 1 00 00 phys 987 31 63 logical 988 30 30 Dis...

Страница 61: ...ss Eddy s web manager Once you are successfully connected the following front page will show up You need to enter appropriate username and password to login Please note that this username and password...

Страница 62: ...able 5 1 Main features of Setup Menu Menu Descriptions Summary View a summary of Eddy Network Settings Configure network connection settings Serial Settings Configure detailed operation environment fo...

Страница 63: ...you do not save current settings Figure 5 3 Network Settings Configuration Page Main features for General Configuration is as follows Table 5 2 Main features of General Configuration Menu Default Des...

Страница 64: ...fer to the Portview User Manual If IP is set to 0 0 0 0 this feature is disabled DDNS Username Password 203 32 117 1 Register DDNS server s IP address for DDNS service DDNS service used in Eddy is sup...

Страница 65: ...nt settings Figure 5 4 Serial settings page Serial communication settings for Eddy S1 Pin S1 TTL S2 Pin are as follows Table 5 4 Main features for Serial Settings Menu Default Descriptions Interface R...

Страница 66: ...is transferred untouched after the socket connection is established TCP Broadcast Eddy works as a server accepting up to 5 simultaneous connections from socket clients Data transmitted from Eddy is b...

Страница 67: ...0 0 0 0 4000 When the Operation Mode is either TCP Client or UDP Client set the IP address and the socket number to connect to Keepalive 0 sec After a certain amount of time passes without any commun...

Страница 68: ...ta If no data is received during this time Eddy transmits all remaining data to the server in one packet If set to Enable however few bytes pieces are transmitted right away in a packet therefore mult...

Страница 69: ...pplication and you can implement it with the SDK included in the Eddy development kit After changing values you need to click Submit button Then you will see the same page with modified values Please...

Страница 70: ...ions Mode Output Set current pin s I O mode When in output mode 3 3V output can be controlled When in input mode any 3 3V from outside can be detected Options Output Input Value High Set current pin s...

Страница 71: ...you need to click Submit button Then you will see the same page with modified values Please note that you have to Save Reboot in order to see these changes in effect Changes will be discarded if you...

Страница 72: ...Chapter 5 Configuration via Web Figure 5 8 After changing the password 5 12...

Страница 73: ...Eddy Set the location of the firmware file to update using the Browse button The selected firmware will be transferred to Eddy when you click Start Update After the transmission is complete Eddy will...

Страница 74: ...Chapter 5 Configuration via Web Figure 5 10 Firmware update in progress Figure 5 11 Firmware update complete 5 14...

Страница 75: ...lt values Clicking on Restore Factory Defaults button will delete all current settings and restore settings to the initial status Eddy will automatically reboot You cannot turn back the decision once...

Страница 76: ...igure 5 13 Save Reboot Page Main features for Save Reboot are as follows Table 5 6 Main features for Save Reboot Menu Descriptions Save and Reboot Save Reboot reboots Eddy after saving changes to Flas...

Страница 77: ...d has been modified from the telnet interface modified values have to be entered to connect to web and vice versa Factory default username eddy Factory default password 99999999 Figure 6 1 Connection...

Страница 78: ...8 0 223 Set the current IP address Eddy is assigned to When line type is Static IP manually enter an appropriate IP address When line type is DHCP it is not editable Instead current IP address is show...

Страница 79: ...this ID Def ddnspass password 99999999 You can access DDNS server with this password def web Enable Disable Enable Enable or disable Web service If disabled you cannot connect to Eddy via Web def tar...

Страница 80: ...Set the number of bits in each character size def port 1 stop 1 2 1 Set the number of stop bits def port 1 parity none odd even none Set parity bit check scheme def port 1 flow none xon rts none Set t...

Страница 81: ...t Descriptions def port 1 loginname username None When the Operation Mode is set to TCP Server set the username to ask for Max 8 bytes def port 1 loginpass password None When the Operation Mode is set...

Страница 82: ...6 Username Password Commands Configure username and password for Web Telnet FTP Table 6 5 User Password configurations Commands Default Descriptions def username username eddy Set username to use in W...

Страница 83: ...ration via Web Connect to Eddy with FTP using correct username and password Default eddy 99999999 Issue a command bin for binary file transfer mode Optionally use hash to see the data transfer mark Is...

Страница 84: ...ure firmware files are both successfully uploaded Use upgrade command to write this file into Eddy s Flash memory Upgrade application automatically detects whether the given firmware is kernel or file...

Страница 85: ...nsions 25 42 6 mm Hardware Weight 7 g Protocol TCP UDP Telnet ICMP DHCP TFTP HTTP SNMP 1 2 SSH SSL Ethernet 10 100Mbps MAC PHY Network Network Connection Static IP DHCP O S Lemonix Real Time Linux Man...

Страница 86: ...w Web Terminal Telnet SSH Application Upload TFTP FTP Web software Web Service Embedded Web Server Serial Interface RS232 RS422 485 RS232 RS422 485 RS232 RS422 485 Serial Port 1 Pin Header 1 DB9 Seria...

Страница 87: ...10 100 BASE T Auto MDI MDI X Network N W Connection Static IP DHCP Serial Interface RS232 RS422 485 Serial Port 2 Port Pin Header type Speed 150 921 6 Kbps Signals RS232 COM1 Full Signal COM2 TX RX RT...

Страница 88: ...Serial cable Pin header cable Board support Jumper Power adaptor Power cable Eddy CPU Embedded CPU module Programmable 3 3V power input Pin header interface S1 Pin RS232 Pin header interface 3 3 5V po...

Страница 89: ...the limits for a Class A digital device pursuant to part 15 of the FCC Rules These limits are designed to provide reasonable protection against harmful interference when the equipment is operated in a...

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