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DECODE DL28, Инструкция по установке и эксплуатации

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DL28 Installation and User Manual 

 2.2.3 

Serial Connector S3

RJ45 8/8 port connects external devices to UART3 processor having four RS-232C and two

RS-485   signals.   This   port   is   used   for   connecting   devices   that   use   asynchronous   serial
communications,   such   as   personal   computers   (PC),   programmable   logic   controllers   (PLC)   and
similar devices. Indicator lights located above the RJ45 show status signals for sending TXD (red
LED on the right) and receiving RXD (green LED on the left). Both signal types (RS-232C and RS-
485) can be active and operate simultaneously.  With “Echo” jumper on the communication board,
two operating modes of RS-485 receiving can be set:  OFF (1-2 position) for disabled sending echo
and ON  (2-3 position) for enabled sending echo. Jumper “Term” enables 120Ω termination on RS-
485. 

Pin No.

Signal

Type

1

RTS

RS-232 Output

2

-

not connected

3

GND3

-

4

TXD

RS-232 Output

5

RXD

RS-232 Input

6

A (+)

RS-485 +

7

B (-)

RS-485 -

8

CTS

RS-232 Input

14.05.2013.

8.

Содержание DL28

Страница 1: ...Release 1 0 08 05 2013 DL28 Industrial Linux Computer Installation and User Manual ...

Страница 2: ...ector S1 7 2 2 2 Serial Connector S2 7 2 2 3 Serial Connector S3 8 2 3 M Bus Board 9 2 3 1 Serial Connector S4 10 2 3 2 Serial Connector S5 10 2 3 3 Serial Connector S6 10 2 4 Base Board 11 2 4 1 Expansion Port 11 3 DL28 Connection Ports Testing 12 3 1 User Login 13 3 2 Ports S1 S6 Testing 14 3 2 1 TEST1 15 3 2 2 TEST2 16 3 2 3 TEST 3 17 3 3 USB Ports and Memory Card Testing 19 3 4 Ethernet Port T...

Страница 3: ...Document Revisions Release Date Author Remarks V1 0 08 05 2013 Goran Dragišić Initial release ...

Страница 4: ... as other line and wireless modems Six featured serial connectors allow linking different control measuring and communication devices Figure 1 DL28 appearance Installed application software is automatically retrieved and executed upon device start up Replacements and updates of application software can be done through TFPT protocol remotely by using Ethernet connector ETH or through XMODEM protoco...

Страница 5: ...DIN 35 mm supporting rail Figure 2 Back and side view of DL28 Front plate is equipped with connectors for power supply USB peripheral devices memory cards Ethernet and serial connected devices as well as indicator lights Following figure shows DL28 front face with featured connectors explained Figure 3 DL28 front face connectors 14 05 2013 2 ...

Страница 6: ...ting all of them into single unit All communication ports are galvanic isolated the same applies to power supply connector Figure 4 DL28 block diagram 14 05 2013 3 PROCESSOR BOARD COMMUNICATION BOARD M BUS BOARD BASE BOARD DUART UART0 UART1 UART2 UART3 UART4 I2C CARD USB1 USB2 ETH USB0 S1 S2 S3 I O DUART UART0 UART3 UART4 S4 S5 S6 UART1 UART2 3V 5V PWR ...

Страница 7: ... 1 Processor Board The processor board is central part of DL28 It contains power section processor module and headers for peripheral connectors memory cards and Ethernet connector Figure 5 DL28 Processor Board Block Diagram 14 05 2013 4 ...

Страница 8: ...stalled to PC after downloading from following web address http www ftdichip com Drivers VCP htm USB1 behaves as OTG type microAB while USB2 behaves as Host of type A Both of them can be used for connecting different USB peripherals such as memory cards and similar 2 1 4 Ethernet Connector Ethernet Connector enables plugging into local computer networks LAN wireless network modems WLAN cable modem...

Страница 9: ...Manual 2 2 Communication Board Communication board features USB0 connection as well as three serial RS232 485 connections S1 S2 and S3 All of them are galvanic isolated Figure 7 DL28 Communication Board Block Diagram 14 05 2013 6 ...

Страница 10: ... 485 signals This port is used for connecting devices that use asynchronous serial communications such as personal computers PC programmable logic controllers PLC and similar devices Indicator lights located above the RJ45 show status signals for sending TXD red LED on the right and receiving RXD green LED on the left Both signal types RS 232C and RS 485 can be active and operate simultaneously Wi...

Страница 11: ...e RJ45 show status signals for sending TXD red LED on the right and receiving RXD green LED on the left Both signal types RS 232C and RS 485 can be active and operate simultaneously With Echo jumper on the communication board two operating modes of RS 485 receiving can be set OFF 1 2 position for disabled sending echo and ON 2 3 position for enabled sending echo Jumper Term enables 120Ω terminatio...

Страница 12: ...er Manual 2 3 M Bus Board M Bus board serves as connection to systems and devices through standard EN1434 connector usually being used for meters and other measuring devices Figure 8 DL28 M Bus Board Block Diagram 14 05 2013 9 ...

Страница 13: ...s while data format should be set to 8E1 Indicator lights located above the connection blocks show status signals for sending TXD red LED on the right and receiving RXD green LED on the left Pin No Signal Type 1 MBus M Bus slave connector 2 MBus M Bus slave connector 2 3 3 Serial Connector S6 RJ45 8 8 port connects external devices to UART2 processor having four RS 232C and two RS 485 signals Both...

Страница 14: ...ve mentioned boards 2 4 1 Expansion Port DL28 features expansion port for adding other input output communication modules In this manner basic features can be enhanced and upgraded Pin No Signal Type 1 GND Ground 2 GND 3 5V expansion power supply having 5V 100mA 4 5V 5 SDA Data I O 6 SCL Clock I O 14 05 2013 11 ...

Страница 15: ...should be started and set to listen newly installed virtual serial port COM3 for instance with communication parameters 115200bps 8N1 The next step is powering DL28 Terminal application returns following while DL28 is starting Last text row shows info about possibility to cancel OS booting within 3 seconds by hitting any key on the PC keyboard After passing of 3 seconds OS will continue booting by...

Страница 16: ...g device OS should be up and ready Following screen shows terminal program appearance after OS start having the prompt for user login at the bottom Figure 10 Terminal application screen with user login prompt Default access parameters are decode login root Password root 14 05 2013 13 ...

Страница 17: ...unication between serial ports S3 and S6 TEST3 testing communication between ports S4 M Bus master and S6 M Bus slave The outcome of tests can be observed from the terminal window For serial ports testing cross linked serial cable with RJ45 connectors should be made as following RJ45 CONNECTOR 1 RJ45 CONNECTOR 2 Pin No Signal Signal Pin No 3 GND GND 3 4 TXD RXD 5 5 RXD TXD 4 For M Bus ports testin...

Страница 18: ...tPort is started user is asked to connect cross linked RJ45 serial cable to ports S1 and S2 confirming this action with y and ENTER keys Figure 11 Terminal screen output after TEST1 execution After communication testing in both ways S1 S2 and S2 S1 the TEST1 is completed and application advances to TEST2 automatically 14 05 2013 15 ...

Страница 19: ...al cable should be placed to ports S3 and S6 and confirmed by entering y and ENTER keys Figure 12 Terminal screen output after TEST2 execution After communication testing in both ways S3 S6 and S6 S3 the TEST2 is completed and application advances to TEST3 automatically 14 05 2013 16 ...

Страница 20: ... show in terminal window which is normal behaviour it shouldn t be regarded as error state or ports failure Figure 13 Terminal screen output after TEST3 execution After communication testing in S5 S4 direction the TEST2 is successfully completed Particular test can be run separately by entering n and ENTER keys to all other unnecessary tests Following screen shows successfully finished TEST2 while...

Страница 21: ...DL28 Installation and User Manual Figure 14 Terminal screen output after separate TEST2 was finished 14 05 2013 18 ...

Страница 22: ...jecting of USB flash memory stick Figure 15 Terminal screen output after attaching the flash memory to USB port USB OTG port testing can be done in similar way by attaching an USB Device mobile phone digital camera external hard disc flash memory This port is also used for uploading of OS to DL28 device Memory card of CARD type isn t supported by current OS version tests aren t functional either 1...

Страница 23: ... browser http 192 168 0 67 90 Device s web presentation shows general device info settings and maintenance pages as well as access to uploading of application to be executed on DL28 REMARK CP300 is one of commercial names for DL28 device when application CP 300 MUC is being used for main functions Figure 16 Web page of DL28 device By finishing above mentioned routines all connection ports of DL28 ...

Страница 24: ... RI DCD S2 RS 232C signals TD RD RTS CTS or RS 485 A and B S3 RS 232C signals TD RD RTS CTS or RS 485 A and B M Bus Board Serial connections galvanic isolated with indicator lights for transmit and receive S4 M Bus Master connects up to 3 slave devices S5 M Bus Slave S6 RS 232C signals TD RD RTS CTS or RS 485 A and B Expansion Port Type Male connector 2 x 3 pins with 2 54mm raster Signals GND 5V S...

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