Moxa TCC-100-T
Contents
1. 1 Set the DIP Switches STEP 2 Attach the Power Supply STEP 3 Wire the Terminal Block STEP 4 Attach the RS 232 Converter STEP 5 Test the Connection The details of each of these five steps are described next STEP 1 Set the DIP Switches The DIP Switches on TCC100 1001 are used to set the signal transmission mode and enable or disable the termination resistor You can configure for either RS 422 or RS 485 transmission mode Your program and serial port should be set to match the converter s settings SW1 Switch 1 selects RS 422 or RS 485 mode The default is On for RS 422 mode SW2 Switch 2 selects 2 wire or 4 wire RS 485 mode The default is On for 4 wire RS 485 Note that if Switch is set to RS 422 mode then Switch 2 is inactive SW3 Switch 3 enables the terminator to 120 Ohms When enabled the 120 Ohm resistor prevents signal reflection during RS 485 transmission The default is On to enable the terminator If your particular application does not require using the termination resistor then simply set Switch 3 to the off position to disable it Installation Dip Switch Settings SW1 SW2 SW3 RS 422 Terminator active ON ON ON SW1 SW2 SW3 RS 422 ON ON OFF 4 wire RS 485 Terminator Sw1 sw2 SW3 ae OFF ON ON SW1 SW2 SW3 4 wire RS 485 OFF ON OFF 2 wire RS 485 with SW1 SW2 SW3 Terminator OFF OFF ON SW1 SW2 SW3 2 wire RS 485 OF2. damage that could otherwise be caused by power surges in the electrical signal Reverse Power Protection The Reverse Power Protection feature provides extra protection against accidentally connecting the power cables to the wrong terminal The converter is designed to automatically detect which power wire is positive and which is negative and then adjust the power supply accordingly DIP Switch Selectable Terminator For many products of this type the termination resistor is set by a jumper located inside the product s casing so that the user must open the casing to disable or change the resistor s strength Moxa offers a better solution TCC 100 Series s terminator is set with a DIP Switch located on the outside of the converter s casing Moxa TCC 100 Series User s Guide Auto Baud Rate Detection TCC 100 Series incorporates a method for automatically detecting the serial signal s baud rate by hardware This is an extremely convenient feature for the user Even if a device s baud rate changes the signal will still be transmitted through the RS 232 to RS 422 488 converter without any problem Product Features RS 232 to RS 422 conversion with RTC CTS support RS 232 to 2 4 wire RS 485 conversion e Detachable wall and DIN Rail mounting for easy RS 422 485 wiring e PWR Tx and Rx LEDs 15 KV ESD Protection e 2 KV Isolation TCC 100I TCC 100I T for both power and RS 422 485 signals Operating temper
3. F OFF OFF Moxa TCC 100 Series User s Guide The newly implemented DIP 2 Switches are used to configure the pull high low resistors for different applications 1K ija 150K l 7 Q CE FE rons N LJ D O 5 z D O Q Ko Pull High Low Resistor DIP 2SW1 DIP 2 SW2 150K OFF OFF 1K default ON ON NOTE when termination is enabled We recommend setting the pull high low resistor to 1K ON ON 2 4 Installation STEP 2 Attach the Power Supply am Be Sse Power Supply 12 48 VDC TCC 100 Series is powered by an external 12 to 48 VDC power supply To connect the power supply run two wires from the V and V terminals on TCC s 3 connector terminal block to the DC power supply as shown in the figure Once the power supply is connected to its power source the PWR LED located on TCC s top panel should become illuminated in red NOTE TCC 100 Series provides reverse power protection Le it will automatically detect which power wire is negative and which is positive STEP 3 Wire the Terminal Block There are three wiring options available for connecting to TCC 100 Series s RS 422 485 terminal block S8E 8S Oss Data Data SGND
4. Moxa TCC 100 Series User s Guide Eighth Edition February 2009 www moxa com product MOXA 2009 Moxa Inc All rights reserved Reproduction without permission is prohibited Moxa TCC 100 Series User s Guide The software 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 the
5. T 300mA 12V TCC 1001 TCC 100I T 400mA 12V 67 x 100 x 22 mm without DIN Rail mounting kit 90 x 100 x 22 mm with DIN Rail mounting kit Aluminum 22 16 AWG 148 5 g CE FCC Class B Moxa TCC 100 Series User s Guide WARNING 1 This unit is not meant to be sold to consumers It will only be shipped to manufacturers of factories 2 The DC source should come from an external adapter or 12 to 48 VDC source not from DC mains by using a transfer device 3 This unit should be installed or set up by a qualified service person Schematic 11 5 mm 22mm HH 67 mm _ Introduction LED Indicators TCC 100 Series s top panel contains three LED indicators as described in the following table LED Name LED Function PWR Red indicates the power is on y Green indicates TCC 100 Series v is receiving data from the RS 232 port A Yellow indicates TCC 100 Series is receiving data from the RS 422 485 port 2 Installation This chapter includes information about how to install TCC 100 Series as well as function and block diagrams The following topics are covered in this chapter Hardware Installation Termination Resistor Diagram Function Diagram Isolation Block Diagram Ooooo Typical Applications Moxa TCC 100 Series User s Guide Hardware Installation Installing TCC 100 Series involves five straightforward steps STEP
6. UOARWON Zz 9 8 7 6 RS 232 Pin Assignment Diagram STEP 5 Test the Connection After setting the DIP Switches connecting the power wiring the terminal block and attaching the RS 232 connector we suggest using a Console Terminal program such as HyperTerminal or Moxa Terminal Emulator to test the connection If you have an RS 422 485 serial board such as Moxa CP 132 a 2 port RS 422 485 board installed in your PC you can connect your PC s COM port to TCC 100 Series s RS 232 port and then connect TCC 100 Series s RS 422 485 terminal block to one of the RS 422 485 serial board s ports Alternatively if you have already set up an RS 422 or RS 485 network you can also connect TCC 100 Series s RS 422 485 terminal block directly to that network Next start HyperTerminal or Moxa Terminal Emulator and then open a connection to both the COM port and the port associated with TCC 100 Series s RS 422 485 port Simply type a few characters on your PC s keyboard The characters you type should show up in the HyperTerminal window that is currently inactive indicating that the typed characters were transmitted between TCC 100 Series s RS 232 port and RS 422 485 terminal block connector Installation Termination Resistor Diagram Termination is designed to Ua gt Termination Resistor mitigate noise from the S3 On to Enable H RS 422 485 transmission SB Ofte Disable signals If the network cable i
7. ature TCC 100 100I 20 to 60 C 4 to 140 F TCC 100 T 100I T 40 to 85 C 40 to 185 F Package Checklist Before installing Moxa TCC 100 Series verify that the package contains the following items TCC 100 Series User s Manual this document Warranty Booklet Please notify your sales representative if any of the above items is missing or damaged 1 4 Introduction Product Specifications Model Names Communication RS 232 Signal RS 422 485 Signal RS 485 Data Direction Control Baud Rate ESD Protection Tsolation Environment Operating Temperature Storage Temperature Humidity Power Input Power Voltage Reverse Power Protection Over Current Protection Power Consumption Mechanical Dimensions WxDxH Case Plug In Screw Terminal Block Weight Regulatory Approvals TCC 100 Series Supports Tx Rx RTS CTS Female DB9 interface Terminal Block connector DIP Switch selectable 4 wire RS 422 with RTS CTS up to 10 nodes 1 2 km 4 wire RS 485 up to 32 nodes 1 2 km 2 wire RS 485 up to 32 nodes 1 2 km ADDC 50 bps to 921 6 Kbps 15 KV 2 KV TCC 100I TCC 100I T for both Power and Signal TCC 100 TCC 1001 20 60 C 4 to 140 F TCC 100 T TCC 100L T 40 to 85 C 40 to 185 F 20 to 85 C 4 to 185 F 5 to 95 RH External Power 12 48 VDC Terminal Block Protects against V V reversal Protects against 2 signals shorted together TCC 100 TCC 100
8. c Tx B Tx A Rx B Data Rx A Data RTS B RTS A CTS B CTS A SGND m Tx B Tx A Rx B Data Rx A Data RTS B RTS A CTS B CTS A SGND 2 wire RS 485 When using the 2 wire RS 485 wiring option connect three wires from TCC 100 Series s terminal block to the opposite connection As shown in the figure connect from Data to Data from Data to Data and from SGND to SGND 4 wire RS 485 When using the 4 wire RS 485 wiring option connect five wires from TCC 100 Series s terminal block to the opposite connection As shown in the figure connect from Tx B to Rx from Tx A to Rx from Rx B to Tx from Rx A to Tx and from SGND to SGND Moxa TCC 100 Series User s Guide RS 422 When using the RS 422 wiring option first 0 IEN follow the 4 wire RS 485 wiring instructions X7 r x7 T HS Rx B Data given above ce a Optional RTS CTS Handshaking Signals RTS A Optional If your software is set up to send and receive ea RTS CTS signals over separate wires you SGND should also connect from RTS B to CTS from RTS A to CTS from CTS B to RTS and from CTS A to RTS STEP 4 Attach the RS 232 Female DB9 PIN RS 232 Connector Depending on your application TxD use the appropriate serial cable to RxD connect from CC 100 100I s RS 232 Female DB9 port to your RS 232 device or to your computer s COM port OMOND
9. eeeaeeeeneeeees 2 8 1 Introduction TCC 100 Series is an RS 232 to RS 422 485 media converter Note that TCC 1001 TCC 1001 T comes with 2 KV isolation protection The following topics are covered in this chapter Overview Product Features Package Checklist Product Specifications Schematic LED Indicators Oooocooo Moxa TCC 100 Series User s Guide Overview Introduction Many important devices used in today s industrial environment are still designed for use with an RS 232 interface The reason is due in part to tradition and in part to convenience RS 232 hardware is relatively easy to design and the device can be readily connected to most PCs The drawback is that RS 232 is a point to point interface and it imposes a distance limitation of only 15 meters between the device and the computer To overcome these limitations many users employ RS 232 to RS 422 485 converters allowing RS 232 devices to connect to an industrial RS 422 or RS 485 network and transmit data over distances up to 1 2 km The RS 422 485 standards overcome the distance limitation by using a differential signal for transmitting data and control signals Transmission distance and multi drop connections are not the only issues of importance for industrial applications In addition housing wiring power supply and over surge protection are also serious concerns 1 2 Introduction TCC 100 Series provides isolation protection for user
10. s too long undesirable transmission line effects will arise The best method for mitigating energy on an unused conductor is to dissipate the RxDt RxD energy as heat by terminating both ends of the unused conductor to ground with resistors so called bi directional termination The resistance of the resistors should be equal to the characteristic impedance of the line The most common RS 485 twisted pair has a characteristic impendence of 100 120 Ohm Moxa s termination technique is bi directional termination which offers excellent signal integrity With this technique the line drivers can be located anywhere on the network Function Diagram Communication DPD Controller TxD RxD N RS 232 RS 422 485 __ TxD fF Line Driver 45 lt Line Driver _RxD Data g 2 eee RxD Data v GND ADDC JE S Logic isolation re 2 7 Moxa TCC 100 Series User s Guide Isolation Block Diagram Data Data Output Input 5V Regulated Power Supply Local Power 12 30 VDC Typical Applications RS 485 Application A typical RS 485 application for TCC 100 Series is depicted in the following figure In this scenario two TCC 100 Series units are used to connect two PCs to an RS 485 network The third TCC 100 Series is used to connect the PLC which is designed for the RS 232 interface
11. s who need an industrial grade interface conversion product to extend RS 232 transmission distance and increase networking capability Its superior industrial application design which includes DIN Rail mounting terminal block wiring external terminal block power and optical isolation for system protection makes TCC 100 Series suitable for use in critical industrial environments Simply put your RS 232 devices can be used as part of an industrial RS 422 485 network but without any hardware or software changes RTS CTS RS 422 Handshaking Signals TCC 100 Series provides RS 422 handshaking signal support The RTS and CTS signals help solve the RS 422 signal handshaking problem and reduce data transmission errors Built in RS 485 ADDC Intelligence ADDC Automatic Data Direction Control a Moxa leading technology uses a clever hardware solution to manage RS 485 s data flow control problem ADDC is a hardware data flow solution that automatically senses and controls data direction making the handshaking signal method obsolete Isolation Moxa s electrical isolation technology uses two photo couplers to create a gap in each electrical signal One photo coupler transforms the electrical signal into a light signal which is transmitted across a small gap and then the other photo coupler transforms the light back into an electrical signal In this way the two electrical circuits are completely isolated from each other limiting the
12. se changes are incorporated into new editions of the publication Technical Support Contact Information Www moxa com support Moxa Americas Toll free 1 888 669 2872 Tel 1 714 528 6777 Fax 1 714 528 6778 Moxa Europe Tel 49 89 3 70 03 99 0 Fax 49 89 3 70 03 99 99 Moxa China Shanghai office Toll free 800 820 5036 Tel 86 21 5258 9955 Fax 86 10 6872 3958 Moxa Asia Paci Tel 886 2 8919 1230 Fax 886 2 8919 1231 Chapter 1 Chapter 2 Table of Contents INtFOCUCTION sscseesseseescesseeseessesseesenssenseesseeseenaees 1 1 OVEIVIEW suceceicaass aceesencscentosanciecienticassieuveniecedesaieeevetiaceoenss 1 2 Product Features ororena eaer aE aa 1 4 Package Checklist isssccccccssusaseceveccocansetsversvsesccaturvessievsecoieese 1 4 Product Specifications cccceseeesceeeeeeeeseseeeeseeeeaeeeeeees 1 5 SChEMALLC of ssseessisisisieseeseicvinte caste isiaieteaesvaunsieusestentaeetes 1 6 LED Indicatots csccscsessssssvesevsrstectssssscrsrenvigenestnacteaiseess 1 7 Installation ccsssessseesesseeseeseesserseessenseeseeeseneeees 2 1 Hardware Installation cccsecessecesseeeeeeeeeeeeseeeeseneeeeees 2 2 Termination Resistor Diagram ccsseeseeeeseeeeteeeeteeeeee 2 7 Function Diagram cceecceseseeeeseeeeseeceeeceeeseeeeeeeaeeeeas 2 7 Isolation Block Diagram ccceceseeeseeceteeceseeseeeeseneeneees 2 8 Typical Applications ccceeseeeeseeeeseeseeeeseeeese
13. to the RS 485 network In this way both PCs are able to interact with the PLC and the LCD Display MOXA TCC 100 Series T LCD Display fos PS A Ros RS 232 PLC MOXA TCC 100 Series Installation RS 422 Application A typical RS 422 application for TCC 100 Series is depicted in the following figure In this scenario two TCC 100 Series units are used to create a point to point connection between a PC and Scales The advantage of using two TCC 100 Series units to convert from RS 232 to RS 422 and then back to RS 232 is that the RS 422 cable connecting the two converters can be up to 1 2 km in length this is quite an improvement compared to the 15 m distance limitation imposed by the RS 232 interface ere ns H w optional RTS CTS _ on RS 422 Point to Point MOXA Communication MOXA Scales TCC 100 Series TCC 100 Series
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