Moxa TCC-120
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1. Repeaters come in Simply wire the power terminal block wire the two signal terminal blocks set the DIP switches and you re ready to go The RS 422 485 standards use a differential signal for transmitting data signals In addition to distance and multi drop issues for industrial applications housing wiring power supply and over surge protection are also serious concerns The TCC 120I provides isolation protection for users who need an industrial grade repeater to extend RS 422 485 transmission distance and increase networking capability The superior industrial application design of this product which includes DIN Rail mounting terminal block wiring external terminal block power and optical isolation for system protection makes the TCC 120 120I suitable for use in critical industrial environments 1 2 TCC 120 120I1 User s Guide Introduction Built in RS 485 ADDC Intelligence ADDC Automatic Data Direction Control a Moxa leading technology uses a clever hardware solution to take care of the RS 485 data flow control problem ADDC is a hardware data flow solution that automatically senses and controls data direction making the handshaking signal method unnecessary 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 th2. 20 120I are used to set the signal transmission mode and to enable or disable the termination resistor You can configure for either 2 wire RS 485 or 4 wire RS 422 485 transmission mode Also note that your program and serial port should be set to match the repeater s settings NOTE The TCC 120 120I has two sets of DIP Switches one set on the top end and the other set on the bottom end To ensure proper data transmission make sure that the two sets of DIP switches are configured the same SW1 Switch 1 selects 4 wire or 2 wire mode Set Switch 1 to the ON position for 4 wire and to the OFF position for 2 wire SW2 Switch 2 enables or disables termination Set Switch 2 to the ON position to enable termination and to the OFF position to disable termination gt For easy reference the following figures show the four possible settings 2 2 TCC 120 120I User s Guide Installation Dip Switch Settings SW1 SW2 ON RS 422 4 wire RS 485 no with Terminator ON ON 12 4 wire termination enabled SW1 SW2 ON 422 4 wire RS f RS 422 4 wire RS 485 ON OFF T3 4 wire termination disabled SW1 SW2 ON 2 wire RS 485 Au with Terminator OFF ON 1 2 2 wire termination enabled SW1 SW2 ON wire RS AA 2 wire RS 485 OFF OFF oe 2 wire termination disabled STEP 2 Attach the Power Supply Power Supply 12 48 VDC The TCC 120 120I is powered by an
3. A 24Vx143mA 24V x 195 mA 30Vx113mA 30V x 156 mA Mechanical Dimensions W x D x H 67 x 100 x 22 mm casing only 90 x 100 x 22 mm including ears Casing material Aluminum Plug In Screw Terminal Block 22 16 AWG Color Black Weight 148 5 g Regulatory Approvals CE FCC Class B 1 6 TCC 120 120I User s Guide Introduction Product Views Top End View Top Panel View Side View O EUME LED Indicators The TCC 120 120I1 s top panel contains three LED indicators as described in the table below TCC 120 1201 Users Guide 1 7 LED Name LED Function PWR Red indicates the power is on NA Data is entering through the top end port y Orange and exiting through the bottom end port A Data is entering through the bottom end A Green port and exiting through the top end port 1 8 TCC 120 120I User s Guide 2 Installation This chapter includes information about how to install the TCC 120 1201 The following topics are covered in this chapter Q Hardware Installation Hardware Installation Four steps are required to installing the TCC 120 1201 e STEP 1 Set the terminator DIP Switches e STEP 2 Attach the Power Supply e STEP 3 Wire the RS 422 485 Terminal Blocks e STEP 4 Test the Connection The details of each of these four steps are described next STEP 1 Set the DIP Switches The DIP Switches on the TCC 1
4. Moxa TCC 120 1201 User s Guide www moxa com product Eighth Edition August 2009 MOXN 2009 Moxa Inc All rights reserved Reproduction without permission is prohibited Moxa TCC 120 1201 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 O 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
5. and these 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 Pacific Tel 886 2 8919 1230 Fax 886 2 8919 1231 Chapter 1 Chapter 2 Table of Contents Introduction 1 1 OVEIVICW O 1 2 Product Features eeren 1 4 Package Checklist eccececceeseeeeeeeeneeeaes 1 4 Product Specifications eceeeeeeeeeeees 1 5 Product VICWS eseceeseseeeeeeeneeeteeneeeeteneeeens 1 7 LED Indicators AA Abr 1 7 Installation 2 1 Hardware Installation ccccccceeeeeeeeeeeeee 2 2 1 Introduction The TCC 120 and TCC 120I are RS 422 485 isolated repeaters and the TCC 120I comes with 2 KV isolation protection The following topics are covered in this chapter Overview Product Features Package Checklist Product Specifications Product Views LED Indicators O ooo co oOo Overview Introduction Many important devices used in today s industrial environment use the RS 422 or RS 485 interface for data transmission In some cases however it is necessary to extend the transmission distance between RS 422 485 devices This is where the TCC 120 120I RS 422 485
6. en the other photo coupler transforms the light signal back into an electrical signal In this way the two electrical circuits are completely isolated from each other limiting the 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 The TCC 120 120I s terminator is set with a DIP Switch located on the outside of the converter s casing TCC 120 120I Users Guide 1 3 Auto Baudrate Detection The TCC 120 1201 incorporates a method for automatically detecting the serial signal s baudrate by hardware This is an extremely convenient feature for the user Even if a device s baudrate changes the signal will still be transmitted through the RS 422 485 repeater without any problems Product Features e Boost serial signal for extending transmission distance up to an additional 1 2 km e Wall or DIN Rail mountable e Terminal block for easy
7. external 12 48 VDC power supply To connect to the power supply run two wires from the V and V terminals on the TCC 120 s 3 connector terminal block to the DC power supply as shown in the figure on the left Once the power supply is connected to its power source the PWR LED located on the TCC 120 s top panel should be illuminated in red TCC 120 120I Users Guide 2 3 NOTE The TCC 120 1201 provides reverse power protection It will automatically detect which power wire is negative and which is positive STEP 3 Wire the Terminal Block There are two wiring options available for connecting to the TCC 120 120I s RS 422 485 terminal block Data H O R D Data O R D 1S T I Te SGND 2 SGND 2 wire When using the 2 wire for RS 485 wiring option you will need to connect three wires from each of the TCC 120 120I s RS 422 485 terminal blocks to the opposite connections Connect from R D to Data from R D to Data and from SGND to SGND 4 wire When using the 4 wire for RS 422 or 4 wire RS 485 wiring option you will need to connect five wires from each of the TCC 120 120I s RS 422 485 terminal blocks to the opposite connections Connect from R D to Tx from R D toTx from T to Rx from T to Rx and from SGND to SGND 2 4 TCC 120 120I User s Guide Installation STEP 4 Test the Connection After set
8. ting the DIP Switches connecting the power and wiring the terminal block 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 Industio CP 132 installed on your PC you can connect your PC s COM port to one of the TCC 120 120I s RS 422 485 terminal blocks and connect the TCC 120 120I s other RS 422 485 terminal block to one of the RS 422 485 serial board s ports Next start HyperTerminal or Moxa Terminal Emulator and then open a connection to the COM port and to the port associated with the TCC 120 120I 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 the TCC 120 120I s two RS 422 485 ports TCC 120 120I Users Guide 2 5
9. wiring e Power input from terminal block e DIP switch setting for built in terminator 120 ohms e PWR Tx Rx LEDs e Operating temperature from 20 to 60 C e 2KV Isolation for the TCC 1201 Package Checklist Before installing the TCC 120 120I verify that the package contains the following items Standard Accessories e TCC 120 or TCC 1201 e User s Guide e Warranty Card e 5 contact terminal block connector x 2 e 3 contact terminal block connector x 1 1 4 TCC 120 120I1 User s Guide Optional Accessory Introduction e 2DIN Railmounting brackets with 4 screws Please notify your sales representative if any of the above items is missing or damaged Product Specifications Model Names Communication Signals for 2 wire RS 485 2 wire Signals for 4 wire RS 422 or 4 wire RS 485 RS 485 Data Direction Control Baudrate Isolation Environmental Operating Temperature Storage Temperature Humidity Power Input Power Voltage Reverse Power Protection Over Current Protection TCC 120 TCC 1201 Data Data SGND Tx Tx Rx Rx SGND ADDC 50 bps to 921 6 Kbps 2 KV for both Power and Signal TCC 1201 20 to 60 C 20 to 85 C 5 to 95 RH External 12 48 VDC Power Terminal Block Protects against V V reversal Protects against 2 signals shorted together TCC 120 120I Users Guide 1 5 Power Consumption TCC 120 TCC 120I 3 4W 3 68 W 12Vx286mA 12Vx390m
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