Westermo TDW-33 Industrial Telephone Modem User guide
Westermo TDW-33 is a high-performance modem designed for industrial applications. It offers reliable data transmission over analog phone lines and supports V.90 standard for speeds up to 56 kbps. With its rugged design and extended temperature range, it's ideal for harsh environments. The TDW-33 features transparent data transfer, auto-answer, and remote configuration, making it easy to integrate into existing systems. Whether you need remote access, data acquisition, or telemetry, the TDW-33 provides a dependable solution for your industrial communication needs.
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www.westermo.com TDW-33 DIN-rail Tele V.90 modem General information Legal information The contents of this document are provided “as is”. Except as required by applicable law, no warranties of any kind, either express or implied, including, but not limited to, the implied warranties of merchantability and fitness for a particular purpose, are made in relation to the accuracy and reliability or contents of this document. Westermo reserves the right to revise this document or withdraw it at any time without prior notice. Under no circumstances shall Westermo be responsible for any loss of data or income or any special, incidental, and consequential or indirect damages howsoever caused. More information about Westermo can be found at the following Internet address: www.westermo.com 6619-2202 3 Safety Before installation: This modem is for restricted access area use only. Read this manual completely and gather all information on the unit. Make sure that you understand it fully. Check that your application does not exceed the safe operating specifications for this unit. This unit should only be installed by qualified personnel. This unit should be built-in to an apparatus cabinet, or similar, where access is restricted to service personnel only. The power supply wiring must be sufficiently fused, and if necessary it must be possible to disconnect manually from the power supply. Ensure compliance to national installation regulations. Maximum 20 A branch circuit protection required. The product is intended to work with IT power system. This unit uses convection cooling. To avoid obstructing the airflow around the unit, follow the spacing recommendations (see Cooling section). Before mounting, using or removing this unit: Prevent access to hazardous voltage by disconnecting the unit from power supply. Warning! Do not open connected unit. Hazardous voltage may occur within this unit when connected to power supply or TNV circuits. Care recommendations Follow the care recommendations below to maintain full operation of unit and to fulfil the warranty obligations. This unit must not be operating with removed covers or lids. Do not attempt to disassemble the unit. There are no user serviceable parts inside. Do not drop, knock or shake the unit, rough handling above the specification may cause damage to internal circuit boards. Do not use harsh chemicals, cleaning solvents or strong detergents to clean the unit. Do not paint the unit. Paint can clog the unit and prevent proper operation. Do not expose the unit to any kind of liquids (rain, beverages, etc). The unit is not waterproof. Keep the unit within the specified humidity levels. Do not use or store the unit in dusty, dirty areas, connectors as well as other mechanical part may be damaged. If the unit is not working properly, contact the place of purchase, nearest Westermo distributor office or Westermo Tech support. Maintenance No maintenance is required, as long as the unit is used as intended within the specified conditions. The unit interior doesn’t contain any user settable items, all configuration is performed via the DTE interface with AT-commands. 4 6619-2202 Product disposal This symbol means that the product shall not be treated as unsorted municipal waste when disposing of it. It needs to be handed over to an applicable collection point for recycling electrical and electronic equipment. By ensuring this product is disposed of correctly, you will help to reduce hazardous substances and prevent potential negative consequences to both environment and human health, which could be caused by inappropriate disposal. 6619-2202 5 Simplified EU declaration of conformity Hereby, Westermo declares that the equipment is in compliance with EU directives. The full EU declaration of conformity and other detailed information are available at the respective product page at www.westermo.com. Agency approvals and standards compliance Type Approval / Compliance EMC EN 55022, Emission IT equipment EN 55024, Immunity IT equipment EN 61000-6-1, Immunity residential environments EN 61000-6-2, Immunity industrial environments EN 61000-6-4, Emission industrial environments EN 50121-4, Railway signalling and telecommunications apparatus IEC 62236-4, Railway signalling and telecommunications apparatus Safety UL/IEC/EN 60950-1, IT equipment PSTN CS 03 Part 1, issue 9 ETSI TS103 021-1, ETSI TS103 021-2, ETSI TS103 021-3 AS/ACIF S002, AS/ACIF S006 According to: TIA-968-A and CS-03 Part 1, issue 9 This equipment complies with Part 68 of the FCC rules and the requirements adopted by the ACTA. On the left side of this equipment is a label that contains, among other information, a product identifier in the format US:AAAEQ##TXXXX. If requested, this number must be provided to the telephone company. A plug and jack used to connect this equipment to the premises wiring and telephone network must comply with the applicable FCC Part 68 rules and requirements adopted by the ACTA. A compliant telephone cord and modular plug is provided with this product. It is designed to be connected to a compatible modular jack that is also compliant. See installation instructions for details. Caution-to reduce the risk of fire, use only No.26 AWG or lager telecommunication cable. The USOC jack required RJ11-C, and the REN is used to determine the number of devices that may be connected to a telephone line. Excessive RENs on a telephone line may result in the devices not ringing in response to an incoming call. In most but not all areas, the sum of RENs should not exceed five (5.0). To be certain of the number of devices that may be connected to a line, as determined by the total RENs, contact the local telephone company. For products approved after July 23, 2001, the REN for this product is part of the product identifier that has the format US:AAAEQ##TXXXX. The digits represented by ## are the REN without a decimal point (e.g., 03 is a REN of 0.3). For earlier products, the REN is separately shown on the label. If this equipment TDW-33 causes harm to the telephone network, the telephone company will notify you in advance that temporary discontinuance of service may be required. But if advance notice isn't practical, the telephone company will notify the customer as soon as possible. Also, you will be advised of your right to file a complaint with the FCC if you believe it is necessary. The telephone company may make changes in its facilities, equipment, operations or procedures that could affect the operation of the equipment. If this happens the telephone company will provide advance notice in order for you to make necessary modifications to maintain uninterrupted service. 6 6619-2202 If trouble is experienced with this equipment TDW-33, for repair or warranty information, please contact Westermo Data Communication,Inc. 11200 Westheimer,Suit 900. Houston,TX,,77042. Phone number: 713-240-0367. If the equipment is causing harm to the telephone network, the telephone company may request that you disconnect the equipment until the problem is resolved. There are no repairs the customer/user can perform inside the modem. In the event of equipment malfunction, all repairs should be performed by our Company or an authorized agent. It is the responsibility of users requiring service to report the need for service to our Company or to one of our authorized agents. Service can be facilitated through our office at: Westermo Data Communication Inc 11200 Westheimer Suit 900 Houston,TX, 77042 TEL:713-240-0367 Connection to party line service is subject to state tariffs. Contact the state public utility commission, public service commission or corporation commission for information. If your home has specially wired alarm equipment connected to the telephone line, ensure the installation of this TDW-33 does not disable your alarm equipment. If you have questions about what will disable alarm equipment, consult your telephone company or a qualified installer. Electrical Safety Advisory: Parties responsible for equipment requiring AC power should consider including an advisory notice in their customer information suggesting the customer use a surge arrestor. Telephone companies report that electrical surges, typically lightning transients, are very destructive to customer terminal equipment connected to AC power sources. This has been identified as a major nationwide problem. EN 55022 Notice: Warning This is a class A product. In a domestic environment this product may cause radio interference in which case the user may be required to take adequate measures. 6619-2202 7 Type tests and environmental conditions Electromagnetic Compatibility Phenomena Test ESD EN 61000-4-2 RF field AM modulated RF field 900 MHz Fast transient IEC 61000-4-3 Surge EN 61000-4-5 RF conducted EN 61000-4-6 Power frequency magnetic field Pulse magnetic field Voltage dips and interruption EN 61000-4-8 Enclosure Signal ports Power ports Signal ports unbalanced Signal ports balanced Power ports Signal ports Power ports Enclosure EN 61000-4-9 EN 61000-4-11 Enclosure AC power ports Mains freq. 50 Hz Mains freq. 50 Hz Voltage dips and interruption EN 61000-4-16 SS 436 15 03 EN 61000-4-29 Signal ports Signal ports DC power ports Radiated emission Conducted emission EN 55022 EN 55022 FCC part 15 EN 55022 Dielectric strength EN 60950 Enclosure AC power ports AC power ports DC power ports PSTN Signal port to other isolated ports Power port to other isolated ports Environmental Temperature Humidity Altitude Reliability prediction (MTBF) Service life Vibration Shock Packaging Enclosure Dimension W x H x D Weight Degree of protection Cooling Mounting 8 Description Enclosure contact Enclosure air Enclosure ENV 50204 EN 61000-4-4 EN 60068-2-1 EN 60068-2-2 Test levels ± 6 kV ± 8 kV 20 V/m @ (80 – 2700) MHz 1 kHz sine, 80% AM 20 V/m pulse modulated 200 Hz, 900 ± 5 MHz ± 2 kV ± 2 kV ± 2 kV line to earth, ± 2 kV line to line ± 2 kV line to earth, ± 1 kV line to line ± 2 kV line to earth, ± 2 kV line to line 10 V 80% AM (1 kHz), 0.15 – 80 MHz 10 V 80% AM (1 kHz), 0.15 – 80 MHz 100 A/m, 50 Hz, 16.7 Hz & 0 Hz 300 A/m, 6.4 / 16 µs pulse 10 & 5 000 ms, interruption 10 & 500 ms, 30% reduction 100 & 1 000 ms, 60% reduction 100 V 50 Hz line to earth 250 V 50 Hz line to line 10 & 100 ms, interruption 10 ms, 30% reduction 10 ms, 60% reduction +20% above & –20% below rated voltage Class A Class B Class B Class B Class B 2 kVrms 50 Hz 1 min 3 kVrms 50 Hz 1 min 2 kVrms 50 Hz 1 min (@ rated power <60 V) Operating Storage & Transport Operating Storage & Transport Operating Operating –25 to +70°C –40 to +70°C 5 to 95% relative humidity non condensing 5 to 95% relative humidity non condensing 2 000 m / 70 kPa IEC 60068-2-6 Operating Operating IEC 60068-2-27 Operating 10 year 7.5 mm, 5 – 8 Hz 2 g, 8 – 500 Hz 15 g, 11 ms UL 94 PC / ABS IEC 529 Enclosure EN 60068-2-30 MIL-HDBK217F Flammability class V-1 35 x 121 x 119 mm 0.21 kg IP 21 Convection Horizontal on 35 mm DIN-rail 6619-2202 Description The TDW-33 is designed to function reliably within industrial environments and in areas of high level interference. The modem has an RS-232 interface supporting terminal data rates up to 115 kbit/s. The TDW-33 is a V.90 modem meaning that it can support data rates of up to 56 kbit/s on the PSTN line side. The modem is equipped with transient protection on the line side and a “watchdog” that monitors and automatically resets the modem in the event of a fault. These functions together with remote configuration make the modem perfect for installation at unmanned sites and prevent the need of costly service trips. The modem also has password protection, dial-back security and caller ID answering to ensure that only authorised users can communicate with the modem and any connected equipment. The TDW-33 is ideal for industrial applications as it mounts easily on to a 35 mm DINrail, runs from 12–36 VDC power supplies, has screw terminal connections and is tri galvanically isolated. For ease of setup the modem is supported by the Westermo TD-tool configuration software. Drivers for Windows setup are also supplied. … Extended temperature range –25°C to +70°C … Data rate up to 56 kbit/s (V.90) … Terminal rate up to 115.2 kbit/s … DTR and incoming data dialling … Watchdog … Secure call back and access … Industrial environment transient protection on all interfaces … Up to 11 data bits … Tri-Galvanic isolation (interface/line/supply) … Caller ID presentation and answering … Remote configuration 6619-2202 9 Interface specifications Power LV Rated voltage Operating voltage Rated current Rated frequency Inrush current I2t Startup current* Polarity Isolation to Connection Connector size Shielded cable 12 to 48 VDC or 12 to 34 VAC 10 to 60 VDC or 10 to 42 VAC 150 mA @ 12 VDC 70 mA @ 24 VDC 40 mA @ 48 VDC 150 mA @ 12 VAC 70 mA @ 24 VAC DC: – AC: 48 – 62 Hz 0.25 A2s 0.30 Apeak Polarity independent All other ports 3 kVrms 50 Hz 1 min Detachable screw terminal 0.2 – 2.5 mm2 (AWG 24-12) Not required * External supply current capability for proper startup Public Switched Telephone Network (PSTN) Electrical specification Public Switched Telephone Network Data rate 300 bit/s – 33.6 kbit/s Protocol Bell103, Bell212, V.21, V.22, V.22Bis, V.23C, V.32, V.32Bis, V.34, V.90 Protection Installation Fault Tolerant (up to ±60 V) Isolation to Power port 3 kVrms 50 Hz 1 min RS-232 2 kVrms 50 Hz 1 min Connection RJ-11C Shielded cable Not required RS-232 Electrical specification Data rate Data format Protocol Retiming Transmission range Isolation to Connection Connector size Shielded cable Conductive housing EIA/TIA-232 1 200 bit/s – 115.2 kbit/s 7 or 8 data bits, Odd, even or none parity, 1 or 2 stop bits; S 9-12 bits Transparent Yes Cable length < 15 m Power port 3 kVrms 50 Hz 1 min RS-232 2 kVrms 50 Hz 1 min 9-pin D-sub female (DCE) and Detachable screw terminal (DCE ) Detachable screw terminal 0.2 – 2.5 mm2 (AWG 24 – 12) Not required ** Isolated to all other circuits ** To minimise the risk of interference, a shielded cable is recommended when the cable is located inside 3 m boundary to the rails and connected to this port. The cable shield should be properly connected (360°) to an earthing point within 1 m from this port. This earthing point should have a low impedance connection to the conductive enclosure of the apparatus cabinet, or similar, where the unit is built-in. This conductive enclosure should be connected to the earthing system of an installation and may be directly connected to the protective earth. 10 6619-2202 RS-232 (DCE) Position D-sub Direction* No. 1 No. 2 No. 3 No. 4 No. 5 No. 6 No. 7 No. 8 No. 9 Out Out In In – Out In Out Out Position Screw terminal* – No. 2 No. 1 No. 3 No. 5 No. 4 D-sub description Description Data Carrier Direct (DCD) Received Data (RD) Transmitted Data (TD) Data Terminal Ready (DTR) Signal Ground (SG) Data Set Ready (DSR) Request To Send (RTS) Clear To Send (CTS) Ring Indicator (RI) Direction* Not Connected Out In In – Out LED Indicators (for details see next page) 1 2 3 4 5 6 7 8 9 Description Data Carrier Direct (DCD) Received Data (RD) Transmitted Data (TD) Data Terminal Ready (DTR) Signal Ground (SG) Data Set Ready (DSR) PSTN Position RJ-11C a b c d e f Direction* In/Out In/Out Product marking PSTN Description Not Connected Not Connected PSTN Transmit/ Receive PSTN Transmit/ Receive Not Connected Not Connected Power LV Position No. 1 No. 2 Direction* In In Description Product marking –Voltage +Voltage * Direction relative this unit. 6619-2202 11 LED Indicators LED TD Transmit data RD Receive data RTS Request to send DCD Data carrier detect DTR Data terminal ready REL Reliable mode LINE PWR Power 12 Status OFF ON / FLASH OFF ON / FLASH OFF ON OFF ON OFF ON OFF ON FLASH OFF ON FLASH OFF ON FLASH Description No data The modem receiving data on the DTE interface No data The modem transmitting data on the DTE interface RTS signal is inactive RTS signal is active DCD signal is inactive DCD signal is active, modem has detected a carrier or the signal is set to always ON DTR signal is inactive DTR signal is active Reliable mode is OFF, direct or normal mode Reliable mode is ON Reliable mode with error correction and compression The modem is on-hook The modem is off-hook with a established connection The modem is off-hook and negotiating The modem has no power The modem is up and running The modem is in the power-on selftest 6619-2202 Mounting This unit should be mounted on 35 mm DIN-rail, which is horizontally mounted inside an apparatus cabinet, or similar. Snap on mounting, see figure. CLICK! CLICK! Cooling This unit uses convection cooling. To avoid obstructing the airflow around the unit, use the following spacing rules. Minimum spacing 25 mm (1.0 inch) above /below and 10 mm (0.4 inches) left /right the unit. Spacing is recommended for the use of unit in full operating temperature range and service life. 10 mm * (0.4 inches) * S pacing (left/right) recommended for full operating temperature range 25 mm 25 mm Removal Press down the black support at the top of the unit. See figure. 6619-2202 13 Windows configuration tool TD-Tool The TD-Tool is a PC – application program with a graphical interface for easy configuration of the complex functions found on the encolsed CD or at the Westermo website. Please refer to TD-Tool for a complete description of the functionality of the Windows program. AT-Commands Please refer to the AT Commands Interface Guide found on the enclosed CD or at the Westermo website for a complete list of all available AT-commands and a detailed description of the serial AT-command interface. Configuration The TDW-33 can be configured both from the local DTE interface and remotely over the PSTN network. Whether the local or remote interface is used the configuration can be made with AT-commands or with a PC-based application configuration tool. The TDW-33 can be configured from a remote modem. To configure a TDW-33 any GSM, ISDN or PSTN modem can be used. The modem used to configure is referred as the “local modem”. Please make sure that the remote TDW-33 is connected to the PSTN network and is powered up. … Connect the local modem to it's media (ISDN, PSTN or GSM) … Connect the PC's com-port to the DTE interface of the local modem. … Connect the power supply. … Start a terminal emulation program (i.e. Windows Hyper-Terminal). … Configure the local modem data rate and word format. … Set up a connection to the remote TDW-33 to be configured by using the normal dial command: ATD<No><CR>. When connected send the remote escape sequence <++++>. The called remote TDW-33 will acknowledges by requesting the remote password. Enter the correct password (default: no password, just return). Next; configure the remote TDW-33 using AT-commands. The password for remote configuration is defined with AT*WRCP – Remote configuration password. … Configure the parameter on the remote TDW-33 from your terminal program and save the settings with AT&W. … Hang up the connection using the ATH command. 14 6619-2202 Application examples … TDW-33 connected to TDW-33 with DTR signal call PSTN Network Configure the units AT&F AT&W Set the unit to factory default Store default settings Set up the connection – The dialling modem AT&Z0=nnn AT&S0 AT&B1 AT&W Switch DTR from OFF to ON Store the number of the remote modem in the dialling TDW-33 Set DSR signal always high (if this signal is used to trig the DTR) Activates automatic DTR dialling if DTR switches from low (OFF) to high (ON) Save settings The modem will now dial the phone number stored in the first location of the telephone number table (AT&Z0=<nnn>) Set up the connection – The answering modem ATA NOTE: Enter the answer command when RING comes from the network or set up ATS0=1 to auto answer on 1 RING signal (or more than 1) If no valid DTR signal can be provided by external application, the modems DSR signal can be used to trig the transmission. Connect the DSR signal via a relay, or other potential free contact, to the DTR signal. A 10 kohm pull down resistor should also be connected between the DTR and a signal that is always low e.g. the DCD. Relay DTR External application DSR DCD 6619-2202 10 kohm May be required in harsh environments. 15 … Frequently used settings for PLC-systems PSTN Network Most PLC-systems and other industrial applications where modems are used require the same changes to the standard settings. The most commonly encountered problems concern speed, parity and control signals from the connected equipment. If this action does not solve the problem the modem’s answering codes and possible echoing of commands might be the source of the difficulty. Below follows a list of commands that might resolve the problems. The commands may of course be placed on one single command line if desired. Configure the TDW-33 connected to the PLC AT&F ATV0 ATQ1 ATE0 AT&C1 AT&K0 AT&A1 AT&W 16 Set the unit to factory default. Gives the answering codes in short format. (digits) No result codes are sent on the RS-232/V.24 connection. Commands that are sent from the terminal/computer etc. are not echoed back to the RS-232/V.24 connection. DCD will follow the carrier on the line. No hand shaking. Character abort option on. Store default settings. 6619-2202 … TDW-33 – Secure Call-back The TDW-33 is connected to a PLC which one want to restrict access to. The TDW33 can support access control through the Secure Callback function. In this example password and callback to a predefined number is chosen. The modem in the calling end is here chosen to be a PSTN modem, but can be any of the PSTN, ISDN or GSM modem from the Westermo product range. The DTE serial speed between the PLC – TDW-33 and TD-36 – PC is assumed to be 9600 8N1 but can be chosen to fit the actual system requirement. PSTN Network Configure the TDW-33 AT&F AT+IPR=9600 AT+ICF=3,4 ATS0=1 ATQ1E0&C1&K0&A1 AT&W AT*WCB=4 AT*WCBTAB=1,”+4670428000”, ”n3Y9kA6otYZu8” AT*WCBTIME=10 6619-2202 Set the unit to factory default DTE baudrate 9600 Character framing 8 data, 1 stop, parity none Auto answer after first ring Suitable for PLC communication Store default settings Callback enabled, Password and callback number stored in one or more positions of wcbtab Define callback number 1 When password 1 is entered number +4670428000 will be called Define delay time between hangup and callback The TD-36 will wait 10 s after hangup to callback to allow the analogue modem to hangup 17 Configure the TD-36 AT&F AT+IPR=9600 AT+ICF=3,4 ATS0=1 AT&W Set the unit to factory default DTE baudrate 9600 Character framing 8 data, 1 stop, parity none Auto answer after first ring Store default settings Set up the connection The dialling modem TD-36 ATD0705123456 NO CARRIER The answering modem TDW-33 TDW-33 answers the call and requests to TDW-33 TDW-33 verifies the password to the passwords stored and if true compare dissconnects. Wait 10s CONNECT 9600 TDW-33 dials +4670428000 CONNECT 9600 CONNECT 9600 18 Comment Dial the number to TDW-33 Operator/system at TD-36 enters Password: n3Y9kA6otYZu8 The connection is broken and TDW-33 waits the programmed 10s for TDW-33 to disconnect The number programmed corresponding to the password is dialled, preferable it’s the number to the TD-36 Connection is established between the PC at TD-36 and the PLC at TDW-33 6619-2202 … TDW-33 – Silent answering on predefined number The TDW-33 is connected to a power meter which is remotely monitored. The TDW-33 shares the PSTN line with normal telephones which is preferred not to give a ring signal when the meter is read. The TDW-33 is configured to answer calls on the Caller ID received, the valid numbers to answer is programmed into the TDW-33. There exists a number of standards for sending Caller ID check which standard is used by your operator. The TDW-33 supports the major implementations of Caller ID. In this example the DTMF Caller ID version is used. Note that some implementations doesn’t give the possibility to make a silent answer since the Caller ID is sent between first and second ring signal. The modem in the calling end is here chosen to be a PSTN modem, but can be any of the PSTN, ISDN or GSM modem from Westermo product range. PSTN Network Configure the TDW-33 connected to the power meter AT&F AT+IPR=9600 AT+ICF=3,4 ATS0=0 ATQ1E0&C1&K0&A1 AT&W AT*WACCTAB=1,”016428000” AT*WACCTAB=2,”016480250” AT*WCID=3,3 6619-2202 Set the unit to factory default DTE baudrate 9600 Character framing 8 data, 1 stop, parity none No auto answer on Ring signals Suitable for PLC communication Save settings Set the valid A-numbers for automatic answering Set Caller ID to A-number answer with DTMF coded numbers 19 Westermo • SE-640 40 Stora Sundby, Sweden Tel +46 16 42 80 00 Fax +46 16 42 80 01 E-mail: [email protected] www.westermo.com REV.F 6619-2202 2019-01 Westermo Network Technologies AB, Sweden ">

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