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ADAM-4550
Radio Modem Module
(RS-232/485 Interface)
User’s Manual
ADAM and the ADAM logo are trademarks of Advantech Part no. 2000455000 2nd Edition Printed in Taiwan October 1997
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Contents 1. Introduction .............................................. 3 4. ADAM-4550 Command Set ..................... 17 1.1 Built-in Intelligence .......................... 3 4.1 Set New Configuration .................... 20 1.2 Features .......................................... 3 4.2 Read Configuration ......................... 22 1.3 Specifications .................................. 4 4.3 Write Identification .......................... 22 4.4 Read Identification ..........................
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FCC Identification MKZAZY4550MDM FCC Warning This equipment has been tested and found to comply with the limits for a Class A digital device, pursuant to Part15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference when the equipment is operated in an industrial / commercial installa- tion. This equipment generates, uses, and can radiate radio frequency energy and, if not installed and used in accordance with the instruction manual, may cause
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1. Introduction 1.2 Features • Built-in microprocessor ADAM-4550 is an economical, wireless RS-232/ 485 converter designed to interface any bidirec- • Data transmission speeds up to 115.2 Kbps tional RS-485 device with a control center host • Built-in RS-485 line surge protection computer. The ADAM-4550 can be used in data acquisition where data sensors are inaccessi- • Software configurable address and baud rate ble to the host computer due to wiring difficul- • Easily mounted on DIN rails, pa
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1.3 Specifications • Standard accessories: Nylon DIN-rail mounting adapter, SECC panel mounting • Transmission speed (bps): 300, 600, 1200, bracket 2400, 4800, 9600, 19.2K, 38.4K, 57.6K, 115.2K (transmission speeds are software •RS-232 interface connector: DB-9 configurable) (female) • Radio frequency : 2.442 GHz, Direct • RS-485 interface connector: Plug-in screw Sequence Spread Spectrum (DSSS) type terminal [accepts AWG 1-#12 or 2- 2 #14~#22 (0.5 to 2.5 mm ) wires] • Radio bandwidth : 22 MHz
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2. Installation ripples must be limited to 5 V peak to peak, while voltage must in all cases remain between +10 and +30 V . All power supply specifications are DC 2.1 Basic Configuration referenced at the module connector. Before installing the ADAM-4550 in an existing Power cables should be selected according to network, the ADAM-4550 unit should be pre- the number of modules connected and the length configured. Though all modules are initially pre- of the power lines. When using a network wit
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2.3 RS-485 Communication Wiring Note: 1. Before turning on the power and configuring the ADAM-4550, make sure it is We recommend using shielded-pair cables which connected to your host computer through an comply with the EIA RS-485 standard to reduce RS-232 cable and that the host computer is interference in an ADAM network. Only one set on. The ADAM-4550 will automatically detect of twisted-pair cables is required to transmit both the cable and set itself as a DTE/DCE DATA and RTS signals. We
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2.5 Configuring ADAM-4550 4. You must now search your unit for its cur- rent settings. To do this, select the Setting... 1. Insert the ADAM-4550 disk in drive A. Start menu and choose Get. Enter a starting ad- Microsoft Windows. From the Program dress into the dialog box or use the default Manager, select the File menu and choose start address 0. Click the OK button. The Run. Type a:\ADAM4550 and press EN- configuration software will scan the unit for TER. The ADAM Configuration and Diag
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2 RX 2 RX/TX RF RF DATA+ Module Module DATA- 3 TX 3 TX/RX RS-485 7 RTS 7 CTS/RTS PC DATA+ DATA- 8 CTS 8 TRS/CTS RS-485 4 DTR 4 DSR/DTR 6 DSR 6 DTR/DSR DATA+ DATA- RS-232 Connector 5 GND 5 GND RS-485 RS-232 ADAM-4550 ADAM-4550 ADAM-4011 Note: The RS-232 cable does not have to be a null-modem cable. The ADAM-4550 will automatically detect and set itself as a DCE. Figure 1: Basic Connection Diagram ADAM-4550 User's Manual 9
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Figure 2: Pin Assignment 10 ADAM-4550 User's Manual
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Note: 1. The address between F8h and FFh dress. If the unit does not respond, a are used for non-addressable modules. scanning address dialog box will appear. The addresses for addressable modules Click OK in the box to start the scan- are between 00h and F7h. ning process. Now the configuration software will scan for ID addresses be- 2. The ADAM-4550 can be configured tween 0 and 255. The current settings as either a MASTER type module or a of the unit will be displayed when the SLAVE type m
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3. Select the Upload menu. A dialog box will Total Received Packets indicates the total num- open. Enter the file name where the firm- ber of packets received by the selected ADAM- ware to be uploaded is located. Click the 4550 unit. OK button to begin uploading. The green CRC Error indicates the number of received LED light on ADAM-4550 now changes to a packets with the CRC checking error. steady glow. When uploading is complet- ed, the green LED will turn off. Turn off your Check Sum ind
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2.8 Antenna Installation Note : 1. While using directional antennas, care should be taken to install and adjust the anten- Indoor communication distance is about 300 to nas direction according to the instructions of 550 ft. using a standard 2 dB antenna. Howev- the antenna’s manufacturer. Please see the er, actual distance depends on environmental example specification for an external 24 dBi an- conditions as well as antenna type and position- tenna at appendix A. ing. 2. A user’s license ma
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3. Using ADAM-4550 connected to the controlling PC, as well as the green LEDs on the remote ADAM-4550 units Connect one ADAM-4550 to the controlling PC’s should now be in a rapid blinking mode. This serial port with the RS-232 cable. Connect re- indicates that the RF links between the control- mote ADAM-4550 units to remote data units ling unit and all the remote units have been es- through the RS-485 bus. tablished. Configure each ADAM-4550 unit by following the Note: It is important that dur
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aa SLAVE RS-485 DEVICES ADAM-4550 MASTER 115.2 kbps 115.2 ADAM-4550 ADAM-4550-00 kbps PC SLAVE RS-485 DEVICES ADAM-4550-S ADAM-4550 RS-232 AA 115.2 kbps ADAM-4550-01 Type { aaDDD....(cr) Type { AADDD....(cr) Figure 3: Test Sample ADAM-4550 User's Manual 15
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3.1 A Test Sample 1. Follow procedures in section C to install one ADAM-4550 unit as the MASTER module for a controlling PC and two ADAM-4550s as SLAVEs for the remote devices (see Fig. 3). 2. Start the ADAM Configuration and Diagnos- tic Program on the controlling PC. Select Generate-Traffic menu and choose Send One Packet. In the window area type in {AADDD...... (cr)} where { is the delimiter selected when configuring the ADAM-4550 units, AA is the hexadecimal unit ID address and DDD...... i
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4. ADAM-4550 Command Set two-character address (hexadecimal) that spec- ifies the target module. Depending on the com- In order to avoid communication conflicts, all mand, an optional data string follows the com- actions are instigated by the host computer when mand string. Every command is terminated by several devices attempt to send data at the same a (cr) carriage return. Command sets are divid- time . The basic form is a command/response ed into two categories: configuration mode proto
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Configuration Mode Commands Ce ommand SyntaxCnommandNamDescriptio %n AANNTTCCFFPP(cr)SetsnewconfiguratioRequeststosetnewaddress,baudrateatmoduleAA $nAA2(cr)ReadsconfiguratioRequeststogetcurrentconfigurationfrommoduleaddressAA $n AA6(IDstring)(cr)WritesidentificatioSetstheidentificationdata(0to16bytes)tomoduleataddressAA $n AA7(cr)ReadsidentificatioReadstheidentificationdatafromthemoduleataddressAA $rAACD(cr)SetsthedelimiteSetsthedelimitercharacter(":","[","]","^","{","}","~","|")forData Passmode
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Data Pass Mode Commands CCCx CxCe ooo oommm mmmmm mmaaa aannn nnddd ddSSS SSyyy yynnn nntttttaaa aaxx xCCe CCn Ce ooooommmmmmmmmmaaaaannnnndddddNNNNNaaaaammmmmee DDDn Dn Deeeeessssscccccrrrrriiiiippppptttttiiiiiooooonn {e AADD(cr)SendsdatatoremotSendsdatastringDDthroughtheremotemoduleataddressAA &s AAQ(cr)GetserrorratestatisticGetsRFerrorratestatisticsfromthemoduleataddressAA &eAAAD1D2(cr)SetsDataGatRequeststhemoduleataddressAAtosetDataGatetoOpen(1)or commandClose(0) &s AAB(cr)ReadsDataGateStatu
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Baud rate code are listed below: Command Descriptions 7 6 5 4 3 2 1 0 RS-232 RS-485 4.1 Set New Configuration Code Baud rate Description Requests to set new baud rate, 01 300 bps new address… for module. 02 600 bps Syntax %AANNTTCCFFPP(cr) 03 1200 bps AA: module address ( 2 char- 04 2400 bps acters hexadecimal ) 05 4800 bps NN: new module address 06 9600 bps TT: set to 0x40(H) 07 19200 bps 08 38400 bps CC: High 4 bits represents RS- 232 baud rate code for module. 09 57600 bps Low 4 bits represen
