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Advantech ADAM-4550 manual

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Table of contents for the manual

  • Page 1

    ADAM-4550 User’s Manual Radio Modem Module (RS-232/485 Interface) Part no. 2000455000 2nd Edition Printed in Taiwan October 1997 ADAM and the ADAM logo are trademarks of Advantech[...]

  • Page 2

    2 ADAM-4550 User's Manual Contents 1. Introduction .............................................. 3 1.1 Built-in Intelligence .......................... 3 1.2 Features .......................................... 3 1.3 Specifications .................................. 4 2. Installation .............................................. 5 2.1 Basic C[...]

  • Page 3

    ADAM-4550 User's Manual 3 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 / co[...]

  • Page 4

    4 ADAM-4550 User's Manual 1. Introduction ADAM-4550 is an economical, wireless RS-232/ 485 converter designed to interface any bidirec- tional RS-485 device with a control center host computer. The ADAM-4550 can be used in data acquisition where data sensors are inaccessi- ble to the host computer due to wiring difficul- ties or long distances[...]

  • Page 5

    ADAM-4550 User's Manual 5 1.3 Specifications • Transmission speed (bps): 300, 600, 1200, 2400, 4800, 9600, 19.2K, 38.4K, 57.6K, 115.2K (transmission speeds are software configurable) • Radio frequency : 2.442 GHz, Direct Sequence Spread Spectrum (DSSS) • Radio bandwidth : 22 MHz • Radio transmission power: 100 mW nom- inal • Radio tr[...]

  • Page 6

    6 ADAM-4550 User's Manual 2. Installation 2.1 Basic Configuration Before installing the ADAM-4550 in an existing network, the ADAM-4550 unit should be pre- configured. Though all modules are initially pre- configured at the factory, it is recommended that you check the baud rate settings. Factory Default Settings: Baud Rate: 9600 bps (both RS-[...]

  • Page 7

    ADAM-4550 User's Manual 7 2.3 RS-485 Communication Wiring We recommend using shielded-pair cables which comply with the EIA RS-485 standard to reduce interference in an ADAM network. Only one set of twisted-pair cables is required to transmit both DATA and RTS signals. We advise that the fol- lowing standard colors (as indicated on the mod- ul[...]

  • Page 8

    8 ADAM-4550 User's Manual 2.5 Configuring ADAM-4550 1. Insert the ADAM-4550 disk in drive A. Start Microsoft Windows. From the Program Manager , select the File menu and choose Run . Type a:ADAM4550 and press EN- TER . The ADAM Configuration and Diag- nostics window should now open. 2. You must now set the host computer’s port configuration[...]

  • Page 9

    ADAM-4550 User's Manual 9 Figure 1: Basic Connection Diagram PC 2 RX 3 TX 7 RTS 8 CTS 4 DTR 6 DSR 5 GND 2 RX/TX 3 TX/RX 7 CTS/RTS 8 TRS/CTS 4 DSR/DTR 6 DTR/DSR 5 GND RF Module DATA+ DATA- RS-485 RF Module DATA+ DATA- RS-485 RS-232 Connector DATA+ DATA- RS-485 RS-232 ADAM-4550 ADAM-4550 ADAM-4011 Note: The RS-232 cable does not have to be a nul[...]

  • Page 10

    10 ADAM-4550 User's Manual Figure 2: Pin Assignment[...]

  • Page 11

    ADAM-4550 User's Manual 11 Note: 1. The address between F8h and FFh are used for non-addressable modules. The addresses for addressable modules are between 00h and F7h. 2. The ADAM-4550 can be configured as either a MASTER type module or a SLAVE type module. The MASTER ADAM-4550 is the module connected to the host PC. The SLAVE ADAM-4550s are [...]

  • Page 12

    12 ADAM-4550 User's Manual 3. Select the Upload menu. A dialog box will open. Enter the file name where the firm- ware to be uploaded is located. Click the OK button to begin uploading. The green LED light on ADAM-4550 now changes to a steady glow. When uploading is complet- ed, the green LED will turn off. Turn off your ADAM-4550’s power an[...]

  • Page 13

    ADAM-4550 User's Manual 13 2.8 Antenna Installation Indoor communication distance is about 300 to 550 ft. using a standard 2 dB antenna. Howev- er, actual distance depends on environmental conditions as well as antenna type and position- ing. Longer communication distances can be achieved by using an antenna with a higher gain. A table of comm[...]

  • Page 14

    14 ADAM-4550 User's Manual 3. Using ADAM-4550 Connect one ADAM-4550 to the controlling PC’s serial port with the RS-232 cable. Connect re- mote ADAM-4550 units to remote data units through the RS-485 bus. Configure each ADAM-4550 unit by following the procedures in section A. Start the ADAM Configuration and Diagnostic Program on the control[...]

  • Page 15

    ADAM-4550 User's Manual 15 Figure 3: Test Sample PC RS-232 MASTER ADAM-4550 115.2 kbps ADAM-4550 SLAVE ADAM-4550 SLAVE ADAM-4550-00 ADAM-4550-01 ADAM-4550-S aa AA RS-485 DEVICES RS-485 DEVICES 115.2 kbps 115.2 kbps Type { aaDDD....(cr) Type { AADDD....(cr)[...]

  • Page 16

    16 ADAM-4550 User's Manual 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[...]

  • Page 17

    ADAM-4550 User's Manual 17 4. ADAM-4550 Command Set In order to avoid communication conflicts, all actions are instigated by the host computer when several devices attempt to send data at the same time . The basic form is a command/response protocol with the host initiating the sequence. The host issues a command to a module with a specified a[...]

  • Page 18

    18 ADAM-4550 User's Manual x a t n y S d n a m m o Ce m a N d n a m m o Cn o i t p i r c s e D ) r c ( P P F F C C T T N N A A %n o i t a r u g i f n o c w e n s t e S A A e l u d o m t a e t a r d u a b , s s e r d d a w e n t e s o t s t s e u q e R ) r c ( 2 A A $n o i t a r u g i f n o c s d a e R A A s s e r d d a e l u d o m m o r f n o [...]

  • Page 19

    ADAM-4550 User's Manual 19 x a t n y S d n a m m o Cx a t n y S d n a m m o C x a t n y S d n a m m o C x a t n y S d n a m m o Cx a t n y S d n a m m o Ce m a N d n a m m o Ce m a N d n a m m o C e m a N d n a m m o C e m a N d n a m m o Ce m a N d n a m m o Cn o i t p i r c s e Dn o i t p i r c s e D n o i t p i r c s e D n o i t p i r c s e[...]

  • Page 20

    20 ADAM-4550 User's Manual Command Descriptions 4.1 Set New Configuration Description Requests to set new baud rate, new address… for module. Syntax %AANNTTCCFFPP(cr) AA: module address ( 2 char- acters hexadecimal ) NN: new module address TT: set to 0x40(H) CC: High 4 bits represents RS- 232 baud rate code for module. Low 4 bits represents [...]

  • Page 21

    ADAM-4550 User's Manual 21 FF : ADAM-4550 mode configuration PP: RS-232/RS-485 data format. It is currently a fixed number. Response !AA(cr) if the command is valid ?AA(cr) if an invalid command is entered Example Command: %0A1B40AA2103(cr) Response: !0A(cr) The ADAM-4550 module with address 0Ah is configured to a new address 1Bh and the baud [...]

  • Page 22

    22 ADAM-4550 User's Manual 4.2 Read Configuration Description Requests to read the current baud rate and address from the module. Syntax $AA2(cr) AA: module address ( 2 hexa- decimal characters ) Response !AATTCCFFPP(cr) if the com- mand is valid (refer to “Set New Configuration” in Command Set) ?AA(cr) if an invalid command is entered Exa[...]

  • Page 23

    ADAM-4550 User's Manual 23 4.4 Read Identification Description Requests to read identification data from the module at address AA. Syntax $AA7(cr) Response !AA(identification characters)(cr) if the command is valid ?AA(cr) if an invalid command is entered Example Command: $0A7(cr) Response: !0AADAM4550 Unit#1(cr) 4.5. Set Delimiter Character D[...]

  • Page 24

    24 ADAM-4550 User's Manual 4.6. Read Delimiter Character Description Requests to read the delimiter character data from the module at address AA. Syntax $AAD(cr) Response !AA(delimiter character)(cr) if the command is valid ?AA(cr) if an invalid command is entered Example Command: $0AD(cr) Response: !0A[(cr) 4.7. Set Data Gate Description Requ[...]

  • Page 25

    ADAM-4550 User's Manual 25 Response: !0A(cr) The command asks the module at address 0Ah to close the data gate and not to write to FLASH memory. Command: &0AA11(cr) Response: !0A(cr) The command requests the module at address 0Ah to open the data gate and write to Flash memory. Note: 1. If the command asks the module to write to FLASH memo[...]

  • Page 26

    26 ADAM-4550 User's Manual 4.8. Read Data Gate Status Description Requests the module at address AA to return data gate status. Syntax &AAB(cr) Response !AAS(cr) if the command is val- id where S = 1 open data gate S = 0 close data gate ?AA(cr) if an invalid command is entered Example Command: &0AB(cr) Response: !0A0(cr) The module ret[...]

  • Page 27

    ADAM-4550 User's Manual 27 4.10. Read Module Name Description Requests to read the module name from the module at ad- dress AA. Syntax $AAM(cr) Response !AA(module name)(cr) if the command is valid ?AA(cr) if an invalid command is entered Example Command: $0AM(cr) Response: !0A4550(cr) 4.11. Uploading Description Requests to upload new firm- w[...]

  • Page 28

    28 ADAM-4550 User's Manual Example Command : $0AL(cr) Response : !0A(cr) command : 0A 80 12 34 56 ..................... length 2688 bytes followed by data 12h 34h 4.12. Send Data to Remote Description Send the DATA to RS-485 de- vice through the remote module at address AA This command only works in Data Pass mode. The user can use the “Set [...]

  • Page 29

    ADAM-4550 User's Manual 29 4.13. Get Error Rate Statistics Description Requests to get the current RF error rate statistics from the module at address AA. This command only works in Data Pass mode. Syntax &AAQ(cr) Response !AAQ(statistic data)(cr) if the command is valid ?AA(cr) if an invalid command is entered The statistic data format is[...]

  • Page 30

    30 ADAM-4550 User's Manual checksum error and 9 good packets. There are 26 packets that were transmitted from this module that received acknowl- edgment. There are 5 retrans- mitted packets due since no ac- knowledgment was received. Appendix A: External Antenna Options 8 dBi Omni-Directional Antenna Electrical Specifications: Frequency: 2.4 t[...]

  • Page 31

    ADAM-4550 User's Manual 31 11 dBi Omni-Directional Antenna Electrical Specifications: Frequency: 2.4 to 2.483 GHz Gain: 11 dBi 3 dB beamwidth: 9° in elevation plane, uni- form in azimuth plane. VSWR: 1.5:1 max @ 50 ohm Polarization: RHCP Mechanical Specifications: Antenna Type: Colinear Size: 1500 mm Weight: 0.9 kg Connector: Type N Female En[...]

  • Page 32

    32 ADAM-4550 User's Manual Appendix B: External Antenna Wiring Diagram ADAM-4550 3' RF Cable adapter 20' RF Cable Type N Female to Type N Male Lightning Arrester 20' RF Cable Type N Female to Type N Male Or 20' RF Cable Type N Male to Type N Male To Antenna * Not for applications in the U.S. or EC countries.[...]