Manuale d’uso / di manutenzione del prodotto ADAM-4550 del fabbricante Advantech
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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.
2 ADAM-4550 User's Manual Contents 1. Introduction .............................................. 3 1.1 Built-in Intelligence .......................... 3 1.2 Features .......................................... 3 1.3 Specifications ..............
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.
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.
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.
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.
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.
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.
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 .
10 ADAM-4550 User's Manual Figure 2: Pin Assignment.
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.
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.
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.
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.
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.
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.
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.
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.
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 .
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.
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 .
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 ).
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.
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.
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.
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 whe.
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.
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.
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.
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.
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.
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.
Un punto importante, dopo l’acquisto del dispositivo (o anche prima di acquisto) è quello di leggere il manuale. Dobbiamo farlo per diversi motivi semplici:
Se non hai ancora comprato il Advantech ADAM-4550 è un buon momento per familiarizzare con i dati di base del prodotto. Prime consultare le pagine iniziali del manuale d’uso, che si trova al di sopra. Dovresti trovare lì i dati tecnici più importanti del Advantech ADAM-4550 - in questo modo è possibile verificare se l’apparecchio soddisfa le tue esigenze. Esplorando le pagine segenti del manuali d’uso Advantech ADAM-4550 imparerai tutte le caratteristiche del prodotto e le informazioni sul suo funzionamento. Le informazioni sul Advantech ADAM-4550 ti aiuteranno sicuramente a prendere una decisione relativa all’acquisto.
In una situazione in cui hai già il Advantech ADAM-4550, ma non hai ancora letto il manuale d’uso, dovresti farlo per le ragioni sopra descritte. Saprai quindi se hai correttamente usato le funzioni disponibili, e se hai commesso errori che possono ridurre la durata di vita del Advantech ADAM-4550.
Tuttavia, uno dei ruoli più importanti per l’utente svolti dal manuale d’uso è quello di aiutare a risolvere i problemi con il Advantech ADAM-4550. Quasi sempre, ci troverai Troubleshooting, cioè i guasti più frequenti e malfunzionamenti del dispositivo Advantech ADAM-4550 insieme con le istruzioni su come risolverli. Anche se non si riesci a risolvere il problema, il manuale d’uso ti mostrerà il percorso di ulteriori procedimenti – il contatto con il centro servizio clienti o il servizio più vicino.
