Westermo RM-455U-D User Manual

ELPRO Technologies Pty Ltd, 9/12 Billabong Street, Stafford Q 4053, Australia. Tel: +61 7 3352 8600 Fax: +61 7 3352 8677 Ema

Chapter One Introduction Man_455U-D Rev 3.04 Page 11 UNACKNOWLEDGED MODE ADDRESSED TO ALL UNITS USING WILDCARD ADDRESS 0 DATA DATA DATA DATA Da

455U-D Radio Modem User Manual Page 12 © May 2010 If the master unit does not receive the acknowledgment, the DCD output will reset. When th

Chapter One Introduction Man_455U-D Rev 3.04 Page 13 messages within the configured link check timeout (Configuration Setting \T), it will drop

455U-D Radio Modem User Manual Page 14 © May 2010 Messages sent with encryption have an additional 16 bytes of data added to the start of the

Chapter One Introduction Man_455U-D Rev 3.04 Page 15 will empty the input buffer too quickly, resulting in a single input message being broken

455U-D Radio Modem User Manual Page 16 © May 2010 1.5.4 Radio Data Rate The data is transmitted by radio as direct modulated synchronous dat

Chapter One Introduction Man_455U-D Rev 3.04 Page 17 The time taken to transmit a message is :- Section Item Number Time (At 9600 Baud) PEAM

455U-D Radio Modem User Manual Page 18 © May 2010 1.6.1 Multiple Device Connectivity (MDC) Because each serial port is individually addresse

Chapter One Introduction Man_455U-D Rev 3.04 Page 19 1.8 Duty Cycle Limiting Some licenses require that the modem limits its communications so

455U-D Radio Modem User Manual Page 20 © May 2010 1.9.2 Error Check ? Error-checking may be configured in both Unacknowledged and Acknowledg

Contents Man_455U-D Rev 3.04 Page 3 Thank you for your selection of the 455U-D radio modem. We trust it will give you many years of valuable

Chapter Two Installation Man_455U-D Rev 3.04 Page 21 Chapter Two INSTALLATION 2.1 General The 455U-D module is housed in a rug

455U-D Radio Modem User Manual Page 22 © May 2010 some obstruction of the radio path. Obstructions which are close to either antenna will ha

Chapter Two Installation Man_455U-D Rev 3.04 Page 23 Antenna Type Minimum safe distance Dipole 0.4 metres 3dBd Collinear 0.7 metres 6dBd Col

455U-D Radio Modem User Manual Page 24 © May 2010 2.2.2 Yagi antennas. A Yagi antenna provides high gain in the forward direction, but low

Chapter Two Installation Man_455U-D Rev 3.04 Page 25 B A  Earth +24 +12 DIO 15 – 30 VDC Power Supply DC Out - +

455U-D Radio Modem User Manual Page 26 © May 2010 DCE HOSTDB9 MALEMODEMDB9 MALERDTDSGRTSCTSDSRDTRDCDRDTDSGRTSCTSDSRDTRDCD2578641325786413DCE

Chapter Two Installation Man_455U-D Rev 3.04 Page 27 2.4.2 RS232 Configuration Port The serial port is a 9 pin DB9 female and provides confi

455U-D Radio Modem User Manual Page 28 © May 2010 the RS485 terminals. The DIP switch should be in the “1” or “on” position to connect the r

Chapter Three Configuration Man_455U-D Rev 3.04 Page 29 Chapter Three CONFIGURATION 3.1 Before Configuring Configuration comprises selecting pa

455U-D Radio Modem User Manual Page 30 © May 2010 Each module is also configured with a unit address between 1 and 127 - this gives the modul

455U-D Radio Modem User Manual Page 4 © May 2010 How to Use This Manual To receive the maximum benefit from your 455U-D product, please read

Chapter Three Configuration Man_455U-D Rev 3.04 Page 31 The opening screen shows an “empty system”. If configuring a new system, select “Add ne

455U-D Radio Modem User Manual Page 32 © May 2010 The cable to connect to the DB9 should have straight-through connections as per section 2.4

Chapter Three Configuration Man_455U-D Rev 3.04 Page 33 3.3.4 Serial Communications terminal From the Tool bar at the top of the page you can

455U-D Radio Modem User Manual Page 34 © May 2010 3.4 Remote Configuration and Diagnostics Most of the configuration features of the 455U-

Chapter Three Configuration Man_455U-D Rev 3.04 Page 35 Using AT commands: Connection to the remote modem is accessed using the ATD command on t

455U-D Radio Modem User Manual Page 36 © May 2010 are entered into the repeater path boxes with the first repeater in the most left-hand box…

Chapter Three Configuration Man_455U-D Rev 3.04 Page 37 In this example, the destination port is the RS232 port on unit 15, via repeater 31.

455U-D Radio Modem User Manual Page 38 © May 2010 3.5.4 Broadcast Network You may want a multi-hop network to broadcast messages. This tak

Chapter Three Configuration Man_455U-D Rev 3.04 Page 39 3.5.5 Addressed Network Alternatively the messages can be directed through fixed addr

455U-D Radio Modem User Manual Page 40 © May 2010 The “Hops” box is set to 3 - this means that it will only accept messages on the third hop.

Contents Man_455U-D Rev 3.04 Page 5 CONTENTS WARNING...

Chapter Three Configuration Man_455U-D Rev 3.04 Page 41  “XON / XOFF” the modem uses the XON and XOFF symbols to control flow of data. This pr

455U-D Radio Modem User Manual Page 42 © May 2010 DCD Control The DCD signal on the RS232 port can be used to give an indication of communica

Chapter Three Configuration Man_455U-D Rev 3.04 Page 43 If there is no data transfer within the preconfigured “link check” time, the master will

455U-D Radio Modem User Manual Page 44 © May 2010 3.7.2 Auto Answer (Auto-Connect Slave) The only configuration required for an auto-connec

Chapter Three Configuration Man_455U-D Rev 3.04 Page 45 3.8 Dual Redundancy Two 455U-D modems can be setup to act as a dual-redundant pair. On

455U-D Radio Modem User Manual Page 46 © May 2010 If configuraing using Hayes commands the Dual Redundancy is set via the AT#O command (“Cont

Chapter Three Configuration Man_455U-D Rev 3.04 Page 47 Note: The DIO channel is not available for any other purpose when the 455U unit is con

455U-D Radio Modem User Manual Page 48 © May 2010  Observe the DIO LEDs on the two modules. These LEDs should be flashing together. Refer t

Chapter Three Configuration Man_455U-D Rev 3.04 Page 49 The following diagram shows the states of the dual redundant system, the relationship to

455U-D Radio Modem User Manual Page 50 © May 2010 3.8.5 Firmware versions prior to 3.03 Firmware version 3.03 introduced enhanced diagnosti

455U-D Radio Modem User Manual Page 6 © May 2010 3.1 BEFORE CONFIGURING ...

Chapter Three Configuration Man_455U-D Rev 3.04 Page 51 3.9 Low Power Mode The modem can be configured for low power shutdown when the DTR

455U-D Radio Modem User Manual Page 52 © May 2010 3.10 Optimum Path Routing Optimum Path Routing (OPR) provides support for various host pr

Chapter Three Configuration Man_455U-D Rev 3.04 Page 53 In the configuration below you will see that Modbus Slave address #1 is attached to remo

455U-D Radio Modem User Manual Page 54 © May 2010 3.10.3 Modbus RTU Protocol When configured for Modbus RTU Protocol, the modem ignores the

Chapter Three Configuration Man_455U-D Rev 3.04 Page 55 Once in configuration mode, the 455U-D unit will accept a string of Hayes commands, and

455U-D Radio Modem User Manual Page 56 © May 2010 AT&U1 – Set unit address to 1. Remote Modems configuration AT&M1 – Configure Acknow

Chapter Three Configuration Man_455U-D Rev 3.04 Page 57 repeaters don’t clash with responses from the directly communicating device (address 15)

455U-D Radio Modem User Manual Page 58 © May 2010 Chapter Four TROUBLESHOOTING 4.1 Power-up and Normal Operation When power is initially c

Chapter Four Troubleshooting Man_455U-D Rev 3.04 Page 59 4.2 LED indication Diagnostics Chart INDICATOR CONDITION MEANING OK LED OFF Conti

455U-D Radio Modem User Manual Page 60 © May 2010 Green flash RS485 serial port receiving data from host device Orange flash† RS485 Ser

Contents Man_455U-D Rev 3.04 Page 7 3.13 AT CONFIGURATION EXAMPLES...

Chapter Four Troubleshooting Man_455U-D Rev 3.04 Page 61  If large radio messages are being transmitted, reduce the maximum message length, a

455U-D Radio Modem User Manual Page 62 © May 2010 Using AT Commands BER may be tested by typing AT#B (Slave Address). The sending unit will

Chapter Four Troubleshooting Man_455U-D Rev 3.04 Page 63 AT&T5 - Received Signal Strength Display This option provides for testing the radi

455U-D Radio Modem User Manual Page 64 © May 2010 S-Register Meaning S9 Radio signal strength of last radio message received S12 Reason for

Chapter Four Troubleshooting Man_455U-D Rev 3.04 Page 65 4.5 Radio Path Testing To carry out a radio path test, you will need two 455U modules

455U-D Radio Modem User Manual Page 66 © May 2010 system, in a good location to act as a repeater. If this is not the case, you need to con

Chapter Four Troubleshooting Man_455U-D Rev 3.04 Page 67 4.7 Diagnostic Messages The modem is configured to print diagnostic messages out the R

455U-D Radio Modem User Manual Page 68 © May 2010 Chapter Five SPECIFICATIONS General EMC specification EN 301 489 FCC Part 15 Radio sp

Chapter Five Specifications Man_455U-D Rev 3.04 Page 69 Receive Sens (BER 10-3) 12.5KHz channel -106 dBm -112 dBm -114 dBm -116 dBm 9600 Baud

455U-D Radio Modem User Manual Page 70 © May 2010 Chapter Six WARRANTY & SERVICE We are pleased that you have purchased this product. E

455U-D Radio Modem User Manual Page 8 © May 2010 Chapter One INTRODUCTION 1.1 General The 455U-D radio modem provides reliable

Appendix A Response Codes Man_455U-D Rev 3.04 Page 71 Appendix A Hayes Commands The following details all of the Hayes commands supported by

455U-D Radio Modem User Manual Page 72 © May 2010 ATD Connection/Dialing Control. Dial a specific remote or a stored number. This command ha

Appendix A Response Codes Man_455U-D Rev 3.04 Page 73 R12 Set 76,800 baud R13 Set 93,750 baud (For Profibus) R14 Set 115,200 baud R15 Set 1

455U-D Radio Modem User Manual Page 74 © May 2010 #E0 Disable security encryption #E1 Enable security encryption on transmitted messages #E

Appendix A Response Codes Man_455U-D Rev 3.04 Page 75 &C1 DCD High when connected (Acknowledged Mode) or when online (Unacknowledged mode)

455U-D Radio Modem User Manual Page 76 © May 2010 &K1 CTS/RTS Flow Control. CTS follows RTS high if there is space in the local buffer.

Appendix A Response Codes Man_455U-D Rev 3.04 Page 77 attempt if a character is entered. This item is only meaningful with the acknowledged mod

455U-D Radio Modem User Manual Page 78 © May 2010 &T0 Stop Tone reversals (See T1 to T4 below). &T1 Transmit tones Modulated at 200

Appendix A Response Codes Man_455U-D Rev 3.04 Page 79 5 Watt Radio .500 mW Radio \P0 Set Radio to 500 mW Set Radio to 10mW \P1 Set Radio

455U-D Radio Modem User Manual Page 80 © May 2010 selects extended response codes. ATQ0 disables all response messages. ATQ1 enables response

Chapter One Introduction Man_455U-D Rev 3.04 Page 9 Ordering Information 455U - Type – Radio Type – RF Power – Channel – Band – Frequency Type

Appendix C S-Registers Man_455U-D Rev 3.04 Page 81 Appendix C S-Registers The following table lists the S-Registers supported by the 455U-D m

455U-D Radio Modem User Manual Page 82 © May 2010 S12 = 5 No response to dial request to remote modem. S12 = 6 “BUSY” response from remote

Appendix C S-Registers Man_455U-D Rev 3.04 Page 83 S25 0-255 System Address –Low Byte The 16-bit system address uniquely identifies the radio

455U-D Radio Modem User Manual Page 10 © May 2010 1.1.3 Repeater Functionality A 455U-D unit can act as a repeater for other units. A rep