L-MBUSxx User Manual
Contents
1. LINX 221 Connection to L MBUS PORT1 GND GND B A RXD Figure 3 Wiring of L MBUSxx with TTL level interface M Bus master 2 8 2 Wiring of RS 232 level interface Port 2 If the L MBUSxx is connected to an M Bus master with RS 232 level interface the wiring must be done as shown below A null modem cable is required to connect the L MBUSxx to a PC or a LINX 100 LINX 101 LINX 110 LINX 111 LINX 200 LINX 201 LINX 210 LINX 211 Make sure jumper JMP is removed The maximum cable length is 1 m Version 1 0 LOYTEC electronics GmbH L MBUSxx User Manual 11 LOYTEC EIA 232 male MBUS Interface L INX _ Automation Server fil L MBUS E E o Loose kWh 2 r 09 rx 060 000 0500590 LINX 100 LINX 101 LINX 110 LINX 111 LINX 200 LINX 201 LINX 210 D SUB 9 LINX 211 Null Modem Cable Modem Conversion Cable F F 8 1 When the L MBUSxx is used with other M Bus master devices other than the LOYTEC LINX LROC devices please make sure that the M Bus master device will ignore received characters while it transmits M Bus data packets The L MBUS might send out valid or invalid characters on Port2 while it transmits M Bus data packets on the M Bus port 2 8 3 Wiring M Bus network Depending on the bitrate the following total length of network wiring is possible Bitrate Total Wiring Length in m 300 lt 12000 m2. L MBUS20 L MBUS80 M Bus Level Converter User Manual LOYTEC electronics GmbH Contact LOYTEC Blumengasse 35 A 1170 Vienna AUSTRIA EUROPE support loytec com http www loytec com Version 1 0 Document Ne 88077901 LOYTEC MAKES AND YOU RECEIVE NO WARRANTIES OR CONDITIONS EXPRESS IMPLIED STATUTORY OR IN ANY COMMUNICATION WITH YOU AND LOYTEC SPECIFICALLY DISCLAIMS ANY IMPLIED WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE THIS PRODUCT IS NOT DESIGNED OR INTENDED FOR USE IN EQUIPMENT INTENDED FOR SURGICAL IMPLANT INTO THE BODY OR OTHER APPLICATIONS INTENDED TO SUPPORT OR SUSTAIN LIFE FOR USE IN FLIGHT CONTROL OR ENGINE CONTROL EQUIPMENT WITHIN AN AIRCRAFT OR FOR ANY OTHER APPLICATION IN WHICH IN THE FAILURE OF SUCH PRODUCT COULD CREATE A SITUATION IN WHICH PERSONAL INJURY OR DEATH MAY OCCUR No part of this publication may be reproduced stored in a retrieval system or transmitted in any form or by any means electronic mechanical photocopying recording or otherwise without the prior written permission of LOYTEC L MBUS is trademark of LOYTEC electronics GmbH L MBUSxx User Manual 3 LOYTEC Version 1 0 Contents i 0 ae eee 1 1 NA 5 i AT cose Seosguascvastwacsecsovascbssensosusses 5 2 Hardware Installation aa een 2 1 Enclosur e 6 2 2 Product Label ie i eie eei ts teo isba ie erede ra vo qosscdsdensossoonssevdsacnseoas 7 2 3 Mountin
3. 2400 lt 4000 m 9600 lt 1000 Table 4 M Bus total wiring length Since the quiescent current of M Bus devices generate a voltage drop along the M Bus cable the maximum distance from an M Bus slave device to the L MBUSxx is limited as follows for JYSTY nx2x0 8 cable Version 1 0 LOYTEC electronics GmbH L MBUSxx User Manual 12 LOYTEC Number of devices on M Bus network Max distance in m gt 6500 m 10 5000 m 20 3100 m 80 750 m Table 5 M Bus maximum distance for M Bus slave from L MBUSxx on JYSTY nx2x0 8 The polarity is irrelevant for M Bus networks Version 1 0 LOYTEC electronics GmbH L MBUSxx User Manual 13 LOYTEC 3 Troubleshooting 3 1 Technical Support LOYTEC offers free telephone and e mail support for our L MBUSXX product If none of the above descriptions solves your specific problem please contact us at the following address LOYTEC electronics GmbH Blumengasse 35 A 1170 Vienna Austria Europe e mail supportOlovtec com web http www loytec com tel 43 1 4020805 200 fax 43 1 402080599 or LOYTEC Americas Inc 11258 Goodnight Lane Suite 101 Dallas Texas 75229 USA Email support loytec americas com web http www loytec americas com tel 1 512 402 5319 fax 1 972 243 6886 Version 1 0 LOYTEC electronics GmbH L MBUSxx User Manual 14 4 Specifications 4 1 L MBUSxx LOYTEC 4 1 1 Physical and Electrical Specifications Characteristics S
4. g usssssssssssnsssssossnssonsnnsnnsnnsssssnssnssonsnssnnsnnsnssnnssnssnnsnnsonsnnsnnsnnssnssnssnnsonsnnsnnn 7 2 4 Connectors LEDs Wiring sseessnesnnzennsensoennonoonsnenzonnoonsoeenensneesnoesneenseensenno 8 2 5 LED signals 9 259 1 POWER EED itinera eo ure 9 252 Short LED antiker EGRE E kun 9 2 6 Operating Mode urscossonssnsesnsesnsensssssssonssonssnssonssonsnonsnnnsnnssnnssnsnsnnensnsnsnssssssnssonne 9 2 7 Terminal Layout and Power Supply sssessnnsenzoneonnnsnneseneennsenneeneznneenseeseeenes 9 2 8 AN 10 3 Troublesh666408 22 0 LD 3 1 Technical Support u scsscosssssssnsesssessssssssonssnnsssssonssonssonsnnnsnnssnnssnnssnnssnnnsnnennnssnnse 13 1 A 4 1 14 4 1 1 Physical and Electrical Specifications 14 5 Order Vlora thmicciscscccccccecsccsccsecssssscccsescosessocsscsesescssessasssoacseacessdsocs eseseoces L5 5 1 Le M BUSY EE EJ RE sua 15 6 Revision History sa LOYTEC electronics GmbH L MBUSxx User Manual 4 LOYTEC Abbreviations M BUS 2 Meter Bus Receive Data iet Transmit Data Version 1 0 LOYTEC electronics GmbH L MBUSxx User Manual 5 LOYTEC 1 Introduction 1 1 Overview 1 2 Scope Version 1 0 The L MBUS20 and L MBSU80 are
5. installation place with proper airflow must be selected to ensure that the L MBUSxx s temperature does not exceed the specified range see Chapter 4 LOYTEC electronics GmbH L MBUSxx User Manual 8 LOYTEC 2 4 Connectors LEDs Wiring Status LEDs POWER Power Supply SHORT RED M Bus short circuit or bus overload Connectors POWER 1 Power supply input MINUS AC 2 Power supply input PLUS AC L MBUS MBUS Interface port 13 signa GND DLOYTEC TTL 4 Input TXD 5 Output RXD PORT2 All signal lines according to EIA 232 EIA 232 DTE DE 9 pin male JMP 6 Jumper 7 Jumper M M Bus EIA 232 D SUB EIA 232 100066 male 6 089 24 VDC 24 VAC S NE Euroclamp SH2 5 08 0 5 2 5 mm SSN 75 Euroclamp SH3 5 08 Figure 2 L MBUSxx connectors LEDs wiring Version 1 0 LOYTEC electronics GmbH L MBUSxx User Manual 9 LOYTEC 2 5 LED signals 2 5 1 Power LED The L MBUSXX power LED lights up green when power is supplied to terminals POWER 2 5 2 Short LED The L MBUSXX is equipped with a red Short LED see Figure 2 This LED is normally off Ifthe M Bus is shorted or overloaded the Short LED lights up red 2 6 Operating Mode The L MBUSxx level converter can be connected to a RS 232 level UART interface b TTL level interface The select
6. ion is done with the jumper JMP according to the table below Jumper JMP Function Installed TTL level interface is active Not Installed RS 232 level interface is active Table 1 L MBUSxx jumper setting for operating mode selection 2 7 Terminal Layout and Power Supply The L MBUSXX provides pluggable screw terminals to connect to the network as well as to the power supply The screw terminals can be used for wires of a maximum thickness of 1 5 mm AWG12 The device can either be DC or AC powered The connectors are shown in Figure 2 Terminal Function 1 2 Power Supply 24 VDC or 24 VAC 3 4 5 TTL level UART interface to M Bus master 8 9 M Bus network connector PORT2 RS 232 level UART interface to M Bus master Table 2 L MBUSxx Terminals Version 1 0 LOYTEC electronics GmbH L MBUSxx User Manual 10 LOYTEC 2 8 Wiring 2 8 1 Wiring of TTL level interface Port 1 If the L MBUSxx is connected to an M Bus master with TTL level interface e g LINX 120 LINX 121 LINX 220 LINX 221 LROC 150 the wiring must be done as shown below Make sure jumper JMP is installed The maximum cable length is 0 3 m PORT 1 Function 3 TTL level GND 4 TTL level TXD input 5 TTL level RXD output feme MORBUS saz L INX EM Automation Server L MBUS MBUS Interface L MBUS20 WARE LINX 120 T LINX 121 LINX 220 max 0 3 m
7. level converters between RS 232 level or TTL level UART signals and an M Bus network The L MBUS must be connected to an M Bus master interface The L MBUS20 can read up to 20 M Bus slave devices and the L MBUS80 can read up to 80 M Bus slave devices This document covers L MBUS devices LOYTEC electronics GmbH L MBUSxx User Manual 6 LOYTEC 2 Hardware Installation 2 1 Enclosure The L MBUSxx enclosure according to DIN 43880 is 107 mm wide and prepared for mounting on rails according to DIN 50022 see Figure 1 min 0 C 0 215 kg max 50 C RH 10 90 L MBUS MBUS Interface DLOYTEC o x ON i 8 8 Patr RS 232 A 7 Qs Y Figure 1 L MBUSxx Enclosure dimensions in mm Version 1 0 LOYTEC electronics GmbH L MBUSxx User Manual 7 LOYTEC 2 2 Product Label The product label on the side of the L MBUSxx contains the following information see Figure 1 e L MBUS20 or L MBUS80 Order Number e Serial Number with bar code SER e Production Date Unless stated otherwise all bar codes are encoded using Code 128 An additional label is also supplied with the L MBUSxx for documentation purposes 2 3 Mounting Version 1 0 The device comes prepared for mounting on DIN rails following DIN 50 022 The device can be mounted in any position However an
8. n 2010 05 10 1 0 DL Initial revision V1 0 Version 1 0 LOYTEC electronics GmbH
9. upply Voltage Power Consumption Max number of M Bus slaves In rush current Humidity non condensing operating Enclosure Environmental Protection Installation Supported bit rates Bus quiescent current Resistance to short circuit on M Bus Over current protection Level Minimum switch off time Bus voltage when idle Operating Temperature ambient Humidity non condensing storage Value 24 VDC or 24 VAC 10 L MBUS20 0 45 A 24 VDC L MBUSS0 0 65 24 VDC L MBUS20 20 L MBUSS0 80 up to 950 mA 24 VDC 0 C to 50 C 10 to 90 RH 50 C 90 RH 50 C Installation enclosure 6 TE DIN 43 880 IP 40 enclosure IP 20 screw terminals DIN rail mounting EN 50 022 or wall mounting with optional DIN rail 300 bits s 9600 bits s L MBUS20 0 30 mA L MBUS380 0 120 mA continuous L MBUS20 190 mA L MBUS80 310 mA 100 ms 35 V 5 Table 6 Physical and Electrical Characteristics Version 1 0 LOYTEC electronics GmbH L MBUSxx User Manual 15 LOYTEC 5 Order Information 5 1 L MBUSxx Currently there are 2 product versions available Model Description L MBUS20 L MBUS80 M Bus level converter for up to 80 M Bus slave devices M Bus level converter for up to 20 M Bus slave devices Table 7 Order Information Version 1 0 LOYTEC electronics GmbH L MBUSxx User Manual 16 LOYTEC 6 Revision History Date Version Author Descriptio
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