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Summary of Contents for LOYTEC L-MBUS80
- Page 1 L-MBUS20/L-MBUS80 M-Bus Level Converter User Manual LOYTEC electronics GmbH...
- Page 2 Version 1.0 Document № 88077901 LOYTEC MAKES AND YOU RECEIVE NO WARRANTIES OR CONDITIONS, EXPRESS, IMPLIED, STATUTORY OR IN ANY COMMUNICATION WITH YOU, LOYTEC SPECIFICALLY DISCLAIMS ANY IMPLIED WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. THIS...
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Page 3: Table Of Contents
2.8.2 Wiring of RS-232 level interface Port 2 ..........10 2.8.3 Wiring M-Bus network................11 3 Troubleshooting..................13 Technical Support .....................13 4 Specifications ....................14 L-MBUSxx ......................14 4.1.1 Physical and Electrical Specifications .............14 5 Order Information ..................15 L-MBUSxx ......................15 6 Revision History ..................16 Version 1.0 LOYTEC electronics GmbH... - Page 4 L-MBUSxx User Manual LOYTEC Abbreviations M-Bus......... Meter-Bus RXD ........Receive Data TXD........Transmit Data Version 1.0 LOYTEC electronics GmbH...
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Page 5: Introduction
LOYTEC 1 Introduction 1.1 Overview The L-MBUS20 and L-MBSU80 are 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. -
Page 6: Hardware Installation
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). Figure 1: L-MBUSxx Enclosure (dimensions in mm) Version 1.0 LOYTEC electronics GmbH... -
Page 7: Product Label
LOYTEC 2.2 Product Label The product label on the side of the L-MBUSxx contains the following information (see Figure 1): L-MBUS20 or L-MBUS80 Order Number, Serial Number with bar-code (SER#), 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. -
Page 8: Connectors, Leds, Wiring
L-MBUSxx User Manual LOYTEC 2.4 Connectors, LEDs, Wiring Figure 2: L-MBUSxx connectors, LEDs, wiring Version 1.0 LOYTEC electronics GmbH... -
Page 9: Led Signals
Figure 2 Terminal Function Power Supply 24 VDC or 24 VAC 3,4,5 TTL level UART interface to M-Bus master 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... -
Page 10: Wiring
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... -
Page 11: Wiring M-Bus Network
Figure 4: Connecting the L-MBUSxx via RS-232 level UART interface Port 2. When the L-MBUSxx is used with other M-Bus master devices other than the LOYTEC LINX or LROC devices please make sure that the M-Bus master device will ignore received characters while it transmits M-Bus data packets. - Page 12 Number of devices on M-Bus network Max. distance in [m] 6500 m 5000 m 3100 m 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...
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Page 13: Troubleshooting
L-MBUSxx User Manual 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... -
Page 14: Specifications
4.1.1 Physical and Electrical Specifications Characteristics Value Supply Voltage 24 VDC or 24 VAC ±10% Power Consumption L-MBUS20: 0.45 A @ 24 VDC L-MBUS80: 0.65 A @ 24 VDC Max number of M-Bus slaves L-MBUS20: 20 L-MBUS80: 80 In rush current... -
Page 15: Order Information
Currently there are 2 product versions available. Model Description L-MBUS20 M-Bus level converter for up to 20 M-Bus slave devices. L-MBUS80 M-Bus level converter for up to 80 M-Bus slave devices. Table 7 Order Information Version 1.0 LOYTEC electronics GmbH... -
Page 16: Revision History
L-MBUSxx User Manual LOYTEC 6 Revision History Date Version Author Description 2010-05-10 Initial revision V1.0 Version 1.0 LOYTEC electronics GmbH...
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