Difference between revisions of "M-BUS"

From Teknologisk videncenter
Jump to: navigation, search
m
m
Line 15: Line 15:
 
*Plug: No standard
 
*Plug: No standard
 
*M-BUS slave example: [https://www.mikroe.com/m-bus-slave-click MIKROE-4137 M-BUS SLAVE CLICK]
 
*M-BUS slave example: [https://www.mikroe.com/m-bus-slave-click MIKROE-4137 M-BUS SLAVE CLICK]
 +
*M-BUS naster example: [https://www.mikroe.com/m-bus-master-click MIKROE-3880 M-BUS MASTER CLICK]
 
*Transceiver example: [https://download.mikroe.com/documents/datasheets/tss721a_datasheet.pdf TI-TSS721A]
 
*Transceiver example: [https://download.mikroe.com/documents/datasheets/tss721a_datasheet.pdf TI-TSS721A]
  

Revision as of 04:19, 16 December 2022

Comment Meter-BUS or short M-BUS which is designed mainly for remote reading of water meter, gas or electricity meters - not to be confused with Smart-BUS or short S-BUS is designed mainly for home automation

Physical layer

  • Master to slave: 36 Volt = 1 - 24 Volt = 0
  • Slave to Master: Draws < 1,5 mA = 1 - draws11-20 mA = 0
  • Baudrate: 300 - 9600
  • Cable: Two-wire standard telephone cable (JYStY N20.8 mm)
  • Max cable length: 350 Meter (Lower baud rates up to 1000 Meter - but restricted power not below 12 V max capacitance 180 nF)
  • Power: Up to 27 Watt through the cable = 0,75 A
  • Slaves: Up to 250 in a single segment
  • Repeater: Also called a master and typically is an M-BUS to RS232 converter attached to a host
  • Plug: No standard
  • M-BUS slave example: MIKROE-4137 M-BUS SLAVE CLICK
  • M-BUS naster example: MIKROE-3880 M-BUS MASTER CLICK
  • Transceiver example: TI-TSS721A

Links