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MBUS总线介绍

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  • 日期: 2018-05-24
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标签: mbus

mbus

介绍MBUS总线原理,不错

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MeterBUS UltraUltralow power design with low power design with M Handheld Master MBus Repeater MBus Repeater M MBus Master MBus Repeater M 255 64 1000 m 4000 m 300 9600 bps cid213 eg cid213 cid213 cid213 MSP430 MBus Master cid213 cid213 cid213 cid213 cid213 M S P 4 3 0 D E S I G N S E M I N A R M info wwwmbuscom HeCh 0299 61 11 MerterBUS MSP430 UltraUltralow power design with low power design with Application Layer Presentation Layer Session Layer Transport Layer Network Layer Data Link La......

Meter-BUS: UltraUltra--low power design with low power design with M Hand-held Master M-Bus Repeater M-Bus Repeater M M-Bus Master M-Bus Repeater M 255 64 1000 m 4000 m 300 9600 bps (cid:213) e.g. (cid:213) (cid:213) (cid:213) MSP430 M-Bus Master (cid:213) (cid:213) (cid:213) (cid:213) (cid:213) M S P 4 3 0 D E S I G N S E M I N A R M info: www.m-bus.com HeCh / 02-99/ 6-1 11 Merter-BUS: MSP430 UltraUltra--low power design with low power design with (Application Layer) (Presentation Layer) (Session Layer) (Transport Layer) (Network Layer) (Data Link Layer) (Physical Layer) EN1434-3 IEC-870 M-BUS EN1434-3 M S P 4 3 0 D E S I G N S E M I N A R HeCh / 02-99/ 6-2 22 Merter-BUS: MSP430 UltraUltra--low power design with low power design with M V REF REF A M M S P 4 3 0 D E S I G N S E M I N A R MARK SPACE VBUS constant IBUS constant VBUS SPACE MARK IBUS HeCh / 02-99/ 6-3 33 Merter-BUS: MSP430 Mark ("1") Space ("0") Vmark = 36 V Bus Voltage at Repeater UltraUltra--low power design with low power design with Vspace = 24 V Ispace = Imark + (11-20) mA Imark < 1,5mA Master transmits to Slave Current Consumption of a Slave Mark ("1") Space ("0") Slave transmits to Master Time t Time t M S P 4 3 0 D E S I G N S E M I N A R HeCh / 02-99/ 6-4 44 Merter-BUS: MSP430 UltraUltra--low power design with low power design with Vmark Vmark - 12 V Imark + (11-20)mA Imark Calling Direction (Master to Slave) Start 1 2 3 4 5 6 7 8 Parity Stop Replying Direction ( Slave to Master) Start 1 2 3 4 5 6 7 8 Parity Stop M S P 4 3 0 D E S I G N S E M I N A R t t HeCh / 02-99/ 6-5 55
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