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Kamstrup M-Bus Master MultiPort 250L, Инструкция по установке и эксплуатации, Страница: 12 / 28

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3.4  RS-232

M-Bus Master MultiPort 250L’s RS-232-connection can be used for M-Bus communication on an equal basis with the other 

serial connections.
The following communication speeds can be used for M-Bus communication:

 

•

300 Baud 8E1

 

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2400 Baud 8E1

 

•

9600 Baud 8E1

Maximum recommended cable length is 15 m.
The master’s integrated port controller makes sure that communication is only possible on one serial port at a time.
The master is available with a factory-mounted 145 cm RS-232 cable fitted with a DB9F female connector. 

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RS-232 connector type DB9F

55121391_B1_GB_12.2013

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Содержание M-Bus Master MultiPort 250L

Страница 1: ...Kamstrup A S Industrivej 28 Stilling DK 8660 Skanderborg Tel 45 89 93 10 00 Fax 45 89 93 10 01 info kamstrup com www kamstrup com M Bus Master MultiPort 250L Installation and User Guide...

Страница 2: ...ditions in an M Bus network 15 4 2 1 M Bus modules 16 4 3 Installation parameters 16 4 3 1 Cable 16 4 3 2 Cable topology 17 4 3 3 Examples of network sizes 20 5 M Bus Addressing 21 5 1 Primary address...

Страница 3: ...d in cascade and only secondary addressing is used a total of 1 250 meters can be connected and the total cable length can be up to approx 14 km If primary addressing is used up to 250 meters can be c...

Страница 4: ...rts The integral port controller prevents collision in case of simultaneous communication through more than one port When the port controller detects communication on one port communication on other p...

Страница 5: ...24 25 24 25 24 25 24 25 24 25 24 25 24 25 24 25 24 25 24 25 24 25 24 25 24 25 24 25 24 25 24 25 24 25 24 25 24 25 24 25 24 25 53 54 24 25 53 54 The master s module area provides extra communication o...

Страница 6: ...a total of 1250 meters Up to 14 km cable length 300 2400 and 9600 baud communication speed Byte recovery Echo suppression Transient protection Integrated USB RS 232 and RS 485 with automatic port cont...

Страница 7: ...n be up to IP 67 IP 67 means full dust protection as well as water tightness for minimum 30 minutes down to 1 metre In order to obtain the highest IP protection the cables used must be correctly mount...

Страница 8: ...D 3 Transmitted Data 107 GND 5 Ground 108 DTR 4 Data Terminal Ready 109 CTS 8 Clear To Send 111 DSR 6 Data Set Ready 112 RTS 7 Request To Send RS 485 Max recommended cable length 1 200 m 137 A Transmi...

Страница 9: ...with the other serial connections The following communication speeds can be used for M Bus communication 300 Baud 8E1 2400 Baud 8E1 9600 Baud 8E1 USB version 2 0 which allows up to 5 m cable length is...

Страница 10: ...When selecting Run the installation program starts automatically When the program is retrieved it is saved under C Kamstrup M Bus Master 250L 55121391_B1_GB_12 2013 10...

Страница 11: ...Select as shown below in order to install the program 55121391_B1_GB_12 2013 11...

Страница 12: ...or M Bus communication 300 Baud 8E1 2400 Baud 8E1 9600 Baud 8E1 Maximum recommended cable length is 15 m The master s integrated port controller makes sure that communication is only possible on one s...

Страница 13: ...that communication is only possible on one serial port at a time 3 6 M Bus Output All meters in an M Bus network are connected to M Bus Output terminals 24 and 25 The master includes four sets of con...

Страница 14: ...ers are installed in a network the total cable length can be extended to approx 14 km and up to 1250 meters can be connected The master is configured as repeater by placing the jumper on the connector...

Страница 15: ...machinery 4 1 Special features of M Bus Master MultiPort 250L M Bus Master MultiPort 250L has been designed with the newest cable driver technology and is therefore rather insensitive to the capacity...

Страница 16: ...cable the lower the resistance The thicker the cable the higher the capacity An M Bus cable must minimum be able to handle 50 V and 500 mA Diameter mm Cross section mm2 Resistance in Ohm per 1 000 me...

Страница 17: ...vantage of bus topology is shorter wires The disadvantage is that a cable interrupt will mean that all the following meters can no longer be read The advantage of star topology is the fact that all th...

Страница 18: ...through meters Power Request Data Overload M Bus Master MultiPort 250L Bus topology with each individual meter connected to the bus Power Request Data Overload M Bus Master MultiPort 250L Star topolog...

Страница 19: ...eater 24 25 24 25 53 54 24 25 1st floor 2nd floor 3rd floor 4th floor Area 1 Area 2 Area 4 Area 3 Junction box Example of the construction of a large M Bus network Dividing the connected meters into s...

Страница 20: ...aud 10 000 m 3 500 m 1 200 m 700 m 2400 Baud 7 000 m 3 500 m 1 200 m 700 m 9600 Baud 3 500 m 3 500 m 1 200 m 700 m Possible cable lengths with meters evenly distributed in the cable network Cable type...

Страница 21: ...ondary addressing 00000001 99999999 Secondary addressing uses the last 8 digits of the meter number as M Bus ID Kamstrup MULTICAL meters use the customer number as their secondary address which makes...

Страница 22: ...on through the above mentioned ports is transparent and includes collision detection 6 3 Light Emitting Diodes The master has four light emitting diodes on its front plate 6 3 1 Power Green light emit...

Страница 23: ...6 3 4 Overload Red light emitting diode which flashes when the load on the M Bus network is between 375 and 500 mA It is permanently lit when the load on the M Bus network exceeds 500 mA 375 mA corre...

Страница 24: ...mper The external antenna must be connected as shown below and placed well away from the M Bus master and the connected network wires Antenna connection Jumper Connection of supply SMS command SIGNAL...

Страница 25: ...8 Dimensioned drawings All measurements in mm 168 184 210 3 pcs M16 4 8 mm 6 pcs M12 3 6 mm 80 5 140 5 140 64 55121391_B1_GB_12 2013 25...

Страница 26: ...aud Data frame 1 start bit 8 data bits 1 parity bit even 1 stop bit Addressing modes transparent Primary secondary enhanced secondary Addressing modes direct reading Primary secondary Address range pr...

Страница 27: ...s Up to IP 67 depending on cables Dimensions 210 x 168 x 64 mm H x W x D Weight 1 kg Approvals and standards Approvals CE marking Standards EN 13757 2 EN 13757 3 10 Ordering numbers Description Orderi...

Страница 28: ...55121391_B1_GB_12 2013...

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