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Kamstrup M-Bus Master MultiPort 250L, Installation And User Manual, Page: 5 / 28

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Kamstrup M-Bus Master MultiPort 250L Installation And User Manual Download Page 5

Power

Request

Data

Overload

M-Bus Master

MultiPort 250L

Power

Request

Data

Overload

M-Bus Master

MultiPort 250L

Power

Request

Data

Overload

M-Bus Master

MultiPort 250L

250 

meter

250 

meter

250 

meter

With 4 repeaters, up to 1250 

meters and 14 km cable length

M-Bus Master

M-Bus Repeater

M-Bus Repeater ......

Up to 14 km

2,8 km

2,8 km

RS-232, RS-485, USB

RS-232: 15m

RS-485: 

1200 m

USB: 

5 m

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

24+25

53+54

24+25

53+54

The master’s module area provides extra communication options, e.g. GSM/GPRS, and also prepares the master for 

additional future functionalities.
Four light emitting diodes indicate the status of mains supply, data communication as well as possible overload and short-

circuit of the M-Bus network.
Kamstrup M-Bus Master MultiPort 250L has been designed for installation indoors. The protection class can be up to IP 67.

55121391_B1_GB_12.2013

5

Summary of Contents for M-Bus Master MultiPort 250L

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

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

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 28: ...55121391_B1_GB_12 2013...

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