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Technical description

Description 

The MRP31 devcie allows the connection of the Universal Mo-
tor Controller UMC100.3 to a Modbus RTU network.

MRP31.0

MODBUS-RTU Interface

   

Содержание MRP31.0

Страница 1: ...Technical description Description The MRP31 devcie allows the connection of the Universal Mo tor Controller UMC100 3 to a Modbus RTU network MRP31 0 MODBUS RTU Interface ...

Страница 2: ...eader to important information potential risks and precaution information The following symbols are used Sign to indicate a potential dangerous situation that can cause damage of the connected devices or the environment Sign to indicate important information and conditions Sign that indicates a potential dangerous situation that can cause human injuries Terms and Abbreviations SMK3 0 Single Mounti...

Страница 3: ...ion 9 Modbus Connection 9 Modbus line with MRP31 directly connected to UMC100 3 in a drawout system 10 Modbus line with MRP31 mounted outside a drawer using single mounting kit SMK3 0 11 Using Fiber Optic Converters and ModbusTCP Router 12 Diagnosis 13 Diagnosis and behaviour in case of an error 13 Checklist 13 Modbus communication and Register Map for UMC100 3 15 Technical data 17 Dimensions 18 C...

Страница 4: ... 4 MRP31 0 Technical description Issue 09 2014 Document History 09 2014 1 0 Initial Release ...

Страница 5: ...state is defined as bit 0 data low Ground wire and cable shield should be connected to prevent common mode voltage between the network devices from drifting outside the allowable limits RS 485 bus cable should be terminated with a 120 Ohm resistor on both ends to prevent signal reflection The MRP31 Modbus Interface The MRP31 Modbus communication interface is an optional device for the UMC100 3 whi...

Страница 6: ... or separately from the UMC100 3 using the single mounting kit SMK3 0 Mounting the MRP31 on the UMC100 3 When the module is installed directly on the UMC100 3 the UMC100 3 with MRP31 acts like a device with integrated Modbus RTU communication No additional accessories are needed Move down MRP31 until snapped in to fix MRP31 on UMC100 3 Image shows UMC100 3 DC ...

Страница 7: ...removed Ready made cables are available But it is also possible to use own cables For more details see section Using MRP31 in a Drawout System Mounting the Single Mounting Kit The single mounting kit SMK3 0 can be either mounted on a DIN rail hat or fixed with screws on a fitting panel Mounting the MRP31 on the Single Mounting Kit Step 1 Plug in the communication and power supply connectors Step 3...

Страница 8: ...scription Issue 09 2014 MRP31 Demounting the MRP31 Follow the shown procedure for demounting the MRP31 from UMC100 3 or SMK 3 For demounting slightly rotate screw driver and move the MRP31 upwards to loosen snap in connection ...

Страница 9: ...e module does not provide means to adjust the Modbus slave address and baud rate The Modbus slave address baud rate and communication timeout can be set in the UMC100 3 and are copied to the Modbus interface module during initial connection between UMC and MRP31 When changing communication parameters later on perform a power cycle If the MRP31 is used with an old UMC100 e g UMC100 R101 R201 then t...

Страница 10: ...nnect the UMC100 3 to a Modbus network Required grounding of the Modbus cable is not shown in this figure UMC100 3 and MRP31 mounted in drawer Termination active Termination active Ground wire and cable shield should be connected to prevent common mode voltage between the network devices from drifting outside the allowable limits Modbus Master Network Length Modbus Cable Modbus Cable ...

Страница 11: ...a drawer replacement the new not addressed UMC100 3 takes over the bus address automatically Swapping of drawers detected if Address Check in UMC100 3 enabled I e it is not possible to accidently start the wrong motor because of swapped drawer Required grounding of the Modbus cable is not shown in this figure Modbus Master Network Length Termination active 1 24V DC supply for the MRP31 communicati...

Страница 12: ...CP is required an eILPH device Alternatively the ModbusTCP communication interface MTQ22 can be used UMC100 3 with MRP31 UMC100 3 with MRP31 UMC100 3 with MRP31 UMC100 3 with MRP31 Please note that the MTQ22 communication interface allows a direct integration into a ModbusTCP network ILPH RS485 FO Termination ILPH RS485 FO Fiber up to 4km depending on fiber type Copper Modbus RTU Copper Terminatio...

Страница 13: ... on a drop cable Is the line polarity correct Are the lines by accident swapped Is the maximum line length exceeded MODBUS parameters Is the baud rate correctly adjusted Is the MODBUS master in RTU mode Is the slave address correct Are there two devices with the same address in the system MODBUS master Is the request to response timeout correct Is the MODBUS silent interval between two telegrams 3...

Страница 14: ...ommunication interface Modbus exception codes Code Name Meaning 01 ILLEGAL FUNCTION The function code received in the request is not an allowable action for the slave It could also indicate that the slave is in the wrong state to process a request of this type for example because it is not confi gured 02 ILLEGAL DATA ADDRESS The data address received in the request is not an allowable address for ...

Страница 15: ...diagnosis can be accessed Analog Inputs of UMC100 3 acc to the UMC100 3 manual section A1 Parameters and Data Structures on a Fieldbus Register Data 0x0200 Motor Current in of Ie 0 800 0x0201 Analog Word Thermal Load 0 100 0x0202 Analog Word Time to trip in seconds 0x0203 Analog Word Time to restart in seconds 0x0204 Analog Word Active power in selected scale 0x0205 DX1xx DI7 DX1xx DI6 DX1xx DI5 D...

Страница 16: ...t 4 Bit 3 Bit 2 Bit1 Bit 0 Bit 8 0x2000 Checkback missing PTC wiring failure PTC hot Pre waring thermal model Locked rotor during start up stall Phase imbalance1 Phase loss1 Thermal overload trip Actuator problem1 UMC self test error Earth fault pre warning Eart fault trip internal or externally trig gered I above high current warning threshold I above high current trip threshold I below low curre...

Страница 17: ...sistors no Possible bus addresses set via UMC100 1 125 Max baudrate 57 6 kBit s Pollution degree 3 Standards directives Product standard Modbus Specification RoHS Directive 2002 95 EC Environmental data Ambient air temperature Operation 0 60 C Storage 25 70 C Vibration sinusoidal acc to IEC EN 60068 2 6 Fc 4 g 10 150 Hz Shock half sine acc to IEC EN 60068 2 27 Ea 15 g 11 ms General Data Degree of ...

Страница 18: ... 3 504 2 520 3 925 1 2 5 4 3 2 1 1 2 3 4 5 1 2 3 4 5 6 CDP18 CDP24 X1 X2 X1 X2 X1 Dimensions Connection Cables Pin Color Function 5 Blue VDD 4 Brown VCC 3 Black Communication 2 Green Yellow Communication 1 White Diagnosis Colors must match Pin Function 2 24 V DC 1 0 V DC Drawer to UMC100 3 ...

Страница 19: ...for your comments and sug gestions Please provide us with the following information if you have noticed an issue Name Company Department Telephone Email Problem Description Steps to reproduce the problem Version of UMC Ident number on nameplate and firmware version which is displayed on the UMC100 PAN Version of MRP Ident number on nameplate FAX No 49 0 6221 701 1382 ...

Страница 20: ...MEMO 20 MRP31 0 Technical description Issue 09 2014 ...

Страница 21: ... 21 Technical description MRP31 0 Issue 09 2014 ...

Страница 22: ... 22 MRP31 0 Technical description Issue 09 2014 ...

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Страница 24: ... without prior notice With regard to purchase orders the agreed particulars shall prevail ABB AG does not accept any responsibility whatsoever for potential errors or possible lack of information in this document We reserve all rights in this document and in the subject matter and illustrations contained therein Any reproduction disclosure to third parties or utilization of its contents in whole o...

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