WAGO 750-643 Manual Download

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750-643 [MP-Bus Master Module]

•

Network

structure

WAGO-I/O-SYSTEM 750
I/O Modules

2.1.1.9.4 Topology

There are no restrictions with regard to the network topology. Star, ring and
tree structures are possible as well as mixed forms.

Slave

Sensor

MP-

Master

Sensor

Slave

MP-

Master

Sensor

Slave

MP-

Master

Sensor

Slave

Sensor

Slave

Sensor

Fig. 2.1.1-6: MP-Bus topologies

g064306x

One sensor can be connected per drive.

Drive

Connectable sensor

MFT

Active sensor (Output DC 0-32 V),
Switch ON/OFF

MFT2

Active sensor (Output DC 0-32 V),
Passive resistive sensor (e.g. PT1000),
Switch ON/OFF

2.1.1.9.5 External MP-Bus Master (hand held)

The module detects whether an external MP-Bus master has been connected
by means of the "Enable Handheld" input. The Belimo MFT parameterizing
unit MFT-H and the MFT-PC tool are external MP-Bus masters for the
module.

24 V

GND

MP-Bus

24 V 24 V

0 V

Enable

GND

MP-Bus

max.

modules

alternative

Fig. 2.1.1-7: Connecting an external MP-Bus master (e.g. hand held)

g064308e

Summary of Contents for 750-643

Page 1: ...Fieldbus Independent I O Modules MP Bus Master Module 750 643 Manual Version 1 3 0...

Page 2: ...571 8 87 5 55 Fax 49 0 571 8 87 85 55 E Mail support wago com Every conceivable measure has been taken to ensure the correctness and com pleteness of this documentation However as errors can never be...

Page 3: ...1 3 Indicating devices 12 2 1 1 4 Schematic circuit diagram 12 2 1 1 5 Technical data 13 2 1 1 6 Functional description 14 2 1 1 7 Process data 15 2 1 1 8 Data transfer 17 2 1 1 8 1 Message codes for...

Page 4: ...ght to provide for any alterations or modifications that serve to increase the efficiency of technical progress WAGO Kontakttechnik GmbH Co KG owns all rights arising from the granting of patents or f...

Page 5: ...loped for use in an environment that meets the IP20 protection class criteria Protection against finger injury and solid impurities up to 12 5 mm diameter is assured protection against water damage is...

Page 6: ...Emergency stop functions and equipment shall not be made ineffective See relevant standards e g DIN EN 418 The equipment of your system shall be conform to EMC guidelines so that any electromagnetic i...

Page 7: ...bserved to ensure smooth and efficient operation ESD Electrostatic Discharge Warning of damage to the components through electrostatic discharge Observe the precautionary measure for handling componen...

Page 8: ...n a long term basis Warning The components are not resistant against materials having seeping and insulating properties Belonging to this group of materials is e g aerosols silicones triglycerides fou...

Page 9: ...enu e g File New END Pushbuttons are marked as bold with small capitals e g ENTER Keys are marked bold within angle brackets e g F5 Courier The print font for program codes is Courier e g END_VAR 1 6...

Page 10: ...s DC 24 V MP Bus supply DC 24 V MP Bus supply 0 V MP Bus supply 0 V MP Bus supply Power jumper contacts Fig 2 1 1 1 View g064300e 2 1 1 2 Description The MP Bus master module 750 643 is used for the d...

Page 11: ...hes off the MP Bus supply Four green LEDs signal that the module is ready for use the module bus communication is free from faults and the handheld unit is enabled as well as transmit receive and the...

Page 12: ...l TxD present off 24 V MP Bus supply not present C 24 V MP Bus supply green 24 V MP Bus supply present off Receive signal RxD not present 13 14 C D B A D C B A Fig 2 1 1 2 Indicating devices g063802x...

Page 13: ...ehavior Automatic restart on return of power Supply voltage internal via system voltage DC DC Current consumption internal 15 mA Potential isolation 500 V System MP Bus Data width internal 1 byte C S...

Page 14: ...h a programmable fieldbus controller When a programmable fieldbus controller is used several IEC 61131 3 function blocks are required for the MP Bus master functions The task of the function blocks is...

Page 15: ...e stored in 6 output bytes D0 D5 and 6 input bytes D0 D5 Two control bytes C0 C1 and two status bytes S0 S1 are used to control the data flow The bytes C1 and S1 are transferred as data bytes but are...

Page 16: ...Process data exchange 1 Register communication 0 Reserved Extended control byte C1 Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0 MC3 MC2 MC1 MC0 0 0 DA DR DR Data Request toggle mode New output dat...

Page 17: ...in the status byte for the direction to the fieldbus controller In order to safeguard the sequence of data packets a transaction number TNO is assigned for each set of associated partial data packets...

Page 18: ...message code K2F_COM_T0 as a reply 0 D0 4 MP Bus telegram according to specification without length and cross parity 0 D5 TNO 1 D0 4 MP Bus telegram according to specification without length and cross...

Page 19: ...0 D5 TNO 1 D0 D3 Data received 1 D4 not used 1 D5 TNO ERR 1 0 D0 Error number 0 D1 Extended error status 0 D2 D4 not used 0 D5 TNO 1 D0 D4 not used K2F_TEST 2 1 D4 TNO ERR 0 Transmission confirmation...

Page 20: ...Error number 0 D1 Extended error status 0 D2 Function macro ID 0 D3 D4 not used 0 D5 TNO 1 D0 D4 not used K2F_FM 6 1 D5 TNO 2 1 1 8 3 Use of the module 750 643 with programmable fieldbus controllers...

Page 21: ...s lib Version 1 6 or later No function can be guaranteed if the versions do not match 2 1 1 8 3 2Overview of function blocks Further device specific function blocks are available as well as the master...

Page 22: ...a response and thus relieve the burden on the module bus and the function blocks Appropriate function macros are available for Type 1 and Type 2 MP Bus addressing These macros are used by the function...

Page 23: ...after requesting the serial number 0 D2 4 Serial number of the programmed MP Bus device 0 D5 TNO 1 D0 3 Serial number of the programmed MP Bus device 1 D4 not used K2F_FM 1 1 D5 TNO MP Bus addressing...

Page 24: ...re be made up using commercially available installation cable Note To simplify the wiring special ribbon cables with adapters for connecting MFT drives and sensors to the MP Bus are obtainable from Wo...

Page 25: ...YSTEM 750 I O Modules Fig 2 1 1 4 MP Bus length as a function of the active power of all drives p064305x Example Total active power of all drives Wtot 10 W Diagram curve Core cross section Bus length...

Page 26: ...ti Function Technology Damper drives MFT 2 valve drives MFT fire prevention damper drives and VAV compact controllers as well as the Belimo FLS window ventilation system are available Further informat...

Page 27: ...lave MP Master Sensor Slave Slave Sensor Slave Sensor Fig 2 1 1 6 MP Bus topologies g064306x One sensor can be connected per drive Drive Connectable sensor MFT Active sensor Output DC 0 32 V Switch ON...

Page 28: ...associated status bit in the extended status byte via the module bus The module also switches off its master functionality when the 24 V supply voltage is applied to the Enable Handheld input The sys...

Page 29: ...750 643 MP Bus Master Module 29 Network structure WAGO I O SYSTEM 750 I O Modules...

Page 30: ...WAGO Kontakttechnik GmbH Co KG Postfach 2880 D 32385 Minden Hansastra e 27 D 32423 Minden Phone 05 71 8 87 0 Fax 05 71 8 87 1 69 E Mail info wago com Internet http www wago com...

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