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DATUM ELECTRONICS

M425 TORQUE TRANSDUCER HANDBOOK

SYSTEM CONNECTIONS

When supplied with the Universal Transducer Interface the

Datum M425 Torque Transducers provide simple connections

to logging, monitoring and control system through both

analogue and serial interfaces. Software is provided to access

the primary Ethernet setup interface for the M425.

*The

12V Output

and the

Serial IN Copy

are screw

terminals that duplicate the connections for the serial
torque sensor ‘D’ connector.

**Alternative power input terminal.

Serial Torque Sensor

Factory Reset

Zero Reset

Ethernet

USB Type A - Data Logging

USB Mini B - Primary USB to PC

InterfaceMain Power Input

Serial Output

Diagram No. 13

Universal Interface connections guide

Power Analogue (2 way)

Speed Analogue (2 way)

Torque Analogue (2 way)

Thrust Analogue (2 way)

*12 Volts OUT (2 way)

*Serial IN copy (2 way)

Tacho Pulse IN (3 way)

Power LED (2 way)

15V - 24V OUT (2 way)

**15V - 24V Power IN (2 way)

Front

Back

Ethernet/USB

Diagram No. 12

M425

M425 Transducer, Universal Interface

and PC connections guide

Universal

Interface

Main power

plug input

Optional power supply:

15-24V dc 500mA

Содержание M425

Страница 1: ...CTRONICS M425 TORQUE TRANSDUCER HANDBOOK AND INSTALLATIONGUIDE DATUM ELECTRONICS LIMITED TELEPHONE 44 0 1983 28 28 34 FAX 44 0 1983 28 28 35 EMAIL support datum electronics co uk WEB www datum electronics co uk ...

Страница 2: ...ER INTERFACES 9 Universal interface 9 Graphic user interface 9 Versatile bulkhead mounted indicator 10 Alternate connection options 10 DATA OUTPUT 11 The M425 Transducer 3 operational modes 11 Data output format 11 Raw data torque calculation 11 Software commands direct to the M425 stator 11 How checksum is calculated 12 Sample rates and resolution 12 PC port limitations 12 OUTPUT PERFORMANCE 13 M...

Страница 3: ...he M425 also has a legacy mode so that it can be used as a direct replacement for the previous M420 Transducer CHECK LIST Included as standard with the M425 Torque Transducer DESCRIPTION QUANTITY 1 M425 Torque Transducer 1 2 M425 handbook 1 3 Quick start guide 1 4 Test certificate 1 5 Datum software 1 6 Transducer cable 1 7 Power supply 1 Optional extras available from Datum Electronics DESCRIPTIO...

Страница 4: ... The M425 supports a variety of universal interface models Once you are familiar with the transducer and its outputs continue to install as normal If any questions arise at this stage please call our product support team for advice The Datum Universal Interface display The Datum Universal Interface has a built in display which you can use for familiarisation with a direct connection to the M425 To...

Страница 5: ...jected to the proof load level within its testing cycle Loading the Transducer above the proof level will offset the Transducer zero and will damage the Transducer Regular loading beyond the proof level will start to show progressive zero movement and may effect both the gain and the hysteresis of the Transducer The shaft absolute load is the maximum before the shaft will yield You should avoid an...

Страница 6: ...as using the data cable may damage the connection The data cable is not designed to take a load Cable tie or lanyard WHICH WAY ROUND TO MOUNT The M425 Transducer will operate in both a clockwise or anti clockwise direction The M425 Transducer is calibrated to give a positive output for clockwise torque and a negative output for counter clockwise torque The M425 Transducer will also output torque d...

Страница 7: ... data cable from the M425 Transducer to an interface must meet the following specification 4 core wire braided screened 7 02mm PVC Sheathed cable or equivalent The M425 Transducer current consumption is less than 250mA with a 12Vdc supply The M425 Transducer complete with its Universal Signal Interface will consume below 450mA Note alignment notch at top of contact carrier Max Cable length 200m Pi...

Страница 8: ...ial torque sensor D connector Alternative power input terminal Serial Torque Sensor Factory Reset Zero Reset Ethernet USB Type A Data Logging USB Mini B Primary USB to PC InterfaceMain Power Input Serial Output Diagram No 13 Universal Interface connections guide Power Analogue 2 way Speed Analogue 2 way Torque Analogue 2 way Thrust Analogue 2 way 12 Volts OUT 2 way Serial IN copy 2 way Tacho Pulse...

Страница 9: ...ill also accept an input from an external tachometer sensor the output from this sensor can be directly linked into the torque and power data USER INTERFACES The outputs that can be configured are Datum data logging software The Datum data logging and configuration software provides a wide range of control functions of the M425 including set up and configuration options plus data logging GRAPHIC U...

Страница 10: ...ndard ALTERNATE CONNECTION OPTIONS The M425 is compatible with a variety of other universal interfaces or indicators by correct cable and PIN configuration This allows direct connection to their user software and customers own software See page 7 for a guide to wiring connector configuration The M425 will also accept configuration commands to enable connection to legacy Datum Electronics interface...

Страница 11: ...sensor 25 6 is the RPM CS is the data checksum This type of string containing multiple mV V signal value is used where the baud rate of the receiving device is limited and a higher data rate is required String type B ZR 0 0492 0 0492 0 0492 0 0492 0 0492 0 0492 0 0492 0 0492 0 0492 0 0492 24 1 21 6 CS Where ZR is the string identifier 0 0492 are the last 10 signal values in mV V from the sensor 25...

Страница 12: ...in tables 1 and 2 on page 13 These table show the rates for a range of standard output strings PC PORT LIMITATIONS Note the M425 Transducer is capable of transmitting at the rates above Some PC s have limited port configurations that may not be able to cater for data rates at this level The maximum data rate at a given baud rate can be calculated as The basic string with a single torque value and ...

Страница 13: ...00 38400 57600 115200 256000 460800 921600 3000000 Number of torque values Torque readings per second Example of the output string Type 1 1 per packet 43 87 174 260 525 1100 2000 4000 4000 ZR T R C V CS Type 2 5 per packet 88 177 355 533 1066 2000 4000 4000 4000 ZR T T T T T R C V CS Type 3 10 per packet 102 204 408 612 1225 2000 4000 4000 4000 ZR T T T T T T T T T T R C V CS Type 4 16 per packet ...

Страница 14: ... 0778 0 0779 0 0781 0 0781 0 0783 0 0781 0 0781 5 8E 08 221 2b ZF 0 0781 0 078 0 0785 0 0784 0 0785 0 0782 0 0779 0 078 0 0781 0 0779 0 0779 0 0778 0 0776 0 0779 0 0778 0 0775 5 8E 08 222 37 ZF 0 0781 0 0771 0 0776 0 077 0 0768 0 0768 0 0772 0 0772 0 0769 0 0766 0 0769 0 0766 0 0763 0 077 0 0767 0 0764 5 9E 08 223 15 ZF 0 0762 0 0759 0 0764 0 0761 0 0763 0 0761 0 0762 0 0761 0 076 0 0763 0 076 0 0...

Страница 15: ...S425 for IP67 68 Electromagnetic Compatibility EN61326 1 2006 IEC61000 4 IEC60945 Table No 7 SIGNAL INTERFACE OUTPUTS Digital RS485 Serial data RS232 Serial data Ethernet Data and configuration MODBUS UDP Serial data USB Type Mini B Serial data USB Type A Data logging Analogues All four of the M425 Transducer s analogue output channels can be configured for any of the following settings by the use...

Страница 16: ...A 5000 3687 9 0 3500 425 218 75 2364 7477 13353 24630 2 22E 06 450056 Size 4 B 10000 7375 7 0 3500 425 218 75 4618 14604 26079 38485 1 27E 06 789591 Size 5 A 15000 11064 0 2000 416 191 8502 23477 41922 52810 3 82E 07 2614430 Size 5 B 20000 14751 0 2000 416 191 11241 31040 55428 63617 2 95E 07 3390520 Size 5 C 25000 18439 0 2000 416 191 14513 40075 71562 75430 2 39E 07 4185528 Size 5 D 30000 22127 ...

Страница 17: ...5 B 38 48 27 699 416 173 7 170 112 5 5 121 110 116 32 44 Size 5 C 38 48 28 585 416 173 7 170 112 5 5 121 110 116 32 44 Size 5 D 38 48 29 422 416 173 7 170 112 5 5 121 110 116 32 44 A B C D E F K L M N O M425 model size Total mass Kgs Rotor mass Kgs Overall length Body length Body dia Output module length Output module height Exposed shaft length Spline outer dia Spline inner dia Spline width Chamf...

Страница 18: ...lied with an indicator or a signal interface the outputs of the interface and the Transducer will both be calibrated and detailed on a systems test certificate The outputs calibrated will be the 10Vdc 5Vdc and the 4 20mA signals The indicators and serial data outputs for the Ethernet USB and MODBUS ports are directly sent from the Transducer Interface options allow a scaling factor s for these sig...

Страница 19: ...or 10 seconds will take the current torque reading as zero When checking or setting the zero check to see if any torque is locked into the transducer by the machine or rig on which it is used It is ideal to check the zero with the transducer disconnected from the rig NO DATA If you have no data being transmitted from the Transducer check the LED on top of the Transducer at the opposite end to the ...

Страница 20: ...ords transducer and sensor are often used in this context to mean the same thing Span This is the value of output at the rated load Either given in terms of mV V signal or Nm or lbft when in engineering units STEP files A STEP file is a widely adopted CAD file format used to share 3D models between users with different CAD systems Torque The twisting force on the shaft created by the driving force...

Страница 21: ...M425 TORQUE TRANSDUCER HANDBOOK 21 DATUM ELECTRONICS LIMITED TELEPHONE 44 0 1983 28 28 34 FAX 44 0 1983 28 28 35 EMAIL support datum electronics co uk WEB www datum electronics co uk DESIGNED BY WWW PEPPERCREATIVE CO UK ...

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