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control – motion –

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IV25101A_e.DOC / Feb-08

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IV 251

Signal Converter

SSI => Analogue and SSI => Serial

•

Suitable for operation with all sensors and encoders using SSI interface

•

Scalable analogue o/- 10 volts, 0-20 mA and 4-20 mA proportional to the
sensor signal

•

Serial RS232 and RS485 interface for serial readout of the encoder data

•

Easy to set up by Teach function or by PC

•

Linearisation facilities by freely programmable input-output curves

•

Additional facilities as bit-blanking, round-loop-operation etc.

•

18–30 volts DC power supply, auxiliary voltage output 5 V DC for sensor supply

Operating Instructions

ELEKTRO-TRADING sp. z o.o

Tel. +48 (0-32) 734-55-72
Tel/

Fax

-32

)

34-55-70

E-Mail [email protected]
http://www.elektro-trading.com.pl

Содержание IV 251

Страница 1: ...RS232 and RS485 interface for serial readout of the encoder data Easy to set up by Teach function or by PC Linearisation facilities by freely programmable input output curves Additional facilities as...

Страница 2: ...ge to a machine or hazard to the operating staff it is indispensable to meet effective precautions in order to avoid such consequences Regarding installation wiring environmental conditions screening...

Страница 3: ...est 9 4 3 Scaling of the analogue output with use of the Teach function 9 4 4 The Set Input 10 5 Serial Readout of the Actual Encoder Position 11 6 PC setup using the operator software OS32 12 7 Param...

Страница 4: ...sensors using a standard SSI interface 6 to 25 bits of resolution with binary or Gray code The unit can operate in either master mode clock signal generated by the IV251 unit or in slave mode clock si...

Страница 5: ...he auxiliary voltage output the total power consumption of the unit is about 200 mA 1 2 3 4 5 6 7 8 9 10 11 12 Analogue out 10V SSI Clock SSI Clock Analogue GND 18 30 VDC typ 200 mA 0 20mA 4 20mA out...

Страница 6: ...51 converter Slave mode Clock Clock Data Data Encoder Master Clock Clock Data Data 2 3 Analogue outputs The unit provides one 10V voltage output and one 0 20 mA 4 20 mA current output at a resolution...

Страница 7: ...variables by PC according to need 5 4 3 2 1 9 8 7 6 GND int TxD RxD RS232 5V T T R R RS485 Sub D 9 female on unit site 5 4 3 2 1 9 8 7 6 5 4 3 2 1 9 8 7 6 5 4 3 2 1 9 8 7 6 5 4 3 2 1 9 8 7 6 GND TxD R...

Страница 8: ...I Test OFF Normal LED operation Teach function enabled ON Verifies correct status of clock and data lines Teach function disabled SSI Code OFF Gray Code ON Binary Code SSI Mode OFF Slave Mode ON Maste...

Страница 9: ...button your wiring of the encoder is o k Please power the unit down and set DIL position 6 to OFF for Teach operation With use of a PC and the OS32 operator software you can check the status also fro...

Страница 10: ...tronic suppression of the overflow jump The only way to reset an overflow error state is to cycle the power supply The LED overflow check may fail with encoders providing a resolution lower than 13 bi...

Страница 11: ...the serial link For setting of communication parameters a PC is required IV251 uses the DRIVECOM communication standard according to ISO 1745 Details about this protocol can be found in our file Serp...

Страница 12: ...hown in section 2 4 of this manual Make sure the cable only connects pins 2 3 and 5 Run the OS3 x software and you will find the following screen In case your text and color fields remain empty and th...

Страница 13: ...ing the Teach function Round Loop In general this setting should be 00000 Any other settings will substitute the real encoder position by a repeating cycle count Example when we set this register to 2...

Страница 14: ...SSI Offset 1024 0 360 180 degrees 1024 Original encoder signal Round Loop signal Encoder 13Bit Direction 1 SSI Offset 1024 Round Loop 2048 Volt T Min T Max Analogue Output Output Mode 1 The Round Loo...

Страница 15: ...nal encoder signal Round Loop signal Encoder 13Bit Direction 0 SSI Offset 2048 Round Loop 8192 Volt T Min T Max Analogue Output Output Mode 1 2048 Output Mode Selects the output format of the analogue...

Страница 16: ...s with the resolution and the number of registered turns when you use this function The subsequent example uses a 13 bit single turn encoder to explain two different results when blanking out one bit...

Страница 17: ...time for correct synchronization pause is detected after 4 clock cycles The unit automatically synchronizes with every remote clock signal within the specified Baud rate range SSI Wait Time This regis...

Страница 18: ...TM2 In critical cases you can reduce the internal processing times of the unit by omitting the conversion of serial RS232 encoder data For this just set parameter Operand to 00000 SSI Offset Defines t...

Страница 19: ...hown in section 8 7 6 Set up Settings Analogue Offset This register can adjust the analogue zero output in a range of approx 100mV respectively 200 A if necessary Analogue Gain Sets the maximum output...

Страница 20: ...etting Baud 0 9600 1 4800 2 2400 3 1200 4 600 5 19 200 6 38 400 Factory setting Serial Format Setting Data bits Parity Stop bits 0 7 even 1 1 7 even 2 2 7 odd 1 3 7 odd 2 4 7 none 1 5 7 none 2 6 8 eve...

Страница 21: ...scale Now enter the attached values to registers P1 y to P16 y These are the values that the analogue output will generate instead of the x values As an example the value of P2 y will substitute the e...

Страница 22: ...ope For this select TOOLS then TEST and there Analogue Voltage Function The unit will now simulate a repeating motion of the encoder over the full range and generate the analogue signal accordingly Wh...

Страница 23: ...from the TOOLS menu you are able to verify the following data by clicking to the corresponding field Actual encoder position DIL switch settings Internal supply voltages Analogue output state Furtherm...

Страница 24: ...MHz SSI Format 13 21 or 25 Bit Master Slave Gray Bin SSI break time min 4 clock cycles Set Input HTL High 10V Low 3V Ri 5k Active High minimum pulse duration 10 msec Encoder supply 5 5V 5 max Load 150...

Страница 25: ...e 0 2 0 1 0 07 SSI Low Bit 0 25 1 2 0 08 SSI High Bit 1 25 25 2 0 09 SSI Baud rate 100 1000000 100000 7 0 10 SSI Wait Time 0 10 000 0 5 3 11 SSI Offset 0 99999999 0 8 0 12 SSI Reset Value 0 99999999 0...

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