M643 datasheet(3/7 Pages) DSE

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Analogue Current Inputs

Connector C

Current measurement direction

Current sink only

Pin 7, 8, 17, 18, 19, 20,

29, 30

Current measurement ranges

0 mA to 20 mA

4 mA to 20 mA

Current measurement resolution

12 bits

Current measurement accuracy

±1% FSD

Current measurement input sink resistance

100

Ω ±1%

Current measurement sampling rate

1 kHz

FSD = Full Scale Deflection

Analogue Resistive Inputs

Connector C

Resistance measurement range

Ω to 3400 Ω

Pin 7, 8, 17, 18, 19, 20,

29, 30

Resistance measurement source voltage

12 V maximum

Resistance measurement current

1 mA

Resistance measurement resolution

12 bits

Resistance measurement accuracy

±1% FSD

Resistance measurement sampling rate

1 kHz

FSD = Full Scale Deflection

Analogue Ratiometric Inputs

Connector C

Voltage ratiometric measurement voltage range

Pin 7, 8, 17, 18, 19, 20,

29, 30

Voltage ratiometric measurement Vref

Supply / Vref

Voltage ratiometric measurement

Ratio of input pin to supply

voltage

Voltage ratiometric measurement accuracy

±1% FSD

FSD = Full Scale Deflection

DSEControl®

DSEM643

Frequency Inputs

Connector C

Frequency range

5 Hz to 30 kHz

Pin 6, 9, 14, 15, 16, 22,

28, 31

Resolution

100 Hz at maximum

frequency

Accuracy

400 Hz at Maximum

frequency

Maximum space voltage

< 2 V

Minimum mark voltage

> 6 V

Phase Inputs

Connector C

Frequency range

5 Hz to 30 kHz

Pin 6, 9, 14, 15, 16, 22,

28, 31

Resolution

1 degree

Accuracy

1 degree

Maximum space voltage

< 2 V

Minimum mark voltage

> 6 V

Pulse Counter Inputs

Connector C

Frequency range

5 Hz to 30 kHz

Pin 6, 9, 14, 15, 16, 22,

28, 31

Resolution

1 count

Maximum count

224 (15777215)

Direction

Up / down

055–236/07/21 (6)

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