M-system 20VS5-500 Manual de usuario

20VS5-500

P. 1 / 4EM-4413 Rev.4

5-2-55, Minamitsumori, Nishinari-ku, Osaka 557-0063 JAPAN

Phone: +81(6)6659-8201 Fax: +81(6)6659-8510 E-mail: info@m-system.co.jp

ISOLATION AMPLIFIER

(high speed response, 5kV input isolation) MODEL

20VS5-500

INSTRUCTION MANUAL

BEFORE USE ....

Thank you for choosing M-System. Before use, please check

contents of the package you received as outlined below.

If you have any problems or questions with the product,

please contact M-System’s Sales Ofﬁce or representatives.

■PACKAGE INCLUDES:

Ampliﬁer ....................................................................... (1)

■MODEL NO.

Conﬁrm that the model number described on the product is

exactly what you ordered.

■INSTRUCTION MANUAL

This manual describes necessary points of caution when

you use this product, including installation, connection and

basic maintenance procedures.

POINTS OF CAUTION

■POWER INPUT RATING & OPERATIONAL RANGE

•PowerSupply

Operational voltage range: 14 – 16V DC

 Powerconsumption:Approx.7mADC(noload)

Install the ﬁlter for the power supply as indicated below.

■ENVIRONMENT

•Indooruse

•Whenheavydustormetalparticlesarepresentintheair,

install the unit inside proper housing with sufﬁcient ven-

tilation.

•Donotinstalltheunitwhereitissubjectedtocontinuous

vibration.Donotsubjecttheunittophysicalimpact.

•Environmentaltemperature mustbe within-10 to70°C

(14to158°F)withrelativehumiditywithin30to90%RH

in order to ensure adequate life span and operation.

■WIRING

•Do not install cables (power supply, input and output)

close to noise sources (relay drive cable, high frequency

line, etc.).

•Do not bind these cables together with those in which

noises are present. Do not install them in the same duct.

■INSTALLING THE MODULE

Whenitisinstalledontheprintedwiringboard,landdiam-

eterø1.6andthrough-holeø1.0arerecommended.

■AND ....

•Theunitisdesignedtofunctionassoonaspowerissup-

plied,however,awarmupfor10minutesisrequiredfor

satisfying complete performance described in the data

sheet.

•With voltage output, do not leave the output terminals

shortcircuited for a long time. The unit is designed to en-

dure it without breakdown, however, it may shorten ap-

propriate life duration.

CHECKING

1) Terminal wiring: Check that wiring is correctly connect-

ed according to the connection diagram.

2) Powerinputvoltage:Checkvoltageacrossthepins.

3) Input:Checkthattheinputsignaliswithin0–100%of

the full-scale.

4) Output: Check that the load resistance meets the de-

scribed speciﬁcations.

10µF

–

COM

POWER

560µH

+15V

10µF

–

20VS5-500

P. 2 / 4EM-4413 Rev.4

5-2-55, Minamitsumori, Nishinari-ku, Osaka 557-0063 JAPAN

Phone: +81(6)6659-8201 Fax: +81(6)6659-8510 E-mail: info@m-system.co.jp

TERMINAL CONNECTIONS

■EXTERNAL DIMENSIONS mm (inch)

■TERMINAL ASSIGNMENTS

PIN ASSIGNMENT

(BOTTOM VIEW)

REFERENCE VOLTAGE SOURCE (–)

REFERENCE VOLTAGE SOURCE (+)

COM (–)

NON-INVERTING INPUT

POWER SUPPLY (+)

POWER SUPPLY (–)

OUTPUT (–)

OUTPUT (+)

INVERTING INPUT

FEEDBACK

38 (1.50) 15.2 (.60)

38 (1.50)

25.4 (1.00)

5.08 (.20)

33.02 (1.30)

(.31)

0.7 (0.3) dia

–

OUTPUT

–

POWER

Note. The reference voltage source is common to the COM (–), terminal 4.

REFERENCE

VOLTAGE

SOURCE

COM (–)

INPUT NON-INVERTING INPUT

INVERTING INPUT

FEEDBACK

20VS5-500

P. 3 / 4EM-4413 Rev.4

5-2-55, Minamitsumori, Nishinari-ku, Osaka 557-0063 JAPAN

Phone: +81(6)6659-8201 Fax: +81(6)6659-8510 E-mail: info@m-system.co.jp

APPLICATION EXAMPLES

–

Non-inverting circuit G = 1

OUTPUT ±5V DC

–

REFERENCE

VOLTAGE SOURCE

■

Non-inverting amplifier circuit: Basic example of G = 1

INPUT ±5V DC

–

POWER SUPPLY 15V DC

–

R1R1

–

Inverting circuit G = -1

OUTPUT ±5V DC

■ Inverting amplifier circuit: Basic example of G = -1 (output inverted to the input)

INPUT ±5V DC +

–

REFERENCE

VOLTAGE SOURCE

–

POWER SUPPLY 15V DC

The primary ampliﬁer in this unit is high accurate. Installing external resistors to the inverting input (pin 2) and the feed-

back (pin 1), this unit can be used as a non-inverting or inverting ampliﬁer.

Theseriesresistanceoftheamplier,R1+R2mustbebetween10kΩand200kΩ.

The output is proportional to the input. The

gain is 1.

E.g.±5VDCfor±5VDCinput.

The output is inverted to the input. The gain

is -1.

E.g.+5VDCfor-5VDCinputand-5VDCfor

+5VDCinput.

–

R2R1

–

Non-inverting amplifier circuit G = 1 + R1/ R2

OUTPUT VO

■Non-inverting amplifier circuit: Example of G = 1 + R1/ R2

INPUT VIN

–

REFERENCE

VOLTAGE SOURCE

–

POWER SUPPLY

15V DC

Fora non-inverting amplicationthe output

is following.

VO=(1+R1/R2) × VIN

WhenR1=10kΩ,R2=10kΩ,thentheoutput

is following. The gain is 2.

VO= 2 ×VIN

–

R2R1

–

Inverting amplifier circuit G = -R1/ R2

OUTPUT VO

■Inverting amplifier circuit: Example of G = -R1/ R2(output inverted to the input)

INPUT VIN +

–

REFERENCE

VOLTAGE SOURCE

–

POWER SUPPLY

15V DC

For an inverting amplication the output is

following.

VO =-(R1/R2) × VIN

WhenR1=20kΩ,R2=10kΩ,thentheoutput

is following. The gain is -2.

VO=-(20kΩ/10kΩ)× VIN = -2 × VIN

20VS5-500

P. 4 / 4EM-4413 Rev.4

5-2-55, Minamitsumori, Nishinari-ku, Osaka 557-0063 JAPAN

Phone: +81(6)6659-8201 Fax: +81(6)6659-8510 E-mail: info@m-system.co.jp

Foranon-invertingamplicationwithex-

ternal adjustments, when the combined

resistanceofthespanadjustmentand9kΩ

is10kΩ,thegainis(1+10kΩ/R2) × VIN.

Withthespanadjustment (2kΩ),theout-

putiscongurable.Thezeroisadjustable

withareferencevoltagesourceof±7.5VDC

andtheattenuationof200Ωand30kΩ.

■ Inverting amplifier's circuit with external adjustment

INPUT VIN +

–

9kΩ

10kΩ

100kΩ

(ZERO)

2kΩ

(SPAN)

30kΩ

200Ω

–

–+

–

OUTPUT ±5V DC

–

REFERENCE

VOLTAGE

SOURCE

POWER SUPPLY

15V DC

Foraninvertingamplicationwithexter-

nal adjustments, when the combined re-

sistanceofthespanadjustmentand9kΩis

10kΩ,thegainis-(10kΩ/R2) ×VIN.With

the span adjustment (2kΩ), the output is

congurable. The zero is adjustable with

areferencevoltagesourceof±7.5VDCand

theattenuationof200Ωand30kΩ.

MAINTENANCE

Regularcalibrationprocedureisexplainedbelow:

■CALIBRATION

Warmuptheunitforatleast10minutes.Apply0%,25%,

50%, 75% and 100% input signal.  Check that the output

signal for the respective input signal remains within accu-

racy described in the data sheet.

–+

–

Non-inverting amplifier circuit zero/span adjustments (input ±2.5V, output ±5V)

OUTPUT ±5V DC

■ Non-inverting amplifier's circuit with external adjustments: Example of G = 2

–

+REFERENCE

VOLTAGE

SOURCE

9kΩ

10kΩ

50kΩ

(ZERO)

2kΩ

(SPAN)

INPUT ±2.5V DC

30kΩ

200Ω

–

POWER 15V DC

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