
20VS5-100
P. 1 / 3EM-4420 Rev.1
ISOLATION AMPLIFIER
(bi-directional amplier) MODEL
20VS5-100
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 Model No. marking on the product to be 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
•PowerSupply
Operational voltage range: 11.5 – 16V DC
Powerconsumption:approx.7mADC(noload)
Install the filter for the power supply as indicated below.
■ENVIRONMENT
•Indooruse
•Whenheavydustormetalparticlesarepresentintheair,
install the unit inside proper housing with sufficient ven-
tilation.
•Donotinstalltheunitwhereitissubjectedtocontinuous
vibration.Donotsubjecttheunittophysicalimpact.
•Environmentaltemperaturemustbewithin-10to+70°C
(14to158°F)withrelativehumiditywithin30to90%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
Whenitisinstalledontheprintedwiringboard,landdiam-
eterø1.5andthrough-holeø0.9arerecommended.
■AND ....
•Theunitisdesignedtofunctionassoonaspowerissup-
plied,however,awarmupfor10minutesisrequiredfor
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) Powerinputvoltage:Checkvoltageacrossthepins.
3) Input:Checkthattheinputsignaliswithin0–100%of
the full-scale.
4) Output: Check that the load resistance meets the de-
scribed specifications.
10µF
+
–
COM
POWER
560µH
14
15
+15V
10µF
+
–