YOKOGAWA VZ20X, Руководство пользователя

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■ Outline
The VZ20X Analog Sensing Unit can measure
various analog signals at high speed, high accuracy
and simultaneously. Isolation between input
channels ensures excellent noise resistance.
VZ20X measurement data can be acquired on a PC,
PLC or other host device via Ethernet.
■ Features

Reliable Sensing
A single unit can measure analog inputs on 8
channels at high accuracy and at a high-speed
sampling (1ms).
Multiple channels (a maximum of 120 channels on
15 units) can be measured simultaneously.
(See “ ■ Communication Specifications”)
Isolation is provided between input channels to
make it less susceptible to noise in the installation
environment.

Smallest In Its Class In the Word, Compact and
Savings in Wiring Used
Its compact size (external dimensions: 50 (width) x
78 (height) x 65 (depth)) ensures that it takes up a
small footprint in manufacturing facilities.
Adoption of a push-in type connection allows the
product to be mounted simply by inserting a ferrule
terminal.

Various Analog Sensors Supported
DC voltage, standard signal, resistance,
thermocouple, and resistance temperature detector
can be measured on a single unit.
■ System Configuration (example)
Time synchronization supported in this configuration (daisy
chain connection, excluding when Connection type is "1 unit")
Time synchronization not supported in this configuration
■ Input Functions
•
Data acquisition interval
Selectable from 1 ms, 10 ms, 50 ms, 100 ms
Settings common to all channels
•
Power supply frequency noise removal filter
Can be switched ON/OFF for each individual
channel
Filter selectable from 50 Hz, 60 Hz, Common
Filter time constant
50 Hz: Approx. 25 ms
60 Hz: Approx. 32 ms
Common: Approx. 63 ms
•
Moving average filter
Can be switched ON/OFF for each individual channel
Moving average count selectable in range 2 to 100 times
•
First-order lag filter
Can be switched ON/OFF for each individual channel
Filter time constant is data acquisition interval x N
(where, N is selectable in range 1 to 100)
•
Scale
Voltage, standard signal, and resistance signal
input can be scaled
Settable on each individual channel
•
Bias
Bias value to add to value after scaling can be set
Settable on each individual channel

Input calculation processing
Input value
Power supply frequency noise removal filter
Data acquisition interval
Movin average filter
First-order lag filter
Scaling
Bias
Measured value
General
Specification
GS 77V01B01-01EN
Model VZ20X
Analog Sensing Unit
GS 77V01B01-01EN
2021. 8 1st Edition (YK)
2023. 2 7th Edition (YK)