YOKOGAWA JUXTA VJC1 Quick Start Manual

User's
Model VJC1
Loop Powered Isolator
Manual
(Single-channel and Dual-channel Types)
Thank you for purchasing the JUXTA Signal Conditioner.
Please read through this manual before use for correct handling.
CAUTIONARY NOTES FOR SAFE USE OF THE
PRODUCT
This User's Manual should be carefully read before installing and
operating the product. Please keep this User's Manual for future
reference.
Doc. Name
Model VJC1 Loop Powered Isolator (User's Manual) IM VJC1-01E
Model VJC1 Loop Powered Isolator (General
Specifications)
This manual is intended for the following personnel;
• Engineers responsible for installation, wiring, and maintenance
of the equipment.
• Personnel responsible for normal daily operation of the
equipment.
The following symbol is used on the product and in this manual to
ensure safe usage.
WARNING
Calls attention to actions or conditions that could
cause serious or fatal injury to the user, and indicates
precautions that should be taken to prevent such
occurrences.
CAUTION
Calls attention to actions or conditions that could
cause injury to the user or damage to the instrument
or property and indicates precautions that should be
taken to prevent such occurrences.
QR Code
The product has a QR Code pasted for efficient plant
maintenance work and asset information management.
It enables confirming the specifications of purchased products
and user's manuals.
For more details, please refer to the following URL.
https://www.yokogawa.com/qr-code
* QR Code is a registered trademark of DENSO WAVE
INCORPORATED.
CHECKING PRODUCT SPECIFICATIONS
AND PACKAGE
(1) Checking the Model and Product Specifications
Check that the model and specifications indicated on the
nameplate attached to the main unit are as ordered.
(2) Packaged Items
Check that the package contains the following items:
• VJC1: 1 unit
Standard Accessories:
• Tag number label: 1 sheet
• User's manual (IM VJC1-01E, this manual): 1 copy
IM VJC1-01E
3rd Edition Feb. 2025 (YK)
Doc. Number
(This manual)
GS 77J01C01-01E
1
2-9-32, Naka-cho Musashino-shi, Tokyo 180-8750 Japan
Phone: +81-422-52-7179 Facsimile: +81-422-52-6793
You can download the latest manuals from the following website:
http://www.yokogawa.com/ns/juxta/im/
GENERAL
The VJC1 is a plug-in signal isolator that receives current signals
from a signal source and converts them into isolated DC voltage
or isolated DC current signals. The VJC1 isolator can operate
without any driving power source.
• A choice of single-channel and dual-channel models.
MODEL AND SUFFIX CODES
Model Suffix codes
VJC1 -0 x N -x x N 0 /x
-0
1
Output
2
N
-A
Input signal
-H
A
Output signal
6
N
Option
*1: Channels 1 and 2 share the same input/output ranges.
Note: An exclusive User's Manual might be attached to the
products whose suffix codes or option codes contain the code
"Z" (made to customers' specifications). Please read it along
with this manual.
Description
Loop Powered Isolator
Always -0
Single-channel
Dual-channel
*1
Always N
4 to 20 mA DC
10 to 50 mA DC
4 to 20 mA DC
1 to 5 V DC
4 to 20 mA DC
0 Always 0
No socket (with socket if not
/SN
specified)