Model VJUK
Limit Alarm for Universal
Input
•
Input resistor (shunt resistor): 1 pc. (100 Ω: E9786WD)
(when model code 1 and input signal A are specified)
•
Input resistor (shunt resistor): 1 pc. (100 Ω: E9786WD)
(when the /R100 option is specified)
•
Input resistor (shunt resistor): 1 pc. (250 Ω: E9786WE)
(when the /R250 option is specified)
•
User’s manual (IM 77J01U21-01E, this manual): 1 copy
•
User’s manual (IM 77J01A00-91Z1): 1 copy
GENERAL
The VJUK is a plug-in type alarm setting device that receives
voltage/current, thermocouple/RTD, or mV signal as an input signal.
•
Various parameters can be changed from a PC (VJ77).
MODEL AND SUFFIX CODES
Model
Suffix codes
Description
VJUK
-x
2
x -x
T 0 0
/x
Limit Alarm for Universal Input
Model
code
-1
DC input type (voltage and
current input)
*1
-2
DC current input type (with
transmitter power supply)
*2
-3
Temperature input type
*3
Output
configuration
2
2 outputs
Power supply
6
100-240 V AC/DC
*4
7
15-30 V DC
*5
Input signal
-6
1 to 5 V DC
-A
4 to 20 mA DC
-U
Thermocouple, RTD, or mV
signal; voltage or current
*6
Output signal
T
Alarm output (2 relay contact
points)
Fixed code
0
Always 0
Fixed code
0
Always 0
Option
/SN
No socket (with socket if not
specified)
/C0
HumiSeal coating
*7
/FB
Fuse bypass
*7
/RJCN
No RJC sensor (with RJC
sensor if not specified)
*8
/R100
With 100 Ω input resistor
*9
/R250
With 250 Ω input resistor
*9
/DF
Fahrenheit display function
*1: Input signal can be selected from 6, A, and U.
*2: Input signal is fixed to A.
*3: Input signal is fixed to U.
*4: Operating range: 85 to 264V AC/DC
*5: Operating range: 12 to 36V DC
*6: When the model code is 1, the input signal is voltage and current.
When the model code is 3, the input signal is thermocouple, RTD, and mV signal.
*7: When option code /C0 or /FB is specified, the conformity to the safety
and EMC standards is excluded. CE marking is not applicable.
*8: The /RJCN option can be selected when the model code is 3.
*9:
The /R100 and /R250 options can be selected when the input signal is U.
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.
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.
For more information of the safety precautions,
please refer to the “Precautions on the Use of the JUXTA Series (IM
77J01A00-91Z1)”. The related manuals and general specifications
are shown in the table below.
Doc. Name
Doc. Number
Precautions on the Use of the JUXTA Series (User’s Manual) IM 77J01A00-91Z1
Model VJUK Limit Alarm for Universal Input (User’s
Manual)
IM 77J01U21-01E
(This manual)
Model VJUK Limit Alarm for Universal Input (General
Specifications)
GS 77J01U21-01E
User’s manuals in the above table are essential parts of the
product; keep it in a safe place for future reference.
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 THE PRODUCT SPECIFICATIONS
AND THE CONTENTS OF PACKING
(1) Model and Specifications Check
Check that the model and specifications indicated on the
nameplate attached to the side face of the main unit are as
ordered.
(2) Contents of the Package
Check that the package contains the following items:
•
VJUK: 1 unit
Standard Accessories:
• Tag number label: 1 pc.
•
Range label: 1 sheet (when model code 1 or 3 is specified)
•
RJC sensor (A1167HT): 1 pc. (when optional code RJCN is
not specified) (when model code 3 is specified)
IM 77J01U21-01E
3rd Edition: Mar. 2021
User’s
Manual
1
Thank you for purchasing the JUXTA Signal Conditioner.
Please read through this manual before use for correct handling.
2-9-32, Naka-cho Musashino-shi, Tokyo 180-8750 Japan
http://www.yokogawa.com/ns/juxta/im/
You can download the latest manuals from the following website: