YOKOGAWA JUXTA VJ Series User Manual

User's
Model VJUK
Limit Alarm for Universal
Manual
Input
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. 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
Precautions on the Use of the JUXTA Series (User's Manual) IM 77J01A00-91Z1
Model VJUK Limit Alarm for Universal Input (User's
Manual)
Model VJUK Limit Alarm for Universal Input (General
Specifications)
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
Doc. Number
GENERAL
The VJUK is a plug-in type alarm setting device that receives
IM 77J01U21-01E
voltage/current, thermocouple/RTD, or mV signal as an input signal.
(This manual)
•
GS 77J01U21-01E
MODEL AND SUFFIX CODES
Model
VJUK
Model
code
Output
configuration
Power supply
Input signal
Output signal
Fixed code
Fixed code
Option
*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.
*7: When option code /C0 or /FB is specified, the conformity to the safety
*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
1
2-9-32, Naka-cho Musashino-shi, Tokyo 180-8750 Japan
You can download the latest manuals from the following website:
http://www.yokogawa.com/ns/juxta/im/
• 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
Various parameters can be changed from a PC (VJ77).
Suffix codes
-x 2 x -x T 0 0 /x
-1
-2
-3
2
6
7
-6
-A
-U
T
0
0
/SN
/C0
/FB
/RJCN
/R100 With 100 Ω input resistor
/R250 With 250 Ω input resistor
/DF
When the model code is 3, the input signal is thermocouple, RTD, and mV signal.
and EMC standards is excluded. CE marking is not applicable.
products whose suffix codes or option codes contain the code
"Z" (made to customers' specifications). Please read it along
with this manual.
Description
Limit Alarm for Universal Input
DC input type (voltage and
current input)
*1
DC current input type (with
transmitter power supply)
*2
Temperature input type
*3
2 outputs
100-240 V AC/DC
*4
15-30 V DC
*5
1 to 5 V DC
4 to 20 mA DC
Thermocouple, RTD, or mV
signal; voltage or current
*6
Alarm output (2 relay contact
points)
Always 0
Always 0
No socket (with socket if not
specified)
HumiSeal coating
*7
Fuse bypass
*7
No RJC sensor (with RJC
sensor if not specified)
*8
*9
*9
Fahrenheit display function