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
Phone: +81-422-52-7179 Facsimile: +81-422-52-6793
http://www.yokogawa.com/ns/juxta/im/
You can download the latest manuals from the following website:
IM 77J01P08-01E
6th Edition July 2023 (YK)
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 VJP8 Pulse Rate Converter (User’s Manual) IM 77J01P08-01E
(This manual)
Model VJP8 Pulse Rate Converter (General Specifications)
GS 77J01P08-01E
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 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:
•
VJP8: 1 unit
Standard Accessories:
•
Tag number label: 1 sheet
•
Range label: 1 sheet
•
Socket (T9093FL): 1 piece
(when /SN option is not specified.)
•
Shunt resistor(E9786WL):1 piece
(When optional code /R is specified)
• User's Manual (
IM 77J01P08-01E,
this manual): 1 copy
•
User’s manual (IM 77J01A00-91Z1): 1 copy
GENERAL
• This compact plug-in type pulse rate converter receives pulse
signals from the field and converts them into various isolated
pulse outputs at a set pulse rate. It can also operate as a
pulse repeater (input frequency = output frequency) by setting
the pulse rate and pulse width type.
MODEL AND SUFFIX CODES
Model
Suffix codes
Description
VJP8
-0
x x -x x x
0
/x
Pulse Rate Converter
(Multi-function)
-0
Always -0
Output
1
1 output
2
2 outputs
Power supply
6
100-240 V AC/DC
(*1)
7
15-30 V DC
(*2)
Transmitter power
supply
-1
12 V DC ±10%
-2
24 V DC ±10%
Output-1 signal
1
Open collector (30 V DC/200 mA)
3
Contactless AC switch
(*3)
5
Voltage pulse (5 V ±10%)
6
Voltage pulse (12 V ±10%)
7
Voltage pulse (24 V ±10%)
Output-2 signal
1
Open collector (30 V DC/200 mA)
3
Contactless AC switch
(*3)
5
Voltage pulse (5 V ±10%)
6
Voltage pulse (12 V ±10%)
7
Voltage pulse (24 V ±10%)
P
Communication function (RS-485)
N
No output-2
0
Always 0
Options
/SN
No socket (with socket if not
specified)
/R
With 200 Ω shunt resistor
(Specify when current pulse input.)
/C0
Coating
(*3)
/FB
Fuse bypass
(*3)
*1
Operating range: 85 to 264 V AC/DC
*2
Operating range: 12 to 36 V DC
*3
When specifying contactless AC switch and suffix codes /C0 or /FB,
CE marking is not applicable because the product does not conform to
safety and EMC standards.
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.
Model VJP8
Pulse Rate Converter
(Multi-function)
(Isolated Single-output and Isolated Dual-
output Types)
