Model VJQ7
Analog to Pulse Converter
(Multi-function)
(Isolated Single-output and Isolated
Dual-output Types)
IM 77J01Q17-01E
6th Edition July 2023
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 VJQ7 Analog to Pulse Converter (User’s
Manual)
IM 77J01Q17-01E
(This manual)
Model VJQ7 Analog to Pulse Converter (General
Specifications)
GS 77J01Q17-01E
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 THE CONTENTS OF PACKING
(1) Model Number and Specification Check
Check that the model number and specifications shown on the
nameplate attached on the side of the product are as ordered.
(2) Contents of the Packing
Check that the packing contains the following items:
• VJQ7: 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(E9786WD):1 piece
(
only when current input is specified)
• User’s manual (IM 77J01Q17-01E, this manual): 1 copy
• User’s manual (IM 77J01A00-91Z1): 1 copy
GENERAL
This compact plug-in analog-to-pulse converter converts DC
current or DC voltage signals into various isolated pulse outputs.
MODEL AND SUFFIX CODES
Model
Suffix codes
Description
VJQ7
-0
x x -x x x
0
/x
Analog to Pulse 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)
Input signal
-A
0 to 50 mA DC, span is 5 mA
or more
-1
−10 to +10 V DC, span is 0.1 V
or more
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
(RS485)
T
Alarm output (2 relay contacts)
N
No output-2
0
Always 0
Option
/SN
No socket (with socket if not
specified)
/C0
Coating
(*3)
/FB
Fuse bypass
(*3)
*1 Operating range: 85 to 264 V AC/DC
*2 Operating range: 12 to 36V 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.
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: