Yokogawa JUXTA VJRK - Manual

User’s
Manual Model VJRK
Limit Alarm (RTD Input Type)
IM 77J01R21-01E
IM 77J01R21-01E
1st Edition : Aug. 2006 (YK)
4. MODEL AND SUFFIX CODES
VJRK-0 2 - 0/ T 0
Model
Number of outputs
2: 2 outputs
Power supply
6: 100-240 V AC/DC (Operating range: 85 to 264 V)
7: 15-30 V DC (Operating range: 12 to 36 V)
Input signal
1: Pt100 (ITS-90)
2: JPt100 (JIS'89)
3: Pt50 (JIS'81)
4: Pt100 (IPTS-68)
Output signal
T: Alarm output (2 points of relay contacts)
Optional specification
Blank: With socket
/SN: Without socket
5. MOUNTING METHODS
5.1 Wall Mounting
Loosen the main unit-fixing screw to disconnect the main
unit from the socket. Next, anchor the socket onto the wall
with screws. Then, plug the main unit into the socket and se-
cure the main unit with the main unit-fixing screw.
Main
unit-fixing
screw
Socket
Main unit
Hole for main
unit-fixing screw
Mounting
screws
Unit: mm
29.5 or more
22 ± 0.2
59
± 0.3
2-M4 or 2-ø4.5 or more
Fig.5.1
1. CAUTIONARY NOTES FOR SAFE
USE OF THE PRODUCT
This user’s manual should be carefully read before installing
and operating the product. The following symbol is used on
the product and in this manual to eusure safe use.
This symbol is displayed on the product when it is
necessary to refer to the user’s manual for infor-
mation on personnel and instrument safety. This
symbol is displayed in the user’s manual to indi-
cate precautions for avoiding danger to the opera-
tor, such as an electric shock.
The following symbols are used only in this manual.
IMPORTANT
Indicates that operating the hardware or software
in a particular manner may cause damage or result
in a system failure.
NOTE
Draws attention to essential information for under-
standing the operations and/or functions of the
product.
2. CHECKING THE PRODUCT SPECIFICATIONS
AND THE CONTENTS OF THE PACKAGE
(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:
● VJRK: 1
● User’s manual (this manual: IM 77J01R21-01E): 1
Accessories:
● Tag number label: 1 sheet
● Range label: 1 sheet
3. GENERAL
This plug-in type Limit Alarm for RTD input receives RTD sig-
nal.
• Each parameter setting can be changed using a PC
(VJ77 PC-based Parameters Setting Tool) or the Handy
Terminal (JHT200 ).
Keep this manual in a safe place.
Network Solutions Business Divisiion
2-9-32, Naka-cho Musashino-shi, Tokyo 180-8750 Japan
Phone: +81-422-52-7179
Facsimile: +81-422-52-6619