Yokogawa JUXTA VJX7 User Manual download pdf

Instruction

Manual

Model VJX7

Universal Computing Unit

IM 77J01X07-01E

1st Edition Jan. 2000

2nd Edition June 2004

1. CAUTIONARY NOTES FOR SAFE

USE OF THE PRODUCT

For the correct use of this product, read through this manual before

use. The following safety symbol is indicated on the product to en-

sure safe use.

CAUTION

If this symbol is indicated on the product, the operator

should refer to the explanation given in the instruction

manual in order to avoid personnel injury or death to either

themselves or other personnel, and/or damage to the instru-

ment. The manual describes the special care the operator

should exercise to avoid shock or other dangers that may re-

sult in injury or loss of life.

The following symbol marks are used only in this manual.

IMPORTANT

Indicates that operating the hardware or software in a par-

ticular manner may damage it or result in a system failure.

NOTE

Draws attention to information that is essential for under-

standing the operations and/or features of the product.

2. CHECKING PRODUCT SPECIFI-

CATIONS 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:

● VJX7 main unit, 1

● Instruction Manual (IM 77J01X07-01E), 1

Accessories:

● Tag number label, 1

● Renge label, 1

● Shunt registor (for specification of current input), 1

3. GENERAL

This Universal Computing Unit, which belongs to the JUXTA series

of signal conditioners, receives DC current or voltage signals and

converts them to pairs of isolated DC voltage or current signals.

• Output-2 signal is selectable from a DC voltage signal, DC

current signal, communication function (RS-485), and alarm

output (two relay contacts).

4. MOUNTING METHODS

4.1 Wall Mounting

Loosen the main unit-fixing screw of the computing unit to dis-

connect the main unit from the socket. Next, anchor the socket

onto the wall with screws. Then, plug the main unit into the socket

and secure the main unit with the main unit-fixing screw.

Main

unit-fixing

screw

Socket

Main unit

Threaded hole for

fixing the main unit

Mounting

screws

Fig. 4.1

4.1.1 Mounting Dimensions

t: mm

29.5 or more

22±0.2

59±0.3

2-M4 or 2-ø4.5 or more

Fig. 4.2

4.2 DIN Rail Mounting

Locate the computing unit so that the DIN rail fits into the upper

part of the DIN-rail groove at the rear of the socket, and fasten the

socket using the slide lock at the lower part of the socket.

Slide lock

DIN rail

VIEW A (Rear of socket)

VIEW A

Fig. 4.3

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: +81-422-52-6793

1 2 3 4 5 6

Summary of Contents

Page 1 - Instruction

InstructionManualModel VJX7Universal Computing UnitIM 77J01X07-01EIM 77J01X07-01E1st Edition Jan. 20002nd Edition June 20041. CAUTIONARY NOTES FOR SAF

Page 2 - 6. EXTERNAL WIRING

Page 3 - 8. SETTING PARAMETERS

Page 4 - 9.1 VJX7-A (Free Program)

Page 5 - Y1=Y2= +50%

Page 6 - 11.1 Calibration Apparatus

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Yokogawa JUXTA VJX7 User Manual

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Summary of Contents

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