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PDF PH402G Data sheet ( Hoja de datos )
| Número de pieza | PH402G | |
| Descripción | pH Converter Manual | |
| Fabricantes | YOKOGAWA | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de PH402G (archivo pdf) en la parte inferior de esta página. Total 70 Páginas | ||
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Instruction
Manual
Model PH402G
pH Converter
YOKOGAWA
IM 12B6B3-E-E
8th Edition
Free Datasheet http://www.datasheet.in/
1 page  
Introduction 1-1
1. INTRODUCTION AND GENERAL DESCRIPTION
The Yokogawa EXA 402 is a 4-wire transmitter designed for industrial process monitoring, measurement
and control applications. This instruction manual contains the information needed to install, set up, operate
and maintain the unit correctly. This manual also includes a basic troubleshooting guide to answer typical
user questions.
Yokogawa can not be responsible for the performance of the EXA analyzer if these instructions are not
followed.
1-1. Instrument Check
Upon delivery, unpack the instrument carefully and inspect it to ensure that it was not damaged during
shipment. If damage is found, retain the original packing materials (including the outer box) and then
immediately notify the carrier and the relevant Yokogawa sales office.
Make sure the model number on the nameplate affixed to the top of the display board of the instrument
agrees with your order.
NOTE:
The nameplate will also contain the serial number and power supply selection.
Be sure to apply correct power to the unit.
MODEL
SERIAL NO.
SUPPLY
PH402G-E-1-E
FD 020 034
110-120 VAC, 50/60 Hz, 10 VA
N200
Figure 1-1. Nameplate
Check that all the parts are present, including mounting hardware, as specified in the option codes at the
end of the model number. For a description of the model codes, refer to Chapter 2 of this manual under
General Specifications.
Basic Parts List: Converter EXA 402
Instruction Manual (See model code for language)
Packet with special cable grommet and blanking pieces
Packet with 4 screws for mounting on a panel (M6x8mm)
Optional mounting hardware when specified (See model code)
IM 12B6B3-E-E
Free Datasheet http://www.datasheet.in/
5 Page 
Installation and wiring 3-3
3-2. Preparation
Refer to figure 3-4. The relay contact terminals and power supply connections are under the screening
(shielding) plate. These should be connected first. Connect the sensor, outputs and data communication
connections last.
To open the EXA 402 for wiring:
1. Loosen the four frontplate screws and remove the cover.
2. Use the rubber knob in the lower righthand corner and swing open the display board to the left.
3. The upper terminal strip is now visible.
4. Remove the screen (shield) plate covering the lower terminal strip.
5. Connect the power supply and contact outputs. Use the three glands at the back for these cables.
6. Replace the screen (shield) plate over the lower terminals.
WARNING Always replace the screen plate over the power and contact outputs for safety and avoid
interference.
7. Connect the analog output(s), the sensor input, and, if necessary, the RS485 serial bus.
8. Use the front three glands for analog output, sensor input, contact input and communication1c2aDbli7ngC3-04
9.
(see figure 3-5).
Close the display
default settings.
board
and
switch
on
the
power.
Commission
the
instrument
as
reUquSireGEd LDorAuFNseODthRSe
TO BE
CABLING
10.Replace the cover and secure frontplate with the four screws.
High voltage section
Contact
(S3,S4,FAIL)
output
cables
Sensor
cables
Contact
(S1,S2)
output
cables
Analog
output
cables
Power
cable
Communi-
cation,
contact
input
Suitable for cables with an outside diameter between 7 - 12 mm (9/32 - 15/32 in.)
Figure 3-5. Glands to be used for cabling
IM 12B6B3-E-E
Free Datasheet http://www.datasheet.in/
11 Page | ||
| Páginas | Total 70 Páginas | |
| PDF Descargar | [ Datasheet PH402G.PDF ] | |
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