YOKOGAWA Centum-XL User Manual

4. Procedure and Details of Upgrade
4-4
TI 33K01B10-50E
Contents of Report
We propose remedial treatments required for long-term, stable operation of the existing
equipment.
Table Check Points and Remedial Treatments
Check Points Remedial Treatments Description
•Examinehistoryrecordsfor
occurrence of problems derived
from stress
•Checktemperature,humidity,
dust, and corrosive gas
•Diagnoseusualenvironmental
conditions
•Checkageofserviceofthe
partswithdenedlifespan
Overhaul Disassemble a product to clean card and unit. Then
check the functions to see if they are normal.
Wash and/or coat cards Disassemble a product to wash card by pure water.
Then coat it with resin to prevent corrosion.
Environmental
improvement
Improve operation atmosphere by using environmental
improvement unit.
Replacement of
deteriorated parts
Replacepartswithdenedlifespan(*1)listedinthe
product instruction manual (IM) or the parts which
deteriorate for a long time more than ten years (*2).
Partial replacement When there are too much trouble and/or deterioration, or
whenitisdifculttoreplaceparts,replaceaproductsuch
as unit, card, cable, etc.
*1: Partswithdenedlifespanarefan,capacitor,fuse,lterandrelay.
*2: The existing equipment items to be used continuously and their relevant parts are listed in the table below.
Table Existing Equipments and Their Parts
Upgrade Existing Equipment
PartsExcludingPartswithDened
Life Span
Remedial Treatment
Upgrade CPU
only
I/O card
Fuse, adjustable resister, connector,
printed circuit
Card cleaning and coating
I/O power supply Adjustable resister
Deteriorated part replacement
(overhaul)
I/O nest
Aluminum electrolytic capacitor,
connector, printed circuit
Cleaning, coating, unit
replacement
Upgrade
CPU only or
Upgrade both
CPU and I/O
Unit power supply for XL Adjustable resister
Deteriorated part replacement
(overhaul)
Bus assembly Connector, printed circuit Unit replacement
Power distribution board
Aluminum electrolytic capacitor,
circuit breaker
Deteriorated part replacement
Alarm unit for XL
Fuse, aluminum electrolytic capacitor,
switch, photocoupler
Deteriorated part replacement
SC card
Fuse, adjustable resister, aluminum
electrolytic capacitor, photocoupler
Deteriorated part replacement
(overhaul), card replacement
SC nest Connector, printed circuit Unit replacement
Terminal board, terminal
block, relay board
Aluminum electrolytic capacitor,
connector, printed circuit
Deteriorated part replacement, unit
replacement
KS cable Connector Cable replacement
Power supply cable Connector Cable replacement
4.3 Remedial Treatment
We decide whether proposed treatment based on the result of pre-assessment is necessary or
not after consultation with our customer, and provide necessary treatment.
Please note that separate quotation is required to provide treatment.
Mar. 27, 2015-00

YOKOGAWA Centum-XL Specifications

General

Brand	YOKOGAWA
Model	Centum-XL
Category	Industrial Equipment
Language	English