YOKOGAWA SSC60D User Manual

7.7 Parts Requiring Periodical Replacement
Read the following important points thoroughly and carry out the periodical replacement.
The parts having defined life spans, which can be replaced by the user are available as spare
parts and consumables. Purchase and replace as necessary
.
IMPORTANT
Precautions for parts having defined life spans
•
The term “Parts having defined life spans” refers to parts that are expected to wear out or
break down within 10 years from initial use under normal conditions of usage and stor-
age. Therefore, parts with expected life spans of 10 years from more are excluded here.
• The recommended replacement cycle is the cycle estimated for preventive maintenance.
It provides no guarantee against the accidental failures.
• The recommended replacement cycle is merely a reference, and varies depending on the
usage conditions.
• The recommended replacement cycle is subject to change according to actual field re-
sults.
n
Periodic Replacement Parts Having Defined Life Spans
A safety control unit and safety node unit include parts having defined life spans, which re-
quire periodical replacement. The following table shows the recommended part replacement
cycles for preventive maintenance.
Table 7.7-1 Periodic Replacement Parts Having Defined Life Spans
Part name
Part num-
ber
Recommended
replacement
cycle
Replace-
ment by
user
Remarks
Power supply module
(100-120 V AC)
SPW481 8 years Yes
At the ambient temperature of 40 deg.
C or lower on average
Power supply module
(220-240 V AC)
SPW482 8 years Yes
At the ambient temperature of 40 deg.
C or lower on average
Power supply module
(24 V DC)
SPW484 8 years Yes
At the ambient temperature of 40 deg.
C or lower on average
Battery pack S9185FA
3 years(*1) Yes
At the ambient temperature of 30 deg.
C or lower on average
1.5 years (*1) Yes
At the ambient temperature of 40 deg.
C or lower on average
9 months (*1) Yes
At the ambient temperature of 50 deg.
C or lower on average
Aluminum electrolytic
capacitor
- 8 years No(*2)
For SPW481,SPW482,SPW484
At the ambient temperature of 40 deg.
C or lower on average
Fuse built in power
supply unit
S9109VK 8 years No(*2) SPW481
S9109VK 8 years No(*2) SPW482
A1546EF 8 years No(*2) SPW484
Fan unit AIP602 4 years Yes
At the ambient temperature of 60 deg.
C or lower on average
Continues on the next page
<7.7 Parts Requiring Periodical Replacement > 7-32
IM 32Q06C10-31E 4th Edition : Jan.30,2015-00

YOKOGAWA SSC60D Specifications

General

Brand	YOKOGAWA
Model	SSC60D
Category	Control Systems
Language	English