Mitsubishi FX3UC Series User Manual

381
FX3UC Series Programmable Controllers
User’s Manual - Hardware Edition
11 Memory Cassette/Battery
11.5 FX3U-32BL (Battery)
11
Memory Cassette/Battery
12
Test Run, Maintenance, Troubleshooting
A
Version Information
B
Performance Specifications
C
Special Devices (M8000 -,D8000 -)
D
Instruction List
E
Character-code
F
Discontinued models
11.5.4 Battery life & replacement guidelines
FX3U-32BL battery life: Approx. 5 years (ambient temperature:
25°C(77°F))
[Guarantee period: 1 year after delivery or 18 months after production]
The life of the battery changes with respect to ambient temperature.
When planning for battery replacement, please estimate the battery life
according to the graph to the right and order the replacement batteries in
advance.
11.5.5 Battery-Free Operation
FX3UC series operation is possible without a battery (PLC’s internal battery removed) when the following
conditions are satisfied.
→ Refer to the FX
3U/FX3UC Programming Manuals for details concerning battery-free operation.
1. A memory cassette must be installed.
2. The following devices must not be used as "keep" devices.
Auxiliary relays, state (for annunciator included), timers (cumulative type), counters, data register "keep"
device, extended registers.
3. The sampling trace function must be disabled.
4. The clock function must be disabled.
11.5.6 Differences between main unit’s internal battery and the optional battery
Although the optional battery (FX3U-32BL) serves as the same as the main unit’s internal battery, they differ in
the ways described below.
They may also have different external colors due to dates of manufacture.
Main Unit Internal Battery Optional Battery (Spare)
External
appearance
A nameplate label indicating the product model
and lot No. is affixed.
Warranty
period
1 year from delivery or 18 months from date of
manufacture, with reference to the main unit’s
manufacture No.
1 year from delivery or 18 months from the date
of manufacture, with reference to the lot No.
7
0
10
40
20
30
50
0
1
6
5
4
3
2
Bttery Life(years)
Ambient temperature(°C)
Battery life vs. temperature
Connector
0
4
1
0
0
1
0
4
1
0
0
1
Connector
FX 3U -32BL
LOT.44
Nameplate
............

Mitsubishi FX3UC Series Specifications

General

Brand	Mitsubishi
Model	FX3UC Series
Category	Controller
Language	English