FX
3U
Series Programmable Controllers
User’s Manual - Hardware Edition
275
14 Test Operation, Adjustment, Maintenance and Troubleshooting
14.4 Maintenance and Periodic Inspection
11
Hi
gh
-Speed
Counters
12
O
utput W
iri
ng
13
W
iri
ng for
V
ari
ous
Us
es
14
Te
st R
un,
Mai
nten
ance,
T
roubl
es
hooti
ng
15
IInput/Output
Pow
ered
Exte
nsi
on U
nit
s
16
Input/O
utput
Extens
ion
Bl
ock
s
17
Extension
Power Suppl
y
Un
it
18
Other Extens
ion
Uni
ts an
d
Opti
ons
19
D
isplay M
od
ule
20
Te
rminal
Bl
oc
k
3. Capacitive load
Capacitive loads can generate rush current 20 to 40 times the stationary current. Make sure that the rush
current does not exceed the current corresponding to the maximum specified resistance load. Capacitive
loads such as capacitors may be present in electronic circuit loads including inverters.
*About the maximum load specifications of the resistance load, refer to the specification for each model.
→
For specifications on the main unit, refer to Subsection 12.2.1.
→
For specifications on the input/output powered extension units, refer to Chapter 15.
→
For specifications on the input/output extension blocks, refer to Chapter 16.
→
For specifications on the terminal block, refer to Subsection 20.7.1.
14.4.4 Procedures for replacing battery
When the battery voltage drops while the PLC power is on, the "BATT" LED on the panel is lit in red, and
M8005 and M8006 (latch) are turned on.
The memory can be retained for about one month after the lamps turn on. However, the operators may not
immediately find the lamps to be on. Prepare a new battery promptly, and replace the battery with the new
one.
→
For details on the specifications and functions of the battery, refer to Chapter 22 "FX3U-32BL
(Battery)"
Содержание FX2-16E series
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