Backup Battery For Clock - Panasonic KW9M User Manual

Recommended Cable
Use the transmission cables shown below for Eco-POWER METER RS485 communication system.
Conductor
Cable
Size
2
1.25 mm
(AWG16)
or more
Twisted-
pair
with shield 2
0.5 mm
(AWG20)
or more
2
0.75 mm
VCTF (AWG18)
or more
Cable
Shield
Twisted-pair
with shield
Conductor
VCTF
Conductor

3.7 Backup Battery for Clock

It is possible to backup the clock with backup battery for 1-month. In order to charge full, it is necessary
to turn on the power for 2 days. If it turns off within 2 days from first installation, it may not backup the
clock for 1-month.
Phone: 800.894.0412 - Fax: 888.723.4773 - Web: www.clrwtr.com - Email: info@clrwtr.com
Resistance
Material
(at 20℃）
Polyethylene
Max.16.8Ω/km
Max.33.4Ω/km Polyethylene
Max.25.1Ω/km PVC
Section
Jacket
Insulator
Jacket
Insulator
Insulator
Cable
diameter
Thickness
Max. Approx.
0.5 mm 8.5 mm
Max. Approx.
0.5 mm 7.8 mm
Max. Approx.
0.6 mm 6.6 mm
Notes
1) Use shielded type twist cables.
2) Use only one type of the transmission cables.
2) Do not mix different types of the cables.
3) Use twist pair cables under a bad noise environment.
16
Applicable cable
HITACHI
KPEV-S
2
1.25 mm
×1P
Belden Inc. 9860
HITACHI
KPEV-S
2
0.5 mm
×1P
Belden Inc. 9207
VCTF
2
0.75 mm
×2C
(JIS)