Panasonic KW2G User Manual page 30

Recommended Cable
Use the transmission cables shown below for Eco-POWER METER RS485 communication system.
Cable
Size
1.25 mm
(AWG16)
or more
Twisted-
pair
with shield
0.5 mm
(AWG20)
or more
0.75 mm
VCTF (AWG18)
or more
Cable
Twisted-pair
with shield
Conductor
VCTF
Conductor
Conductor
Resistance
(at 20℃）
2
Max.16.8Ω/km Polyethylene
2
Max.33.4Ω/km Polyethylene
2
Max.25.1Ω/km PVC
Section
Shield
Jacket
Jacket
Insulator
Material Thickness
Max.
0.5 mm
Max.
0.5 mm
Max.
0.6 mm
Notes
1) Use shielded type twist cables.
2) Use only one type of the transmission cables.
Do not mix different types of the cables.
Insulator
3) Use twist pair cables under a bad noise
environment.
Insulator
21
KW2G / KW2G-H Eco-POWER METER
Cable
Applicable cable
diameter
HITACHI
KPEV-S
Approx.
2
8.5 mm 1.25 mm
Belden Inc. 9860
HITACHI
KPEV-S
Approx.
2
×1P
7.8 mm
0.5 mm
Belden Inc. 9207
VCTF
Approx.
2
0.75 mm
6.6 mm
(JIS)
×1P
×2C