Transmission Cable Specifications; Recommended Cables - Panasonic MEWNET-F Technical Manual

3.4 Transmission Cable Specifications

3.4.1 Recommended Cables

The cables in the table below are recommended for FP remote I/O system [MEWNET-F].The
guaranteed transmission distance vary according to the used cables.
Cable Cross-
sectional view
Shielded
twisted
pair
VCTF
Note1) When any of the product numbers AFP87441, AFP87442, AFP3741, AFP5741 and various
companies' valve controllers is contained in the network, the maximum transmission distance is
the values in parentheses.For the information on various companies' valve controllers, please
contact each company.
Note2) Polyvinyl chloride has worse electrical charactersitics than polyethylene, its transmission distance
is shorter.
Note3) Use only one type of transmission cable.Do not mix more than 1 type.
Note4) Twisted pair cables are recommended in noisy environments.
3-8
Conductor
Resistan
Size ce
(at 20℃)
2
1.25 mm
Max.
(AWG16)
16.8 Ω/km
or more
2
0.5 mm
Max.
(AWG20)
33.4 Ω/km
or more
2
0.75 mm
Max.
(AWG18)
25.1 Ω/km
or more
Insulator
Cabl
Thic
e
Material
knes
Note2)
diam.
s
Max. Appro
Polyethyl
0.5 x. 8.5
ene
mm mm
Max. Appro
Polyethyl
0.5 x. 7.8
ene
mm mm
Max. Appro
Polyvinyl
0.6 x. 6.6
chloride
mm mm
Trans
missio
Sample
n
appropria
distan
te cable
ce
Note1)
Hitachi
Cable, Ltd.
700 m KPEV-S1P x
(300 m) 1.25SQ
Belden
9860
Hitachi
Cable, Ltd.
600 m KPEV-S1P
(300 m) x 0.5SQ
Belden
9207
VCTF0.75
400 m
mm2 x 2C
(200 m)
(JIS)