FP0 HardwareFP0 I/O Link Unit (MEWNET–F)
5-6
Matsushita Electric Works (Europe) AG
5.3.3 Master and Slave Stations
Master and Slave Stations
Number of master units per CPU Max. 4 units.
Number of slave stations per Master unit Max. 32 units.
Number of I/O points FP2, FP3, FP–C Max. 2,048 points
per CPU
FP2SH, FP10SH Max. 8,192 points
Number of I/O points
per Master unit
CPU unit Ver.:
Lower Ver. than below
Master unit Ver.
Ver. 1.4 or lower
Max. 1,024 points
CPU unit Ver.:
FP3 Ver. 4.6 or higher
FP–C Ver. 4.6 or higher
Master unit Ver.
Ver. 1.5 or higher
Max. 2,048 points
CPU unit Ver.:
FP2, FP2SH, FP10SH Ver.
1.0 or higher
Master unit Ver.
Ver. 1.5 or higher
Max. 4,096 points
Number of I/O points per one I/O Link unit 64 points
(Input 32 points +
Output 32 points)
(see note)
Note
If the I/O Link error flag is on (valid), there are 63 I/O points (Input
31 points + Output 32 points).
5.3.4 Recommended Cables
Recommended Cables for FP Remote I/O System [MEWNET–F]
Cable Conductor Insulator Diameter of Communication
Size Resistance
(at 20_C)
Material Thickness
cable distance (Total ex-
tension)
Twisted pair
cable
with shield
Min.1.25mm
2
(AWG16 or larger)
Max. 16.8
Ω /km
Polyethylene Max. 0.5mm Approx.
8.5mm
700m
(300m,
see note 5)
Min.0.5mm
2
(AWG20 or larger)
Max. 33.4
Ω/km
Polyethylene Max. 0.5mm Approx.
7.8mm
600m
(300m,
see note 5)
Vinyl Cab-
tyre Cable
(VCTF)
Min.0.75mm
2
(AWG18 or larger)
Max. 25.1
Ω /km
Polyvinyl
Chloride
Max. 0.6mm Approx.
6.6mm
400m
(200m,
see note 5)