NAiS FP Series Hardware Manual page 101

FP0 I/O Link Unit (MEWNET–F)
,
Example 3:
Remote I/O system in which the FP0 Control Unit has 3 FP0 I/O
Link Units.
I/O Number
at FP0
Control
Unit
I/O Number
at Remote
Master
Unit
Here the Remote I/O Master Unit recognizes I/O numbers such
that 2 words of input are allocated first. A total of 4 words are
allocated per station.
Each FP0 Control Unit can be expanded by three FP0 I/O Link
Units. All exchanges between the Master Unit and FP0 I/O Link
Unit are carried out via allocated Inputs and Outputs.
5-14
FP3/FP10SH
FP0
I/O Link
I/O Link
Control
Unit
Unit
Unit
1st expansion
2nd expansion
Station No. 1
Station No. 2
WY2,3
WX2,3
WY64,65 WY68,69
WX66,67 WX70,71
The base word number that the Master Unit at the left can
control is 64.
Communication cable
I/O Link
Unit
3rd expansion
Station No. 3
WY6,7
WY4,5
WX6,7
WX4,5
WY72,73
WX74,75
Matsushita Electric Works (Europe) AG
FP0 Hardware
To other slave
stations
FP0
I/O Link
Control
Unit
Unit
1st expansion
Station No. 4
WY2,3
WX2,3
WY76,77
WX78,79