Toshiba V Series User Manual page 44

Sequence controllers
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Chapter 1 System Configuration
1
22
(2) Maximum Configuration
S0 S1 S2 S3 S4 S5 S6 S7 S8
I
P
S
E
T
F
S
2
N
C
O
0
1
2
S0 S1 S2 S3 S4 S5 S6 S7 S8
I
P
S
I
I
F
P
S
/
/
O
O
O
0
1
2
S0 S1 S2 S3 S4 S5 S6 S7 S8
I
P
S
I
I
F
S
P
/
/
O
O
O
0
1
2
S0 S1 S2 S3 S4 S5 S6 S7 S8
I
P
S
I
I
F
S
P
/
/
O
O
O
0
1
2
S0 is not available for BU668 used as the expansion unit. Mount a space module (SP600) on
the slot.
Space slots should also be mounted on vacant slots in other configurations to avoid risks of
electrical shock.
Supplementary
(1) Expansion interface IF661 is required for each unit.
Each unit has two connectors for connecting expansion cables. The upper connector is for
input from the upper layer unit, and the lower connector for output to the lower layer unit.
(2) Up to 3 expansion units can be mounted.
(3) There is no restriction of unit size on assembly.
Number of I/O points (using 64-point I/O module)
Basic unit
I
I
I
I
I
I
/
/
/
/
/
/
O
O
O
O
O
3
4
5
6
7
Expansion unit
I
I
I
I
I
I
#1
/
/
/
/
/
/
O
O
O
O
O
3
4
5
6
7
Expansion unit
I
I
I
I
I
I
#2
/
/
/
/
/
/
O
O
O
O
O
3
4
5
6
7
Expansion unit
I
I
I
I
I
I
#3
/
/
/
/
/
/
O
O
O
O
O
3
4
5
6
7
Caution
model 2000 Sequence Controller S2 User's Manual -Basic Hardware-
512 points/BU648E
1,024 points/BU668
1,536 points/BU668
2,048 points/BU668

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