Toshiba NV Series Hardware Manual page 63

Chapter 2 System Migration Procedures
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6E8C5563
The expansion base unit for migration from S2T/S2E to unified controller type1 light has
the same configuration.
(4) Expansion unit
・BU668/BU666/BU664
S2T/S2E
BU668
IF PS SP I/O I/O I/O I/O I/O
(0) (1) (2) (3) (4) (5)
(0)～(8)：Slot No. S0～S8
IF: Expansion interface module
PS: Power module
I/O: I/O module（Up to 8）
SP: Space slot
BU666
IF PS I/O I/O I/O I/O I/O I/O
(0) (1) (2) (3) (4) (5)
(0)～(5)：Slot No. S0～S5
IF：Expansion interface module
PS：Power module
I/O：I/O module（Up to 6）
BU664
IF PS I/O I/O I/O I/O
(0) (1) (2) (3)
(0)～(3)：Slot No. S0～S3
IF: Expansion interface module
PS: Power module
I/O: I/O module（Up to 4）
Table 2.21 S2T/S2E expansion base unit conversion
Before conversion
PU BU
S0 S1 S2 S3 S4 S5 S6 S7 S8
BU268 × ○ ○ ○
S2T/
BU266 ○ ○ ○ ○
S2E
BU664 ○ ○ ○ ○
○: G2 I/O module
×: Not mountable (set space slot cover (EX10*ABP1)/space module (SP600))
-: Not provided
I/O I/O I/O
(6) (7) (8)
Slot
PU BU
○ ○ ○ ○ ○ BU668
○ ○ - - - PUM11 BU666
- - - - - BU664
type1 light
BU668
IF PS SP I/O I/O I/O I/O I/O
(0) (1) (2) (3) (4) (5)
(0)～(8)：Slot No. S0～S8
IF: Expansion interface module
PS: Power module
I/O: I/O module（Up to 8）
SP: Space slot
BU666
IF PS I/O I/O I/O I/O I/O I/O
(0) (1) (2) (3) (4) (5)
(0)～(5)：Slot No. S0～S5
IF: Expansion interface module
PS: Power module
I/O: I/O module（Up to 6）
BU664
IF PS I/O I/O I/O I/O
(0) (1) (2) (3)
(0)～(3)：Slot No. S0～S3
IF: Expansion interface module
PS: Power module
I/O: I/O module（Up to 4）
After conversion
Slot
S0 S1 S2 S3 S4 S5 S6 S7 S8
× ○ ○ ○ ○ ○ ○ ○
○ ○ ○ ○ ○ ○ - -
○ ○ ○ ○ - - - -
I/O I/O I/O
(6) (7) (8)
○
-
-