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Binary IO module (BIO)
BIO structures
5.6.1
BIO modules are combined with an ordering number. The combined modules are mounted
correspondently in IED case. If 1/3 size case is selected, the BIO modules are used for IO#1-1
and IO#1-2. When 1/2 size case is selected, the BIOs are used for IO#1-1, IO#1-2, IO#2, and
IO#3. Table 5.6-1 shows the number of binary input and output circuits, the structures of which
will be described in Figure 5.6-1 to Figure 5.6-3.
Table 5.6-1 Binary circuits at each BIO module
Number of binary inputs
BIO
Independent
modules
-negative
terminal type
MV-BI1
2
MV-BI3
3
MV-BI4
2
MV-BO1
–
MV-BIO1
–
MV-BIO2
–
–: Not applicable
Number of binary outputs
Common
-negative
Normal type
terminal type
13
–
8 (6+2)
–
8 (6+2)
2
–
8
8
8
6 (3+3)
8
- 650 -
6F2T0207 (0.01)
DC / DC
converter
For fail
equipped
alarm
1
–
1
–
1
–
–
✓
–
–
–
–
Note
Used for IO#1-1
Used for IO#1-2
Used for
IO#2 or IO#3
Used for
IO#2 or IO#3
GRE200 (5,6)
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