Toshiba GR200 Series Instruction Manual page 324

Scheme logic
2.20.8
The scheme logics of the FS are shown in Figure 2.20-3 and Figure 2.20-4. Each element has
a scheme switch to enable its operation. In order not to operate the FS, Off has to be for the
scheme switch [FS-EN], so the FS function will not influence tripping.
8C00011C20
A
8D00011C21
OCFS
B
8E00011C22
C
OCFS-EN
On
8800021C20
A
8900021C21
B
OCDFS
8A00021C22
C
OCDFS-EN
On
8000051C20
A
8100051C21
B
UVFS
8200051C22
C
UVFS-EN On
8400061C20
A
8500061C21
B
UVSFS
8600061C22
C
UVSFS-EN On
8800071C20
A
8900071C21
DUVFS
B
8A00071C22
C
DUVFS-EN
On
8000011B60
≥1
TOCDFS
8100021B60
0 t
≥1
0 t
0 t
0.00-300.00s
8800051B60
≥1
8900061B60
≥1
TDUVFS
8A00071B60
0 t
≥1
0 t
0 t
0.00-300.00s
Figure 2.20-3 Soft fail scheme logic (1)
- 303 -
&
&
&
&
&
6F2S1915 (0.46)
OCFS_OP
OCDFS_OP
UVFS_OP
UVSFS_OP
DUVFS_OP
GRZ200 (Soft 031 & 032)