Specifications

Graphic Operation Terminal GOT-F900 Appendix 22
22-26
b) S7-300 Series
"
"
" indicates a number in the range from 1 to 1023.
Only even values are available as device numbers (DBW values).
Note on number representation
A decimal point exists when using the GT Designer but not when using the DU/WIN.
Device name
Setting range
Device
number
representation
GT Designer DU/WIN
Bit
device
Input rela
y
(
I
)
I0~I5117 I0.0~I511.7
Decimal
Output rela
y
(
Q
)
Q0~Q5117 Q0.0~Q511.7
Bit memor
y
(
M
)
M0~M20477 M0.0~M2047.7
GOT internal bit re
g
ister
(
GB
)
GB132~GB1023 GB132~GB1023
Word
device
Present value of timer
(
T
)
T0~T511 T0~T511
Present value of counter
(
C
)
C0~C511 C0~C511
Data re
g
ister
(
D
)
D000100000~D102365534
DB
"
.DBW0~DB
"
.DBW65534
GOT internal data re
g
ister
(
GD
)
GD100~GD1023 GD100~GD1023
Device name
I,Q,M
Bit device
B
y
te address
0 to 511,2047
Word device
.
Bit address
0 to 7
Device name
T,C
Device number
000 to 511
Device name
DB
Block number
1 to 1023
.
B
y
te address
DBW0 to DBW65534