Interface Submodules
13-21
S7-400, M7-400 Programmable Controllers Module Specifications
A5E00069467-07
Table 13-20
Meaning of the Addressing Type Bits in the Configuration Register
(IF 962-LPT)
I/O Address
Addressing Type
I/O Address
Bit 1
Bit 0
Addressing only possible in the reserved I/O address area
(fromC000
H
)
(default)
0
0
378
H
0
1
278
H
1
0
3BC
H
1
1
Note
The AT-compatible I/O address can only be set once for each LPT port of a
programmable module.
The LPT port in the M7-400 expansion module MSM 478 is always at the I/O
address 03BC
H
. For this reason, the I/O address 03BC
H
must not be set for the IP
962-LPT interface submodule if an MSM 478 is in use.
Parallel Port
The parallel port of the interface submodule’s UART 16C552 can be addressed
from offset address 10
H
in accordance with component specification 16C552.
Interrupt Request
The interface submodule supplies an interrupt request (IRQa).
You can define the assignment of the IRQa interrupt request to the relevant
processor interrupt request in the BIOS setup.
Submodule ID
The IF 962-LPT interface submodule has the submodule ID 44
H
.
Содержание Simatic M7-400
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Страница 574: ...Parameter Sets for Signal Modules A 12 S7 400 M7 400 Programmable Controllers Module Specifications A5E00069467 07 ...
Страница 594: ...Diagnostic Data of the Signal Modules B 20 S7 400 M7 400 Programmable Controllers Module Specifications A5E00069467 07 ...
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