74 / 94
Siemens
TX-I/O PROFINET BIM V1.0
CM110564en_02
Building Technologies
Module Data
23.09.2010
7.2
TXM1.8D
8-channel digital input module
Binary input (static)
Binary input (pulsed)
Counter input
7.2.1
Process Data Channel Mapping
BI channel
Offset to input
address
Channel 1 Subslot 1
Byte 0 Bit 0
Channel 2 Subslot 1
Byte 0 Bit 1
Channel 3 Subslot 1
Byte 0 Bit 2
Channel 4 Subslot 1
Byte 0 Bit 3
Channel 5 Subslot 1
Byte 0 Bit 4
Channel 6 Subslot 1
Byte 0 Bit 5
Channel 7 Subslot 1
Byte 0 Bit 6
Channel 8 Subslot 1
Byte 0 Bit 7
CI channel
Offset to input address
Channel 1 Subslot 2
Byte 3 Byte 2 Byte 1 Byte 0
Channel 2 Subslot 3
Byte 3 Byte 2 Byte 1 Byte 0
Channel 3 Subslot 4
Byte 3 Byte 2 Byte 1 Byte 0
Channel 4 Subslot 5
Byte 3 Byte 2 Byte 1 Byte 0
Channel 5 Subslot 6
Byte 3 Byte 2 Byte 1 Byte 0
Channel 6 Subslot 7
Byte 3 Byte 2 Byte 1 Byte 0
Channel 7 Subslot 8
Byte 3 Byte 2 Byte 1 Byte 0
Channel 8 Subslot 9
Byte 3 Byte 2 Byte 1 Byte 0
7.2.2
Counter Value Default Channel Mapping
The table below shows the counter value set command value assignment of the CI-
configured channels.
The command is triggered by setting the relevant bit from 0 to 1. It sets the
[NewCIValue] parameter to the counter value.
CI channel
Offset to input
address
Channel 1 Subslot 2 Byte 0 Bit 0
Channel 2 Subslot 3
Byte 0 Bit 0
Channel 3 Subslot 4
Byte 0 Bit 0
Channel 4 Subslot 5 Byte 0 Bit 0
Channel 5 Subslot 6 Byte 0 Bit 0
Channel 6 Subslot 7
Byte 0 Bit 0
Channel 7 Subslot 8
Byte 0 Bit 0
Channel 8 Subslot 9
Byte 0 Bit 0
Designation
Supported functions
BI – channels
configured as binary
input
CI – channels
configured as counter
input
CI – channels
configured as counter
input