Technical specifications
9.5 Bit assignment in the process image
KP8, KP8F
Operating Instructions, 10/2010, A5E03284305-01
91
9.4.3
PROFINET
RJ45 plug connector, 8-pin
PIN
Assignment
1
RxP
Receive data +
2
RxN
Receive data –
3
TxP
Transmit data +
4
GND
n. c.
5
GND
n. c.
6
TxN
Transmit data –
7
GND
n. c.
8
GND
n. c.
9.5
Bit assignment in the process image
The signal states of HMI device digital inputs/outputs that are used in standard mode are
saved in their own process images independently from the signal states of the fail-safe
channels.
Input area of the controller
The keys and digital inputs of the HMI device are mapped to the bits in the input area of the
controller as follows:
Bit 7
Bit6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0 Description
Input byte
K 7
K 6
K 5
K 4
K 3
K 2
K 1
K 0 Keys 0 to 7
0
DI 7
DI 6
DI 5
DI 4
DI 3
DI 2
DI 1
DI 0 Digital inputs 0 to 7
1
K =
Key
DI =
Digital input
The numbering refers to the specifications in the chapter "Front-sided control elements and
displays (Page 53)".
