Function description
Operating Manual PSS u2 ES 4IOL
1004880-EN-01
11
Header in the process image of inputs
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The header in the PII contains:
– Status of the process image
– Process data from the "CQ" terminal, which is configured as a digital input in DI
mode.
Port 1
Port 0
Port 2
Port 3
Header
Not used
Byte 2
CQ input
Port 0
Port 1
Port 2
Port 3
Bit 0
Bit 1
Bit 2
Bit 3
Bit 7
. . .
Byte 1
Port 0
Port 1
Port 2
Port 3
Bit 0
Bit 1
Bit 2
Bit 3
Bit 7
. . .
Byte 0
Diagnostics
Port 0
Port 1
Port 2
Port 3
Bit 0
Bit 1
Bit 2
Bit 3
Bit 7
. . .
Fig.: Header in the process image of inputs
Legend
Diagnostics
"0": The port's process data is invalid.
"1": There is an IO-Link connection to the device.
CQ input
"0": There is a "0" signal at the configurable CQ input (terminal 2,6,10,14).
"1": There is a "1" signal at the configurable CQ input (terminal 2,6,10,14).
