System integration Proline Promass I 300 PROFINET
80 Endress+Hauser
Digital input values are used by the measuring device to transmit the state of device
functions to the automation system.
Digital Input modules cyclically transmit discrete input values, including the status, from
the measuring device to the automation system. The discrete input value is depicted in the
first byte. The second byte contains standardized status information pertaining to the
input value.
Selection: device function
Slot Device function Status (meaning)
1 to 14
Empty pipe detection
• 0 (device function not active)
• 1 (device function active)
Low flow cut off
Data structure
Input data of Digital Input
Byte 1 Byte 2
Digital Input Status
1)
1) Status coding → 86
Diagnose Input module
Transmit discrete input values (diagnostic information) from the measuring device to the
automation system.
Diagnostic information is used by the measuring device to transmit the device status to the
automation system.
Diagnose Input modules transmit discrete input values from the measuring device to the
automation system. The first two bytes contain the information regarding the diagnostic
information number (→ 165). The third byte provides the status.
Selection: device function
Slot Device function Status (meaning)
1 to 14
Last diagnostics
Diagnostic information number
(→ 165) and status
Current diagnosis
Information about pending diagnostic information → 216.
Data structure
Input data of Diagnose Input
Byte 1 Byte 2 Byte 3 Byte 4
Diagnostic information number Status Value 0
Status
Coding (hex) Status
0x00 No device error is present.
0x01
Failure (F):
A device error is present. The measured value is no longer valid.
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