Endress+Hauser Proline Promass Q 500, Operating Instructions Manual

Page: 96 / 280

System integration Proline Promass Q 500 PROFIBUS PA
96 Hauser
Selection: device function
The device function can be specified using the CHANNEL parameter.
CHANNEL Device function Factory setting: Status (meaning)
894 Empty pipe detection
• 0 (device function not active)
• 1 (device function active)
865 Low flow cut off
1430 Status verification
1)
• Bit 0: Verification status - Check not done
• Bit 1: Verification status - Failed
• Bit 2: Verification status - Busy
• Bit 3: Verification status - Ready
• Bit 4: Verification overall result - Failed
• Bit 5: Verification overall result - Passed
• Bit 6: Verification overall result - Check not done
• Bit 7: Not used
1) Only available with the Heartbeat Verification application package
Factory setting
Function block Factory setting
DI 1 Empty pipe detection
DI 2 Low flow cut off
Data structure
Input data of Discrete Input
Byte 1 Byte 2
Discrete Status
DO module (Discrete Output)
Transmit discrete output values from the PROFIBUS master (Class 1) to the measuring
device. Discrete output values are used by the PROFIBUS master (Class 1) to enable and
disable device functions.
The DO module cyclically transmits the discrete output value, along with the status, to the
measuring device. The discrete output value is depicted in the first byte. The second byte
contains standardized status information pertaining to the output value.
Three Discrete Output blocks are available (slot 17 to 19).
Assigned device functions
A device function is permanently assigned to the individual Discrete Output blocks.
CHANNEL Function block Device function Values: control (meaning)
891 DO 1 Flow override
• 0 (disable device function)
• 1 (enable device function)
890 DO 2
Zero point
adjustment
1429 DO 3 Start verification
1)
2210 DO 4 Relay output
• 0 (non-conductive)
• 1 (conductive)
1) Only available with the Heartbeat Verification application package