Proline Promag L 400 PROFIBUS DP Technical data
Endress+Hauser 125
Input signal External measured values
Various pressure transmitters and temperature measuring devices can be ordered
from Endress+Hauser: see "Accessories" section (→ 121)
It is recommended to read in external measured values to calculate the following measured
variables:
Corrected volume flow
Fieldbus
The measured values are written from the automation system to the measuring device via
PROFIBUS DP.
16.4 Output
Output signal PROFIBUS DP
Signal encoding NRZ code
Data transfer 9.6 kBaud…12 MBaud
Signal on alarm Depending on the interface, failure information is displayed as follows:
PROFIBUS DP
Status and alarm
messages
Diagnostics in accordance with PROFIBUS PA Profile 3.02
Local display
Plain text display With information on cause and remedial measures
Backlight Red backlighting indicates a device error.
Status signal as per NAMUR recommendation NE 107
Operating tool
• Via digital communication:
PROFIBUS DP
• Via service interface
Plain text display With information on cause and remedial measures
Low flow cut off The switch points for low flow cut off are user-selectable.
Galvanic isolation The following connections are galvanically isolated from each other:
• Outputs
• Power supply
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