Signal On Alarm; Load; Low Flow Cutoff; Galvanic Isolation - Endress+Hauser Proline Promass 80A Technical Information

Proline Promass 80A, 83A

Signal on alarm

Load

Low flow cutoff

Galvanic isolation

Switching output

Endress+Hauser
FOUNDATION Fieldbus interface:
• FOUNDATION Fieldbus H1, IEC 61158-2, galvanically isolated
• Data transmission rate: 31.25 kBit/s
• Current consumption: 12 mA
• Permissible supply voltage: 9 to 32 V
• Error current FDE (Fault Disconnection Electronic): 0 mA
• Bus connection with integrated reverse polarity protection
• Signal encoding: Manchester II
• ITK Version 5.01
• Function blocks:
– 8 × Analog Input (Execution time: each 18 ms)
– 1 × Digital Output (18 ms)
– 1 × PID (25 ms)
– 1 × Arithmetic (20 ms)
– 1 × Input Selector (20 ms)
– 1 × Signal Characterizer (20 ms)
– 1 × Integrator (18 ms)
• Number of VCRs: 38
• Number of link objects in VFD: 40
• Output data: Mass flow, Volume flow, Corrected volume flow, Density, Reference density,
Temperature, Totalizer 1 to 3
• Input data: Positive zero return (ON/OFF), Zero point adjustment, Measuring mode, Totalizer reset
• Link Master function (LM) is supported
Current output
Failsafe mode selectable (e.g. in accordance with NAMUR Recommendation NE 43)
Pulse/frequency output
Failsafe mode selectable
Status output
"Non-conductive" in the event of a fault or if the power supply fails
Relay output (Promass 83)
"Dead" in the event of a fault or if the power supply fails
see "Output signal"
Switch points for low flow freely selectable.
All circuits for inputs, outputs, and power supply are galvanically isolated from each other.
Status output
• Open collector
• max. 30 V DC / 250 mA
• galvanically isolated
• Configurable for: error messages, Empty Pipe Detection (EPD), flow direction, limit values
Relay output (Promass 83)
• Normally closed (NC or break) or normally open (NO or make) contacts available
(factory setting: relay 1 = NO, relay 2 = NC)
• max. 30 V / 0.5 A AC; 60 V / 0.1 A DC
• galvanically isolated
• Configurable for: Error messages, Empty Pipe Detection (EPD), flow direction, limit values,
filler valve 1 + 2 (optional)
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