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FCB100, FCB400 COMMISSIONING AND PROVING | PG/CORIOLIS/PROVING-EN REV. A
CoriolisMaster FCB100
Figure 5: CoriolisMaster FCB100
In-Situ proving with a flow computer
1 Clamping connection
Threshold at prover and flow computer should be 3,5 V ±0,5 V
Figure 6: Connection for proving
Precondition:
•
The resistor network is installed inside the flow computer
as shown under Flow computer on page 6.
Connect the proving cable in parallel to the existing cable to the
flow computer. The cable to the flow computer should be
connected to the terminals 41 and 42 / 52.
Note
Don´t use the terminals A / B (Modbus®) for proving.
In the case that the flow computer panel provide a connector for
the prover.
1 Clamping connection
2 Cable gland for prover connection
Threshold at prover and flow computer should be 3,5 V ±0,5 V
Figure 7: Connection for proving
Proving connection when the meter has been removed
for the line
R1:
1 kΩ/ 0,5 W (between terminal 2− and 41)
R2: 2 kΩ / 0,5 W (between terminal 1+ and 41)
Jumper wire: between 2− and 42 / 52
Threshold at prover should be 3,5 V ±0,5 V
Figure 8: Add the resistor in the flowmeter
Add the resistor for proving:
Install the two resistors as shown.
Alternatively, the resistors can also be connected to the Prover:
R1: 1kR / 0,5 W (between GND and Pulse input +)
R2: 2kR / 0,5 W (between plus 24 V and Pulse input +)
Jumper wire: (between GND and Pulse input −)
Note
Don´t use the terminals A / B (Modbus®) for proving.
7
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