Siemens SITRANS P Instruções de Operação descarregar pdf (Página 90)

1. Create the reference pressure.

Set mode 7.

3. Set the reference pressure on the display.

4. Save using the [M] key.

6.5.7 Current transmitter

Introduction

In mode 8, switch the pressure transmitter into the constant current operation. You can connect

an external current transmitter in the constant current operation. The current then no longer

corresponds to the process variable. The following output current can be adjusted irrespective

of the input pressure:

● 3.6 mA

● 4.0 mA

● 12.0 mA

● 20.0 mA

● 22.8 mA

You can use HART communication to adjust intermediate values.

Procedure

To switch on the constant current operation, proceed as follows:

1. Set mode 8.

"Cur" in the display stands for current.

2. Press the [↑] and [↓] buttons simultaneously.

3. Select constant current.

Switching off the constant current operation

To switch off the constant current operation, proceed as follows:

Press the [M] button in mode 8.

Operation

6.5 Local operation

SITRANS P, DS III series with HART

88 Operating Instructions, 09/2012, A5E00047092-08

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Siemens SITRANS P Instruções de Operação Página 90