Wika D-11-7 Bedienungsanleitung PDF herunterladen (Seite 24)

24 WIKA operating instructions pressure transmitter model D-1x-7

2478159.05 12/2011 GB/D/F/E

6. Commissioning, operation

Factor / unit (byte 3)

7 6 5 4 3 2 1 0

Internal device error 1 (sensor unit non-synchronous)

The error message will be sent as soon as the synchronisation between the

instrument's two internal microprocessors is disturbed. Error correction through

reset.

Sensor bridge voltage outside permissible range

The sensor bridge voltage is only veried when turning on or after a reset. Error

correction through reset.

Pressure value more than 5 % over the end of the measuring range

The pressure is checked every 10 ms. The error message is sent for as long as

the pressure is outside the 5 % limit.

Pressure value more than 5 % under the start of the measuring range

The pressure is checked every 10 ms. The error message is sent for as long as

the pressure is outside the 5 % limit.

Temperature at the pressure sensor greater than 80 °C

The temperature is checked every 2.5 seconds. For as long as the temperature is

greater than 80 °C, the error message will be transmitted.

Res.

Internal device error 2 (internal communication error)

The error message will be sent as soon as there is a disruption of the internal data

exchange (sensor unit ⇔ evaluation electronics) detected. Error correction through

reset.

LED

The LED inside the instrument signals the following operating conditions:

■

LED o: No voltage supply or bus communication present

■

LED on: No bus communication

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Wika D-11-7 Bedienungsanleitung Seite 24