Hydac CMU 1000 Manual do Utilizador descarregar pdf (Página 84)

Condition Monitoring Unit CMU 1000 Page 84

Revised 17.12.2009 HYDAC ELECTRONIC GMBH Mat.-No.: 669749

7.2.8 Error Event

An error handling can be implemented with the function Error event.

The Boolean output is switched to "1" in the event that an error

condition is present. The output is switched back to "0" if the error

goes away.

The type of error event can be set with the Event parameter.

The following events are possible:

Below signal range

A sensor has cable breakage, for example

Above signal range

One sensor lies above the signal range with its signal

Incorrect sensor constellation

At one sensor connection port there is either no sensor connected,

or an incorrect one.

Numerical error

An error occured during a calculation, e.g. division by 0 or square

root of a negative number, logarithm from 0, etc.

Cycle time exceeded

The set cycle time was exceeded.

Inputs -

Outputs: y: (Boolean)

Parameters: p

: Event (input list)

7.2.9 Boolean Constants

The Boolean Constant function supplies a Boolean value which is

defined in the Editor and which does not change during the running

time. That means that the parameter entered in the Editor is output

during the running time at the output.

Inputs -

Outputs: y: (Boolean)

Parameters: p

: Value (Boolean)

7.2.10 State-bit

The function Show Stat-bit provides the status of the bit defined by

the "Sensor port" and "Bit location" parameters in the status code of

the selected SMART sensor (status code is sensor-specific) at the

Boolean output.

Inputs -

Outputs: y: (Boolean)

Parameters: p

: Sensor port (Channel A .. Channel H)

: Bit location (0 .. n -depending on sensor-)

1 2 ... 79 80 81 82 83 84 85 86 87 88 89 ... 121 122

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