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2.4 Control

2.4.9 Pop-up message processing

COMPAX can display the following pop-up messages via the status word:

an error has occurred.

the programmed set point has been reached.

the programmed comparator point has been reached.

The pop-up messages can be enabled individually via P193 (activated).

Pop-up message Valency

automatic error message 1

automatic "position reached" message 2

automatic comparator switch points report 4

The required settings can be obtained by inputting the sum of the significants in P193

If the pop-up message processing is active and there is a pop-up message, COMPAX interrupts the normal status display in the

status word, toggles the pop-up message flag "SPM" and displays the actual pop-up message in the status word.

The Master accepts the pop-up message and acknowledges it by toggling the "SPM" in the control word.

The status word displays a pop-up message, when SPM (status word) is not equal to SPM (control word).

Status word with pop-up messages

Data byte [Bit] Assignment Data byte [Bit] Assignment

1 [7] SPM 2 [7]

1 [6] 2 [6]

1 [5] Pop-up message identifier 2 [5] Error No.

1 [4] 2 [4] or

1 [3] 1 = error 2 [3] Comparator No.

1 [2] 2 = set point reached 2 [2]

1 [1] 3 = Comparator point reached 2 [1]

1 [0] 2 [0]

Parker Hauser COMPAX-M Series Interface Manual

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