Digital Acoustics ESBx-110 Especificaciones descargar pdf (Pagina 216)

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101

Control Block Description

ADDvantage-32 PLUS

4-86

Inputs (Cont.)

UP: Bit

RES: Bit

RET: Bit

2. Outputs

BIOUT: Analog

UNOUT: Analog

3. Implementation

[(TACH1/TACH2) × GAIN] = BIOUT if it is within MIN and MAX, else BIOUT will

equal the limit value. BIOUT is rate limited by the RT value. RT is entered in

units/second and should be set at maximum rate of change at core at max speed.

If the HOLD bit goes high, then BIOUT and UNOUT will be held at their current values.

Releasing this bit lets the block resume calculations.

If UP bit is high, then UNOUT equals the highest BIOUT since the last reset. If the UP

bit is low, then the UNOUT equals the lowest BIOUT since the last reset.

The RES bit is used to reset both BIOUT and UNOUT to the IDIAM value. It stays at

this value as long as the RES bit is high. The RES bit has a higher priority than the

HOLD bit.

Non-retentive Block

On powerup of the ADDvantage-32 PLUS, UNOUT = IDIAM

BIOUT = IDIAM

Retentive Block

On powerup of the ADDvantage-32 PLUS, BIOUT and UNOUT will be initialized under

the following conditions:

If RET = 0, then UNOUT = IDIAM and

BIOUT = IDIAM

If RET = 1, UNOUT and BIOUT are set to their last value. UNOUT and BIOUT

must also be configured to retentive points to be updated automatically on

powerup.

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Digital Acoustics ESBx-110 Especificaciones Pagina 216

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