Bosch PIN8 N1 Guide de dépannage télécharger pdf (Page 562)

100

101

9-34 Extended Drive Functions MPH-02, MPB-02, MPD-02

DOK-INDRV*-MP*-02VRS**-FK01-EN-P

To stabilize the analog signal in the zero range it is possible to

parameterize a so-called "dead zone":

• P-0-0216, Analog input, assignment A, dead zone

• P-0-0239, Analog input, assignment B, dead zone

Note: Parameterizing a "dead zone" is useful mainly for noisy analog

values!

Assignment to Internal Drive Parameters

The analog input values are stored in the following parameters for display

and further internal processing:

• P-0-0210, Analog input 1

• P-0-0228, Analog input 3

• P-0-0229, Analog input 4

Additionally for basic design:

• P-0-0211, Analog input 2

By the assignment mechanisms via the parameters P-0-0213

(assignment A) and P-0-0236 (assignment B) it is possible to assign two

analog input values (cf. P-0-0210, P-0-0211, P-0-0228, or P-0-0229) to

other drive parameters and thereby process them cyclically (cf. P-0-0212,

Analog input, list of assignable parameters).

Only such parameters can be assigned that are listed in P-0-0212,

Analog inputs, IDN list of assignable parameters.

The assignment of an analog input to a parameter is activated when a

value unequal S-0-0000 (S-0-0000 corresponding to "off") was

parameterized in P-0-0213 or P-0-0236.

Notes on Commissioning

Carrying Out the Automatic Scaling (or Adjust)

Automatic adjust takes place in 2 steps that have to be carried out one

after the other in order to achieve reliable execution of the function.

• step 1: zero point shifting

(or reference point shifting because reference is not obligatorily

established to U

= 0V)

• step 2: amplification or amplitude scaling

There is only one command for both assignment channels. In P-0-0218,

Analog input, control parameter (bit 1) you have to define which

channel is adjusted:

• bit 1 = 0 → scaling assignment channel A

• bit 1 = 1 → scaling assignment channel B

Configuration and Assignment to Drive Parameters

The assignment of an analog input to an internal analog channel

(assignment A or B) takes place via parameter P-0-0218, Analog input,

control parameter:

• bits 4 to 7 → selecting analog input for assignment A

• bits 8 to 11 → selecting analog input for assignment B

"Dead Zone" to be

Parameterized

Assigning Analog Inputs to

Parameters

Parameters to be Assigned

Configuring the Analog Input

Assignment to Internal Channel

(Assignment A or B)

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Bosch PIN8 N1 Guide de dépannage Page 562

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