Schneider Electric Altivar 58 VW3-A58101 Uživatelský manuál stáhnout pdf (Strana 48)

ALTIVAR



58 Keypad Display VVDED397047US R8/01

Chapter 2 — Menus 08/01

Table 14: 4—Control Menu: Other Parameters

Parameter Code Description

Adjustment

Range

Factory

Setting

AI2 min Ref.-mA

AI2 Max. Ref-mA

CrL

CrH

• CrL: Minimum value of the signal on

analog input AI2

• CrH: Maximum value of the signal

on analog input AI2

These two parameters allow definition

of the signal at AI2. The input can be

configured for 0–20 mA, 4–20 mA,

20–4 mA, among other possibilities.

CrL: 0–20

CrH:

4–20 mA

CrL: 4 mA

CrH:

20 mA

AO min Val-mA ★

AO Max. Val-mA ★

AOL

AOH

Min. value of the signal on output AO

Max. value of the signal output on AO

These two parameters are used to

define the output signal on AO.

Eg. : 0–20 mA, 4–20 mA, 20–4 mA, etc.

0–20 mA

0 mA

20 mA

Save Ref

Str

This function allows saving the

reference, either when the run

command is removed (RAM) or when

NO-RAM-

EEP

mains power is removed (EEP). When the motor is next started,

the reference speed will be the last saved reference. In order for

speed reference to be saved in EEP mode, the run command

should not be present when re-applying power.

★ These parameters are available only with the I/O extension card installed.

Note: If CRL is set higher

than CRH, reverse sense

operation will result (i.e.,

20 mA will equal low speed

and 4 mA will equal high

speed).

AI 2

(mA)

LSP

HSP

CrL CrH 20

Frequency

AO (mA)

Max.

AOL AOH 20

Parameter

NOTE: Save

Reference is only

available if LIs are

assigned to

+Speed/-Speed.

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