Schneider Electric ALTIVAR 58 TRX Przewodnik Instalacji Pobierz pdf (Strona 69)

VVDED397047USR6/03 Chapter 2—Menus

06/2003 5—I/O Menu

Preset Speeds

2, 4, or 8 speeds can be preset, requiring 1, 2, or 3 logic inputs,

respectively.

Table 19 shows how the logic inputs are configured for Preset

Speeds and the input states that activate them.

Figure 16: +Speed Timing Diagram (Selector Switches)

Forward

LSP

2nd action

1st action

aaa a a a a

Reverse

2nd action

1st action

Motor

Frequency

Table 19: Preset Speed Logic

2 Preset Speeds 4 Preset Speeds 8 Preset Speeds

Assign LIx to PS2. Assign LIx to PS2, then LIy to PS4.

Assign LIx to PS2, then LIy to PS4, then

LIz to PS8.

LIx Speed reference LIy LIx Speed reference LIz LIy LIx Speed reference

0 LSP + AI reference 0 0 LSP + AI reference 0 0 0 LSP + AI reference

1HSP 01SP2 001SP2

10SP3 010SP3

11HSP 011SP4

100SP5

101SP6

110SP7

111HSP

NOTE: To reassign the logic inputs to a function other than Preset Speeds, PS8 (LIz) must be cleared, then

PS4 (LIy), then PS2 (LIx).

1 2 ... 64 65 66 67 68 69 70 71 72 73 74 ... 125 126

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Schneider Electric ALTIVAR 58 TRX Przewodnik Instalacji Strona 69