Projecta IM2000 Instruções de Operação descarregar pdf (Página 43)

41

Interfacing and Using the Isolated Logic

Inputs

The IM483 has 4 optically isolated logic inputs which are located on connector

P1. These inputs are isolated to minimize or eliminate electrical noise coupled

onto the drive control signals. Each input is internally pulled-up to the level of

the optocoupler supply and may be connected to sinking outputs on a controller

such as the IMS LYNX or a PLC. These inputs are:

1] Step Clock (P1:2)

2] Direction (P1:3)

3] Enable (P1:5)

4] Reset (P1:6)

Of these inputs only step clock and direction are required to operate the

IM483.

The schematic shown in Figure 7.5 illustrates the inputs.

HP-2630

HP-2630

HP-2630

HP-2630

470

Ω

470

Ω

470

Ω

470

Ω

Optocoupler Supply P1:4

+5VDC

Step Clock P1:2

CW/CCW Direction P1:3

Enable/Disable P1:5

Reset P1:6

Figure 7.5: Optically Isolated Inputs

1 2 ... 38 39 40 41 42 43 44 45 46 47 48 ... 76 77

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