Siemens High Speed Counter and Encoder Module SIMATIC 505 Bedienungsanleitung PDF herunterladen (Seite 12)

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1-6

Series

505 High Speed Counter

and Encoder Module User

’

s Manual

1.4 LED Indicators

Each

channel contains four LED indicators which provide a visual

indication of the channel’

s status as shown in Figure 1-3.

Figure 1-3

High

Speed Counter LEDs

A Turns

on when there is current flow through the A input.

B T

urns on when there is current flow through the B input.

Y1 T

urns on when Output 1 is on.

Y2 T

urns on when Output 2 is on.

NOTE:ă

If Reset or Inhibit is turned on, the HSC does not count, and the A

and B LEDs are frozen.

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Siemens High Speed Counter and Encoder Module SIMATIC 505 Bedienungsanleitung Seite 12