National-instruments Module NI PXI-8250 Uživatelský manuál stáhnout pdf (Strana 22)

Chapter 3 Hardware Overview

NI PXI-8250 User Manual 3-6 ni.com

Figure 3-5 shows the layout of this connector.

Figure 3-5. NI PXI-8250 Front Panel Connector Pinout Diagram

Figure 3-6. NI PXI-8250 Relay Operation Diagram

1 Alert Relay Terminal Pins 2 Fused Power Output Terminal Pins

1

2

NO (Normally Open)

COM (Common)

NC (Normally Closed)

5V

3.3V

12V

-12V

GND (Ground)

NO (Normally Open)

COM (Common)

NC (Normally Closed)

Chassis off

(or power off)

NO (Normally Open)

COM (Common)

NC (Normally Closed)

Initial power up

of chassis (7 seconds)

NO (Normally Open)

COM (Common)

NC (Normally Closed)

Chassis on

without error(s)

NO (Normally Open)

COM (Common)

NC (Normally Closed)

Chassis on

with error(s)

1 2 ... 17 18 19 20 21 22 23 24 25 26 27 ... 38 39

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