Measurement-computing CIO-DIO192 Instrukcja Użytkownika Pobierz pdf (Strona 12)

CIO-DIO192 User's Guide Installing the CIO-DIO192

All the digital inputs and outputs are TTL. Under normal operating conditions, the voltages on the I/O pins

range from near 0 volts for the low state, to near 5 volts for the high state. The voltages and currents of external

devices usually exceed these values. Because of this, external relays are usually employed to handle higher

current and voltage loads.

In addition to load matching, digital signal sources often need to be filtered or "de-bounced". Refer to the Guide

to Signal Connections for information on digital interfacing. This document is available at

www.mccdaq.com/signals/signals.pdf

Cabling

The red stripe

identifies pin # 1

50-pin Female

IDC connector

50-pin Female

IDC Connector

Figure 5. C50FF-x cable

Field wiring, signal termination, and conditioning

You can use the following cabling, screw termination, and signal conditioning products with the CIO-DIO192.

 CIO-TERM100 – 100-pin screw terminal board (daisy-chained 50-pin IDC connectors).

 CIO-SPADE50 – 16" X 4" termination panel which mates with

both 37-pin and 50-pin connectors.

 CIO-MINI50 – 50-pin screw terminal board.

 SSR-RACK24 – 24-channel, solid-state relay mounting rack for digital signal conditioning.

 SSR-RACK48 – 48-channel, solid-state relay mounting rack with quad-format modules.

 CIO-ERB24 – 24 Form C relays, 6 Amp relay accessory board for digital signal conditioning.

 CIO-ERB48 – 48 Form C relays, 6 Amp, relay, 50-pin accessory board for digital signal conditioning.

Information on signal connections

General information regarding signal connection and configuration is available in the Guide to Signal

Connections. This document is available on our web site at www.mccdaq.com/signals/signals.pdf.

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Measurement-computing CIO-DIO192 Instrukcja Użytkownika Strona 12