Carrier 8DF-13 Uživatelská příručka stáhnout pdf (Strana 46)

3. External Connection

SMC-4DF-PCI, SMC-8DF-PCI

Connecting Input Signals

Encoder input circuit

Encoder input circuit on this product is illustrated below. The signal input is a differential input capable

of connecting a line driver output, TTL level output and open-collector output.

Connection with the differential output

Board Driver Unit

A+

A-

AM26LS32A or

equivalence to it

Phase A+

Phase A-

Vcc

B+

B-

AM26LS32A or

equivalence to it

Phase B+

Phase B-

Vcc

Z+

Z-

AM26LS32A or

equivalence to it

Phase Z+

Phase Z-

Vcc

GND

Connector

Shell

Figure 3.11. Encoder input circuit

CAUTION

- Please use the twisted-pair cable that does the shield processing as a noise measures when

connecting it with the differential output.

- Restrict the use of cables to 10m for the line driver output.

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Carrier 8DF-13 Uživatelská příručka Strana 46