Advantech PCL-848A/B Dokumentacja Pobierz pdf (Strona 32)

Appendix C Register Structure and Format

PCI-1761 User’s Manual 28 Advantech Co., Ltd.

www.advantech.com

C.3 Relay I/O Registers - BASE+0H

The PCI-1761 offers 8-ch relay actuators. These I/O channels use the

input and output ports at addresses BASE+0H.

Table C-2: Register for relay output status

Table C-3: Register for relay output

Note:

✎

The default configuration of the digital output channels is a logic 0.

This avoids damaging external devices during system start-up or

reset since the power on status is set to the default value.

Read Relay Output Status

Bit # 76543210

BASE +0H RS7 RS6 RS5 RS4 RS3 RS2 RS1 RS0

Write Relay Output

Bit # 76543210

BASE +0H RO7 RO6 RO5 RO4 RO3 RO2 RO1 RO0

1 2 ... 27 28 29 30 31 32 33 34 35

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