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Function description

1 Function description

The function "Digital I/O" allows for an easy control or monitoring of single differential, TTL or 24 V

signals.

A function module with this function has:

•

2 differential RS422 inputs or outputs (software-selectable), can also be used as TTL inputs or

outputs

•

2 differential RS422 inputs (software-selectable), can also be used as TTL inputs

•

3 GND-related 24 V inputs, optional 5 V

•

1 digital 24 V output, load to GND (APCIe-/CPCIs-1711: 5-36 V, APCI-/CPCI-1710: 10-36 V /

500 mA)

Features:

•

4 function modules per board

•

Optical isolation of the inputs and outputs through opto-couplers to prevent ground loops

1.1 Board versions with "Digital I/O" function

www.addi-data.com

NOTICE!

With the 24 V version of the APCIe-1711, CPCIs-1711 or

APCI-1710, the "Digital I/O" function can be used only to a

limited extent.

Table 1-1: Board versions with "Digital I/O" function

Board version

APCIe-1711

APCIe-1711-24V

APCIe-1711-5V-I

APCIe-1711-10MHz

CPCIs-1711

CPCIs-1711-24V

CPCIs-1711-5V-I

APCI-1710

APCI-1710-24V

APCI-1710-5V-I

APCI-1710-5V-I-O

"Digital I/O"

function

Digital I/O