Addi-Data APCI-1710 Descrição da função - Página 6
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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
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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
x
x*
x
x
x
x*
x
x
x*
x
x
6
Digital I/O