ADLINK Technology PCI-8136M Guía de usuario Pagina 39

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Signal Connection 31
3.9 General purpose output P-RDY
There is one general purpose output pin on PCI-8136M. The pin assinment is
shown as following table:
Signal
Name
CN1 Pin No. Description Alternative Name
COM+ 6 Ext +24V COM+
COM+ 7 Ext +24V COM+
COM+ 8 Ext +24V COM+
PRDY 58 General Purpose output
DO7
COM- 55 Ext Common Ground COM-
COM- 56 Ext Common Ground COM-
The spec. and wiring are the same with SVON pin. Please refer to 3.8
3.10 VCC Pin
There is one pin named VCC+5V on Pin5 of CN1. This voltage source is from
computer directly. Please don't use this voltage source on any devices which
are connected to PCI-8136M's isolation I/Os. If not, the grounds will be
connected both at the isolative sides and the noise will be introduced from
this loop. So the isolation will be meaningless. The VCC's ground is the same
with Analog's. Please be careful to deal with the noise problems.
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