Introduction; Pinout - National Instruments 9753 User Manual

Introduction

The National Instruments 9753 Differential Digital I/O Module includes a CompactRIO (cRIO)
module with eight individually controlled inputs or outputs with 50 ns resolution. When the
channels are configured as outputs, the channels can be controlled by a customized Boolean
logic or by specialized fuel and spark VIs included with the NI 9753, in which case, an Engine
Position Tracking (EPT) VI is also required.The NI 9753 fuel and spark VIs provide control
similar to that of NI's fuel and spark driver module kits. The NI 9753 outputs do not drive current
sufficient for driving fuel injectors or ignition coils. The outputs can be used for commands to
external custom driver circuits or smart actuators with built-in driver circuits. Multiple fuel and
spark VIs can be wired together through OR logic gates to deliver multi-pulse
engine-synchronous commands to a single output. When the channels are configured as inputs,
the Boolean signals from these channels can be used as general purpose Boolean Trigger signals
within the LabVIEW FPGA application.
Each I/O channel uses an RS485/422 compatible differential transceiver with a voltage range of
0 V to 5 V.
Features
• 8-channel differential digital I/O with RS485/422 compatible transceivers
• Individual channel direction selection
• Protected 5 V, 1 A supply output
• 50 ns input and output resolution

Pinout

2 | ni.com | NI 9753 User Manual
Figure 1. NI 9753 Pin Assignments