ADLINK LPCIe-8124-C 4-channel high-speed trigger encoder acquisition card

Basic Information

Product model: LPCIe-8124-C

Product positioning: PCIe bus 4-channel orthogonal encoder+high-speed position comparison trigger card, targeting machine vision/motion control scenarios such as AOI optical detection, length ranging, and motion synchronization capture

Core product highlights

4 independent 32-bit orthogonal encoder acquisition channels, with a maximum encoder input rate of 18MHz;

Built in 14 sets of 32-bit hardware comparators, supporting multi-mode position comparison, with a maximum high-speed trigger output of 4.4MHz;

Programmable trigger pulse width ranging from 0.1 μ s to 3.2765ms, compatible with strobe cameras and light source synchronization;

Three types of trigger output electrical interfaces: TTL, 5~24V open collector, differential output;

Encoder input and latch signal with 2500VRMS photoelectric isolation, resistant to factory electromagnetic interference;

Equipped with TriggerMaster visual configuration debugging software, easy to develop;

Supports four triggering modes: manual/linear/table/timer, suitable for various detection devices.

Hardware core specifications

1 Count and trigger core parameters

Item Parameter

Encoder channel 4 independent, each with a 32-bit counter

The maximum input frequency of the encoder is 18MHz (4x AB phase mode)

14 sets of 32-bit hardware comparators

1023 points of single channel FIFO cache

Trigger output with a maximum frequency of 4.4MHz

The adjustable range of trigger pulse width is 0.1 μ s~3.2765ms

Position latch input 4-channel LTC latch channel

2. I/O signals and isolation characteristics

Encoder signals: EA+/EA -, EB+/EB – (A/B orthogonal), EZ+/EZ – (index zero position), supporting three encoder modes: 1x/2x/4x multiplier, CW/CCW single pulse, and OUT/DIR directional pulse;

Lock input LTC: 4 channels, used to capture the real-time position of the encoder;

Trigger output TRG: 4-channel, supporting three hardware outputs: TTL level, 5-24V open set, and differential drive;

Isolation specifications: Encoder input and latch input with 2500VRMS optoelectronic isolation, the rest are standard TTL signals;

Connector: 50 pin SCSI-II interface, matched with terminal board to output all signals.

3 Electrical power supply

PCIe slot power supply: maximum 900mA ± 5%;

Onboard external auxiliary power supply:+5VDC, maximum output 500mA, available for external sensors/light sources;

4 Environmental parameters

Working temperature: 0 ℃~+50 ℃

Storage temperature: -20 ℃~+80 ℃

Humidity: 5%~85% RH, no condensation

Interface pin definition (50 pin SCSI)

Divided into 4 independent encoder channels (CH1~CH4), with a unified layout:

INCOM: Isolation input common terminal for each channel;

LTC1~LTC4: Four channel position latch trigger input;

OUTCOM: Trigger output common ground;

TRG1~TRG4: Four high-speed trigger pulse outputs;

EA/EB/EZ differential signal: orthogonal A/B phase+zero index for each channel;

TTL-IN1~4, TTL-OUT1~4: Universal digital input/output;

DGND: Digital Public Land.

Software Support System

1. Compatible with operating systems

Windows 7 / Windows 8.1、 Real time system RTX 8.1a/RTX 2009SMP

2 Development Languages and Examples

Supports VC++, VB, BCB, and the factory provides a complete set of sample programs with source code

3 matching tools TriggerMaster

The Windows visualization upper level tool can complete encoder parameter configuration, comparison point setting, trigger timing debugging, signal online monitoring, hardware testing without programming, greatly reducing the development cycle of AOI equipment.

Ordering model and optional accessories

Standard model: LPCIe-8124-C (4-channel high-speed encoder trigger card)

Optional accessories:

DIN-50S-01: DIN rail mounted 50 pin terminal board;

ACL-10250-1:1 meter long 50 pin SCSI-II matching cable.

Typical application scenarios

Fully automatic optical inspection AOI, roll length measurement, high-speed linear array camera synchronous capture, precision displacement detection, motion platform positioning trigger, laser synchronous marking equipment.