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Product Positioning
PCIe-GIE7x is a PCIe x4 specification GigE Vision PoE+image acquisition card, which is divided into two basic models: 2-channel (GIE72) and 4-channel (GIE74), with various derivative standard versions and Pro professional versions; Each independent gigabit network port, with a single channel bandwidth of 1Gbps, provides power to industrial cameras through IEEE802.3at PoE+, enabling one-stop image acquisition and camera power supply, simplifying machine vision wiring.
Core functional characteristics
Universal standard features for all models
1. Bus: PCIe v2.1 x4, speed 2.5GT/s, compatible with x4/x8/x16 motherboard slots; The Ethernet chip is Intel I210.
2. Network port power supply: IEEE802.3at PoE+, single port up to 30W output (50~57V), automatic recognition of PoE (af)/PoE+(at)/non PoE cameras; Support graded detection of PD devices.
3. Classification of total power supply:
-PCIe slot only power supply: maximum 20W for the whole machine;
-Single 4pin/6-pin Molex external power supply: 61.6W for the entire machine;
-Only PCIe-GIE74 Pro dual interface power supply: maximum 120W for the whole machine.
4. Network capability: 9KB jumbo frames, link aggregation, hardware IEEE1588 precision clock synchronization (PTP); Support simultaneous operation of multiple cards and cameras.
5. Complete PoE hardware protection: undervoltage UVP, overvoltage OVP, graded overcurrent, overheating OTP automatic power-off protection.
6. PoE intelligent power management: single port programmable switch, real-time monitoring of voltage/current/power consumption, port priority scheduling, power budget control; Comes with a free SDK and Windows visual management tool.
7. Hardware indicator lights: RJ45 network port speed/link street light, yellow light for four-way PoE power supply status; Real time temperature measurement by onboard temperature sensor.
8. System compatibility: Windows 7/8.1/10, supports C #/[VB. NET/VC++]( https://link.wtturl.cn/?target=https%3A%2F%2FVB.NET%2FVC%2B%2B&scene=im&aid=497858&lang=zh )Secondary development.
Exclusive value-added features of Pro Professional Edition (not available in Standard Edition)
1. ToE (Ethernet trigger): Transmit hardware synchronization trigger signals through Ethernet cables to achieve precise synchronized acquisition of multiple cameras;
2. Software License Management: Onboard secure EEPROM, built-in authorization encryption, no need for external encryption dongles, third-party visual software can bind hardware authorization.
Typical application scenarios
Industrial machine vision inspection equipment, scientific research instrument imaging, medical imaging equipment.
Detailed hardware specification comparison
|Parameter Items | PCIe-GIE72/GIE72 Pro | PCIe-GIE74/GIE74 Pro|
|Number of Gigabit Ethernet ports | 2 independent RJ45 channels | 4 independent RJ45 channels|
|Overall dimensions | Unified 167.6mm (W) × 106.6mm (H) | Same as left|
|Working temperature | PoE total power ≤ 61.6W: 0~70 ℃; Only 120W mode (GIE74 Pro): 0~40 ℃ | Same as left|
|Storage temperature | -40 ℃~+85 ℃ | Same as left|
|Certification | CE/FCC Class B, RoHS | Same as left|
|External power supply interface | 4pin 12V, 6pin 12V Molex dual interface | Same as left|
|On board dialing | Card ID address switch SW1, PoE global switch SW3 | Same as left|

Complete technical specifications for PoE power supply
1. Differences between PoE and PoE+standards
-PoE (802.3af): The maximum output of the PSE is 15.4W, and the device can use 12.95W with a maximum current of 350mA;
-Poe+(802.3at): The maximum output of the PSE is 30W, and the device can use 25.5W with a maximum current of 600mA (standard for this card).
2. Multi level hardware protection mechanism
-Voltage protection: Automatically cut off port power supply when the output is below 29V (UVP) and above 62V (OVP);
-Graded overcurrent protection: Set different cut-off currents Icut according to PD device Class0-4, and immediately cut off power in case of short circuit/overload;
-Overheating OTP protection: default high temperature threshold of 130 ℃ (power off), low temperature recovery of 90 ℃, software can customize the range of 80-130 ℃/70-120 ℃;
3. Power scheduling logic
-Port fixed priority: Port1>Port2>Port3>Port4; When the overall power is insufficient, prioritize closing low priority ports;
-PD grading power: Class0/3 maximum 15.4W, Class4 maximum 30W, cable voltage drop will cause actual power loss at the equipment end;
-Automatic power budget switching: The upper limit of the overall power is automatically switched based on whether a 4/6-pin external power supply is connected or not.
Hardware layout, IO interface, and dialing definition
Differentiation of onboard hardware components
1. PCIe-GIE74 (4-port) PCB: dual RJ45 (4 network ports in total), 4-pin power supply CN3, 6-pin power supply CN4, trigger input terminal, PoE status LED, 4-digit Card ID dip code SW1, 2-digit PoE main switch SW3, back temperature sensor;
2. PCIe-GIE72 (2-port) PCB: single set RJ45 (2-port), other components are the same as the 4-port version.
Definition of key interface pins
1. RJ45 Ethernet port
8-core Ethernet cable simultaneously transmits gigabit data and PoE power supply; Dual LED indicator lights: LED1 displays speed (green=100M, yellow=1000M, off=10M), LED2 links/data (constantly lit connected, flashing with data transmission);
2.4Pin 12V external power supply (CN3): Pin 1+12V, Pin 2/3 GND, Pin 4+5V;
3.6Pin 12V external power supply (CN4): 1-pin+12V, 2/3/6-pin GND, 4-pin+5V, 5-pin detection pin;
4. Card ID DIP code SW1 (4-digit DIP)
Default all ON (ID=15), 4-digit dialing binary combination can configure 16 card addresses from 0 to 15, and multi card system distinguishes devices; ON=1、OFF=0;
5. PoE global DIP SW3 (2-digit DIP)
-Dial 1: ON=globally disable all PoE power supply, OFF=enable PoE (default);
-Dial code 2: ON=PoE is turned off by default when powered on, OFF=PoE is automatically turned on when powered on (default).
Quick Installation Guide
Open box checklist
Package includes: PCIe GIE7x collection card body, quick start guide; There may be differences in OEM customized version accessories. Please check the outer packaging for damage before receiving the goods, and contact the dealer immediately if there is any damage.
Hardware installation steps
1. Turn off the power, remove the chassis cover, and find a free PCIe x4/x8/x16 slot;
2. Remove the chassis cover and smoothly insert the acquisition card vertically into the PCIe slot, pressing it into place;
3. Fix the baffle with screws;
4. To achieve full power PoE, connect a 4-pin/6-pin Molex 12V external power cord;
5. Connect the GigE Vision camera to an RJ45 Ethernet cable;
6. Power on and go to the official website of Linghua/Intel to download and install the Intel I210 network card driver.
Important safety regulations
1. Before operation, the entire machine must be powered off, the power cord must be removed, and power must be turned off for disassembling and assembling boards, opening covers, and maintenance;
2. The onboard heat sink is at high temperature and should not be touched directly after operation to prevent burns;
3. The device is only allowed for indoor deployment and PoE power supply does not support outdoor use;
4. Keep away from liquid, high temperature, and high humidity environments, ensure ventilation, and prohibit blocking the heat dissipation area;
5. Built in lithium battery, there is a risk of explosion if the model is replaced incorrectly, and the waste battery is recycled in compliance with regulations;
6. Only authorized maintenance personnel from Linghua are allowed to repair the malfunction, and users are prohibited from disassembling and repairing it themselves.

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