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QR Code Readers

MET QR Access Scanner

MET QR access scanner user manual: built-in Ethernet and relay, scan/card dual-mode, TCP & HTTP protocols; covers overview, dimensions, specs, pinout, VguangConfig setup, wiring, installation and FAQ.

中ENES V1.1 2024-02-18

MET is an access QR scanner with built-in Ethernet and a relay module, delivering scan/card dual-mode over TCP or HTTP without an external network or relay adapter.

Overview

86×86×39mm embedded (86-box) housing, 50×50mm reading window; 300k CMOS, 640×480; QR/barcode (QR, EAN-8/13, ISBN, CODE39/93/128, UPC, ITF), 0–100mm depth, ≥7mil, ~30ms/read, 360°, FOV 77°H/60°V.

Electrical & Environment

DC 9–15V, 150mA @12V, 1800mW @12V; relay 30V/1A DC; ESD contact 4kV; -20℃~70℃ operating; 5–95% RH non-condensing; 0–80000 Lux no direct sunlight.

Pinout

5Pin: red VCC, white DATA-, green DATA+, black GND, gray NC. 6Pin (Ethernet 568B): blue TX-, brown TX+, red RX-, black RX+, yellow COM, purple NO.

Setup

Select MET in VguangConfig, choose Ethernet output and TCP/HTTP protocol, set server address, generate a config QR, scan it on the device and power-cycle to apply.

FAQ

设备连不上 VguangConfig 配置工具怎么办?

MET 采用扫码配置:在配置工具中生成配置码,用扫码器扫该配置码后断电重启完成下发,无需 USB 直连。

配置成功后扫码没有请求上传到服务器?

先配静态 IP 并 Ping 设备检查网络是否通,不通则检查网线与 568B 接线;网络正常仍无上传,参照《网络设备接口规范 1.2》调试服务器接口。

服务器收到请求但解析不出数据?

设备上传的是纯文本字符串而非 JSON,按 JSON 方式解析会失败,请按文本格式解析。

返回 code=0000 后为什么不开门?

检查「传输成功行为」是否勾选「控制继电器」,输出方式需选 TCP 协议或 HTTP 协议;code=0000 同样为文本格式。

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