DH6200-CDM3 data acquisition terminal

The wireless collection terminal uses GPRS and CDMA modules to transmit data through China Mobile and China Telecom's GPRS and CDMA networks, and uses TCP/IP protocol for data packets. It can flexibly access multiple devices and is easy to install. In base station monitoring applications, it does not affect the base station transmission line. When the base station transmission is interrupted, it can transmit data through neighboring base stations without being affected by the base station interruption. The wireless collection terminal transmission scheme is the only available option. Based on the need to provide a simple and practical GPRS and CDMA communication solution, our company has developed the DH6200 system acquisition terminal. It embeds the TCP/IP protocol stack, solving the limitation of users not having a TCP/IP protocol stack when using ordinary modules and needing to embed TCP/IP in the client system. It utilizes reliable GPRS/CDMA networks to achieve transparent transmission of data information. At the same time, it simplifies interface design and external servo circuits, making it more suitable for harsh industrial sites. Users can use RS-232 RS-485 or TTL level interfaces can achieve reliable end-to-end data communication with simple AT+i commands, greatly reducing user development time and maintenance workload. In addition, this product can flexibly connect multiple devices and has simple engineering installation. Suitable for microcontroller data acquisition and transmission systems, PLCs or RTUs, and industrial computers that use serial communication. It can immediately transform customers' existing wired serial devices into wireless network communication devices without the need for modification Reduced investment in system updates.

Product Features

Embedded PPP, TCP/IP protocol stack transparent data transmission and protocol conversion support fixed IP address data center supports dynamic IP address data center DNS domain name addressing with remote telephone activation and reset function, can achieve peer-to-peer data transmission from point to point and center to multipoint. The data transmission delay is generally less than 1 second. It supports operators' public and private APN/VPDN, optimizes electromagnetic compatibility design, wide voltage range input, short circuit protection design, intelligent power management technology, supports external power switch control standard RS-232/RS-485/RS-422/TTL interface for selection, suitable for various industrial application environments. Standard SMC antenna and SIM card interface networking is simple, fast, flexible, and enhances functions and characteristics. Industrial grade design meets the needs of various harsh environments. Selected industrial grade devices, industrial grade GPRS The CDMA wireless core module is embedded with multiple communication protocols, including standard PPP and TCP/IP protocols. It supports standard Socket Client/Server communication mode and uses ICMP protocol to implement heartbeat function, ensuring pure and transparent data transmission without interfering with normal data content and saving data traffic costs. Multiple working modes are always online: the device automatically goes online when powered on, automatically redials when disconnected, and maintains the line. Support link short connection function, effectively reducing communication costs. Data triggering during sleep, voice wake-up during sleep, flexible and practical data communication TCP/IP protocol family, TCP/UDP, Socket Server/Client. Multiple communication methods can be defined, transparent communication or instruction communication can be defined. The last packet idle time interval and maximum data transmission packet length can be defined. Control data sending can be defined with special separators. Control data sending can be defined with reconnection time intervals to prevent traffic explosion. Parameter configuration can provide PC configuration program AT+i command line parameter configuration function. A complete data center support system provides data center demonstration program. Provide demonstration program source code (VB). Provide seamless integration between data center testing program and mainstream configuration software in China.

Main technical parameters

The RF characteristics adopt GSM phase 2/2+standard dual band: GSM (EGSM) 900MHz DCS (GSM) 1800MHz Transmission Power: Class 4 (2 W) at EGSM900 Class 1 (1 W) at DCS1800 RF characteristics adopt the CDMA 2000 1X standard Band class 0: 800MHz Band class 1: (USPCS 1900MHz) Transmission frequency range: 824.64MHz to 848.37MHz receiving frequency range: 869.94MHz to 893.37MHz. Sensitivity greater than -104DB, operating current loss: Call mode: 300mA (typical value) Idle mode: 3.5mA (maximum) Power saving mode: 50 µ A (maximum) Average: 360MA Operating current loss, Call mode: 250mA (typical value) idle mode: 4.0mA (maximum) input current: 100mA (maximum) operating current loss: Call mode: 250mA (typical value) idle mode: 3.8mA (maximum) input current: 100mA (maximum) working current loss standby mode: 70mA (typical value) data transmission status: 300~400mA (maximum) working current loss standby mode: 70mA (typical value) idle mode: 5.0mA (maximum) data transmission status: 300~400mA (maximum)

Specification and model

Interface: Standard RS-232/485/TTL DB9 Interface Antenna: 50ohm/SMA/Female Input Voltage: 5~25V (standard 9V) SIM card operating voltage: 3V/1.8V CSD maximum transmission rate: 14.4KBPS module reset: using AT command or power down reset speech decoding standard (three rates): half speed (ETS 06.20), full speed (ETS 06.10), enhanced full speed (ETS06.50/06.60/06.80)

Volume: External type: Volume (approximately): 75 * 50/72 (including mounting holes) * 16mm Weight (approximately): 200g Internal type: Volume (approximately): 72 * 46 * 14.5mm Weight (approximately): 100g Shell packaging: good electromagnetic shielding cover and metal shell, sturdy and durable; Anti strong electromagnetic interference, extremely strong high-temperature heat dissipation ability.