描述
产品简要说明
GE DS3800NMEA1G1D是通用电气（GE）专为工业通信协议转换设计的扩展模块，核心功能包括：
NMEA-0183协议解析：支持GPS、气象传感器等设备的数据采集与格式转换
多协议适配：兼容RS-232/RS-485接口，可扩展至EtherNet/IP协议
工业级环境适应：通过IP65防护认证，适应-25℃～70℃宽温环境
产品详细说明
1.硬件架构与核心功能
协议处理引擎：
NMEA-0183解析：支持GPRMC、GPGGA、VTG等标准数据帧实时解析
自定义协议扩展：可通过固件升级适配私有协议（如船舶导航系统专用协议）
信号接口设计：
双通道RS-485：支持全双工通信，波特率范围1200-115200 bps
隔离保护：光耦隔离设计，抗ESD干扰能力达8kV
2.通信与扩展能力
协议转换机制：
NMEA to Modbus：将GPS坐标、航向等数据转换为Modbus寄存器值
工业以太网接口：支持EtherNet/IP协议，实现与PLC的实时数据交互
数据缓存与同步：
256KB FIFO缓存：防止数据丢失（支持突发流量＞1000帧/秒）
时间同步精度：GPS时间戳与PLC系统时间误差＜1ms
3.工业级可靠性设计
环境适应性：
宽压供电：24V DC（12-36V宽压输入）
抗振动测试：通过MIL-STD-810G 514.5振动标准（5-500Hz，0.01g²/Hz）
故障诊断系统：
通信状态监控：实时显示链路连接状态、帧错误率等12项指标
硬件自检：上电自检时间＜2秒，异常时触发LED报警
技术规格:GE DS3800NMEA1G1D
参数项规格描述
协议支持NMEA-0183（GPRMC/GPGGA/VTG等）、Modbus RTU、EtherNet/IP
接口配置2xRS-485（隔离）、1xGigabit Ethernet
处理器ARM Cortex-M7（主频200MHz）
存储容量256KB FIFO缓存+1MB Flash（可存储自定义协议规则）
工作温度-25℃～70℃
防护等级IP65（可选IP67防护罩）
IC693DNM200-BD
IC693DNM200-BD
Product brief description
GE DS3800NMEA1G1D is an extension module designed by General Electric(GE)for industrial communication protocol conversion,with core functions including:
NMEA-0183 protocol analysis:Supports data acquisition and format conversion of GPS,meteorological sensors and other devices
Multi-protocol adaptation:compatible with RS-232/RS-485 interface,can be extended to EtherNet/IP protocol
Industrial-grade environmental adaptation:Passed IP65 protection certification,adapted to wide temperature environments of-25℃~70℃
Product details
1.Hardware architecture and core functions
Protocol processing engine:
NMEA-0183 analysis:Support real-time analysis of standard data frames such as GPRMC,GPGGA,VTG,etc.
Custom protocol extension:can be upgraded through firmware to adapt to private protocols(such as the special protocol for ship navigation systems)
Signal interface design:
Dual channel RS-485:Supports full duplex communication,baud rate range 1200-115200 bps
Isolation protection:Optocoupler isolation design,anti-ESD interference capability up to 8kV
2.Communication and expansion capabilities
Protocol conversion mechanism:
NMEA to Modbus:Convert GPS coordinates,heading and other data into Modbus register value
Industrial Ethernet interface:Supports EtherNet/IP protocol to realize real-time data interaction with PLC
Data cache and synchronization:
256KB FIFO cache:prevent data loss(support burst traffic>1000 frames/sec)
Time synchronization accuracy:GPS timestamp and PLC system time error<1ms
3.Industrial-grade reliability design
Environmental adaptability:
Wide voltage power supply:24V DC(12-36V wide voltage input)
Vibration resistance test:Passed MIL-STD-810G 514.5 vibration standard(5-500Hz,0.01g²/Hz)
Troubleshooting system:
Communication status monitoring:Real-time display of 12 indicators such as link connection status and frame error rate
Hardware self-test:Power-on self-test time is less than 2 seconds,and LED alarm is triggered when abnormal
Technical specifications:GE DS3800NMEA1G1D
Parameters Specification Description
Protocol supports NMEA-0183(GPRMC/GPGGA/VTG,etc.),Modbus RTU,EtherNet/IP
Interface configuration 2xRS-485(isolated),1xGigabit Ethernet
Processor ARM Cortex-M7(main frequency 200MHz)
Storage capacity 256KB FIFO cache+1MB Flash(can store custom protocol rules)
Working temperature-25℃~70℃
Protection level IP65(optional IP67 protective cover)
