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Genuine Allen-Bradley 1794-AENTR - Industrial Automation Part
Allen-Bradley 1794-AENTR - Front Panel and Connectivity View
Genuine Allen-Bradley 1794-AENTR - Industrial Automation Part
Allen-Bradley 1794-AENTR - Front Panel and Connectivity View
Home / Allen-Bradley

Allen-Bradley 1794-AENTR EtherNet/IP Adapter | FLEX I/O

  • Genuine Allen-Bradley 1746-OW16/C SLC 500 - Industrial Automation Part
  • Genuine Allen-Bradley 2711P-RP9DK - Industrial Automation Part

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SKU: 1794-AENTR Category: Allen-Bradley Tags: 1794-AENTR, Allen-Bradley, ethernet-ip, FLEX I/O, rockwell-automation
  • Genuine Allen-Bradley 1746-OW16/C SLC 500 - Industrial Automation Part
  • Genuine Allen-Bradley 2711P-RP9DK - Industrial Automation Part
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  • Description

Allen-Bradley 1794-AENTR – EtherNet/IP Adapter Module | FLEX I/O Platform

工程背景:在现代离散制造与过程控制系统中,现场 I/O 与控制器之间的实时通信可靠性直接决定产线稳定性。Allen-Bradley 1794-AENTR 作为 FLEX I/O 平台的核心通信节点,通过标准 EtherNet/IP 协议将分布式 I/O 模块无缝接入 Logix 控制架构,是工厂以太网化改造与新建项目的首选适配器。

产品定位:1794-AENTR 专为需要高速、确定性以太网通信的工业应用设计,支持 DLR(设备级环网)拓扑,提供冗余网络路径,显著降低单点故障风险。适用于汽车、食品饮料、生命科学、油气及一般制造等行业的分布式控制系统。

Complete Technical Specifications

Part Number 1794-AENTR
Manufacturer Allen-Bradley / Rockwell Automation
Product Series FLEX I/O
Communication Protocol EtherNet/IP (CIP)
Network Topology Linear, Star, Device Level Ring (DLR)
Ethernet Ports 2 × RJ-45 (10/100 Mbps, Auto-negotiate)
Max I/O Modules per Bank 8 modules
Max I/O Points 128 digital / 64 analog (per bank)
RPI (Requested Packet Interval) Minimum 1 ms
Power Supply Voltage 24V DC (via FLEX I/O power supply)
Current Consumption 500 mA @ 5V DC (backplane)
Operating Temperature 0°C to +55°C (32°F to 131°F)
Storage Temperature -40°C to +85°C
Relative Humidity 5% to 95% (non-condensing)
Enclosure Rating IP20 (panel mount)
Dimensions (H × W × D) 94 mm × 35 mm × 87 mm
Weight 240 g
Certifications UL, CE, C-Tick, ATEX (Zone 2)
Compatible Controllers ControlLogix, CompactLogix, SoftLogix (Studio 5000 / RSLogix 5000)
Firmware Upgrade Supported via BootP/DHCP or RSLinx

Proven Application Environments

  • Automotive Assembly Lines:DLR 环网拓扑确保传送带、焊接机器人与视觉检测站的实时 I/O 通信不中断。
  • 食品饮料灌装产线:IP20 面板安装配合不锈钢控制柜,满足 GMP 洁净区域部署要求。
  • 油气管道监控:ATEX Zone 2 认证支持潜在爆炸性气体环境下的安全部署。
  • 制药批次控制:与 ControlLogix 冗余系统配合,满足 FDA 21 CFR Part 11 审计追踪要求。
  • 水处理与公用工程:宽温度范围与高湿度耐受性适合户外控制柜应用。
  • 仓储物流分拣系统:最小 1 ms RPI 满足高速分拣机的确定性控制需求。

Engineering Advantages

  • DLR 冗余网络:双 RJ-45 端口支持设备级环网,单链路断路后自动切换,恢复时间 <3 ms,无需额外交换机。
  • 无缝 Logix 集成:通过 Studio 5000 Add-On Profile (AOP) 实现即插即用配置,减少工程调试时间。
  • 模块化扩展:单适配器最多支持 8 个 FLEX I/O 模块,混合数字/模拟/特殊功能模块自由组合。
  • 在线固件升级:支持不停机固件更新,降低维护窗口需求。
  • 紧凑型设计:35 mm 超薄宽度节省控制柜空间,适合密集布线场景。
  • 广泛认证体系:UL/CE/ATEX 多重认证,满足全球项目合规要求。

System Architecture & Signal Flow

1794-AENTR 在 EtherNet/IP 网络中作为 Adapter(从站) 运行,由 ControlLogix / CompactLogix 控制器(Scanner)发起周期性 I/O 连接:

  1. 网络层:控制器通过工业以太网交换机或 DLR 环网连接至 1794-AENTR 的 Port 1 / Port 2。
  2. 适配器层:1794-AENTR 接收控制器的输出数据(Output Assembly),并将 I/O 模块采集的输入数据(Input Assembly)实时回传。
  3. 背板总线:适配器通过 FLEX I/O 背板与最多 8 个 I/O 模块通信,背板通信速率 500 kbps。
  4. 现场信号:各 I/O 模块连接传感器、执行器、变送器等现场设备,完成信号采集与控制输出。

推荐配套模块:1794-IB16(16点数字输入)、1794-OB16(16点数字输出)、1794-IE8(8通道模拟输入)、1794-OE4(4通道模拟输出)。

Sourcing & Quality Verification

  • 货源:Konmask.com 直接从授权分销商及可信赖的工业剩余物资渠道采购,确保原厂正品。
  • 检验流程:每件产品经过外观检查、铭牌核验、序列号比对及功能通电测试(适用时)。
  • 包装:原厂包装或专业防静电工业包装,配备防震缓冲材料,确保运输安全。
  • 质量红线:拒绝翻新件、仿制品及来源不明产品;所有库存附带检验记录,可追溯。
  • 保修:提供 12 个月有限质保,DOA(到货即损)72 小时内免费换货。

Procurement Process

  1. 询价:通过网站在线询价表、邮件 support@konmask.com 或电话 +0086 19859288691 提交型号及数量需求。
  2. 报价确认:我们将在 1 个工作日内提供含货期、价格及运费的正式报价单(含 HKD/USD 双币种)。
  3. 下单付款:支持 T/T 电汇、信用卡(Visa/Mastercard)及 PayPal;大额订单可协商账期。
  4. 发货:现货订单 1-3 个工作日内发货,提供 DHL / FedEx / UPS 国际快递追踪号。
  5. 售后支持:技术工程师提供安装调试指导,Studio 5000 配置文件按需提供。

Technical FAQ

Q1:1794-AENTR 与 1794-AENT 有何区别?
A:1794-AENTR 支持 DLR(设备级环网)拓扑,具备网络冗余能力;1794-AENT 仅支持线型/星型拓扑,无冗余功能。新项目推荐选用 1794-AENTR。

Q2:是否兼容 RSLogix 5000 旧版本?
A:兼容 RSLogix 5000 v16.0 及以上版本;Studio 5000 v21.0+ 支持完整 AOP 功能。建议升级至最新固件以获得最佳兼容性。

Q3:单台 1794-AENTR 可支持多少个 EtherNet/IP 连接?
A:最多支持 4 个并发 CIP 连接(含 1 个 I/O 连接 + 3 个显式消息连接),满足多控制器访问需求。

Q4:如何设置 IP 地址?
A:支持 BootP、DHCP 或通过旋转拨码开关设置静态 IP(最后两位八进制)。推荐使用 Rockwell BOOTP/DHCP Server 工具进行初始配置。

Q5:是否可以在 ATEX Zone 1 环境使用?
A:不可以。1794-AENTR 仅获得 ATEX Zone 2 认证,Zone 1 爆炸性环境需选用经过 Ex d 或 Ex e 防护等级认证的专用设备。

Q6:备件库存紧张时如何处理?
A:Konmask.com 维护全球供应商网络,可协助寻源。同时可提供功能等效的替代型号建议(如 1794-AENTRXT 宽温版本)。


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Original Source: https://Konmask.com
Contact: support@konmask.com | +0086 19859288691

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