1734-OB8E 点I/O模块 用于实现分布式I/O架构

1734-OB8E是一个点I/O模块,具有八(8)个电子保护离散输入通道。该模块由Allen-Bradley公司制造,主要用于实现分布式I/O架构。

1734 POINT I/O产品公告是具有紧凑和节省空间设计的紧凑、低密度I/O模块。

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▷ 产品细节:1734-OB8E 点I/O模块 用于实现分布式I/O架构

1734-OB8E是一个点I/O模块,具有八(8)个电子保护离散输入通道。该模块由Allen-Bradley公司制造,主要用于实现分布式I/O架构。

1734 POINT I/O产品公告是具有紧凑和节省空间设计的紧凑、低密度I/O模块。这些是成本效益高的模块,需要最小的面板空间,并支持标准DIN导轨安装。具体来说,1734-OB8E与所有点I/O通信适配器和Allen-Bradley控制器平台兼容,特别是Logix产品系列,无论是CompactLogix还是ControlLogix控制器。1734-OB8E的输出通道通过主控制器根据特定工业协议发送的控制命令通电。

1734-OB8E离散输入通道配有一组离散输出通道。它的源输出范围为10-28.8 VDC,输出电流额定值为每个输出1.0 A,每个模块2.0 A。它的浪涌电流额定值为2安,持续10毫秒,每3秒重复一次。它有8个黄色输出状态;8个红色输出故障指示灯和2个绿色/红色模块/网络状态指示灯。适用于该模块的端子底座为1734-TB或1734-TBS接线底座组件。

1734-OB8E需要75 mA @ 5V DC的点总线电流才能运行。它的功耗为2.0 W,功耗为6.8 BTU/hr,隔离电压为50V(连续),加固绝缘型,在2500V DC下测试60秒,现场侧至系统。该模块需要外部电源电压才能运行,额定电源电压为24VDC。

1734-OB8E的尺寸为56.0 x 12.0 x 75.5毫米,信号端口在2.5 kHz时的EFT/B抗扰度额定值为4 kV。它具有6 kV接触放电和8 kV空气放电的ESD抗扰度。模块有8个黄色输出状态指示灯,8个红色输出故障指示灯,以及2个绿色/红色模块和网络状态。Allen-Bradley 1734-OB8E的隔离电压为连续50伏,经测试可承受2500伏DC 60秒。模块的按键开关位置为1,重量为35.4克。它还具有最大0.5毫安的关断泄漏和最大28.8伏DC的关断状态电压。每个通道的导通电流最小为1.0 mA,导通压降最大为0.2伏DC。工作温度范围从-20摄氏度到55摄氏度。

1734-OB8E的输出额定值为每个输出2.0安培,每个模块不超过4.0安培。在5伏DC下,点总线电流最大值为75 mA,输出信号从关到开和从开到关的延迟时间最大值为0.1毫秒。1734-OB8E在28.8伏DC下的最大功耗为2.0瓦。该型号的辐射射频抗扰度在1890 MHz时为10 V/m,200赫兹50%脉冲100%调幅,900 MHz时为10 V/m,30 MHz至2000 MHz时为10 V/m,1 kHz正弦波80%调幅。它的相对湿度范围为5%至95%,无冷凝。其工作冲击为30 G,非工作冲击为50G。1734-OB8E的存储温度范围为-40至85摄氏度,可提供32 mA的电流。信号端口上的电流瞬变抗扰度为1 kV线-线(DM)和2 kV线-地(CM ), 28.8伏DC下的最大散热量为6.8 BTU/小时。

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1734-OB8E

The 1734-OB8E is a POINT I/O module which features Eight (8) electronically, protected discrete input channels. This module is manufactured by Allen-Bradley that is primarily used for implementing distributed I/O architecture.

The 1734 POINT I/O product bulletin are compact, low-density I/O modules with compact and space saving design. These are cost-effective modules that requires minimum panel space and supports standard DIN rail mounting. Specifically, the 1734-OB8E is compatible with all POINT I/O communication adapters and Allen-Bradley controller platforms, specifically, the Logix product family, whether CompactLogix and ControlLogix controllers. Output channels of the 1734-OB8E is energized via the control command sent by the master controller over a specific industrial protocol.

The 1734-OB8E discrete input channels comes with a single group of discrete output channels. It has a sourcing output range of 10-28.8 VDC with output current rating of 1.0 A per output, and 2.0 A per module. It has a Surge current rating of 2 A for 10 ms, repeatable every 3 s. It has 8 yellow – output status; 8 red – output fault indicators and 2 green/red – module/network status indicators. Appropriate terminal bases for use with this module are 1734-TB or 1734-TBS wiring base assembly.

The 1734-OB8E requires a POINTBus current of 75 mA @ 5V DC to operate. It has a power dissipation of 2.0 W and power dissipation of 6.8 BTU/hr with isolation voltage of 50V (continuous), reinforced insulation type Tested @ 2500V DC for 60 s, field-side to system. This module requires an external supply voltage to operate, designed for a nominal voltage supply of 24VDC.

The 1734-OB8E has dimensions of 56.0 x 12.0 x 75.5 millimeters and an EFT/B immunity rating of ±4 kV at 2.5 kHz on signal ports. It has an ESD immunity rating of 6 kV contact discharges and 8 kV air discharges. The module has 8 yellow output status indicator lights, 8 red output fault indicators, and 2 green/red module and network statuses. The Allen-Bradley 1734-OB8E’s isolation voltage is 50 Volts continuous, tested to withstand 2500 Volts DC for 60 seconds. The module’s keyswitch position is 1 and weighs 35.4 grams. It also has an off-leakage at a maximum of 0.5mA and off-state voltage 28.8 Volts DC maximum. It has an on-state current of 1.0 mA minimum per channel with an on-state voltage drop of 0.2 Volts DC maximum. The operational temperature ranges from -20 to 55 degrees Celsius.

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