1791DS-IB8XOB8 保护I/O 16点数字梳模块

Description

1791DS-IB8XOB8 保护I/O 16点数字梳模块

目录号为1791DS-IB8XOB8的Guard I/O DeviceNet安全模块是一种具有固态输出的安全输出模块。该模块具有嵌入式I/O模块，如八(8)安全输入，八(8)固态输出和四(4)测试输出。

1791DC-IB8XOB8模块带有一个防护等级为20的外壳。它可以用于需要安全完整性级别(SIL) 3的应用程序。它符合IEC 61508标准和EN 954-1中规定的安全类别4。

安全输入设计用于Sink接线配置，最小On状态电压为11VDC，输入电流为6ma。测试输出通道支持源配置，额定输出电流为0.7A，最大剩余电压为1.2V，最大泄漏电流为0.1 mA。安全输出也支持源布线，额定输出电流0.5A，最大剩余电压1.2V，最大泄漏电流0.1 mA。

1791DC-IB8XOB8内置自诊断功能和配置锁功能。该模块的集成I/O状态数据提供有关单个点输入状态，组合输入状态，单个点输出状态，组合输出状态，单个测试输出状态和单个输出回读(输出的实际开/关状态)的信息。

艾伦-布拉德利1791DS-IB8XOB8 CompactBlock是一款DeviceNet保护组合模块，具有20.4至26.4伏直流I/O电源电压(标称电压为24伏直流)，11至25伏直流通信电源电压和24伏直流110毫安电流消耗。

该模块具有8个安全输入，4个测试输出和8个固态安全输出，以及安装的单个状态指示灯。该模块的输入为电流下沉型输入，输入电流为6安培，最大断开电流为1ma。1791DS-IB8XOB8的导通状态最小输入电压为11伏直流。1791DS-IB8XOB8&s最大断态输入电压为5伏直流。该模块的电流源测试输出具有0.1 mA的最大泄漏电流，0.7安培的额定输出电流和1.2伏的最大剩余电压。另一方面，1791DS-IB8XOB8模块的电流源安全输出相同，最大泄漏电流为0.1 mA，最大剩余电压为1.2伏，额定输出电流为0.5安培。

Allen-Bradley 1791DS-IB8XOB8是实现DeviceNet安全协议的防护I/O模块。它的工作温度在-10到55摄氏度(14到131华氏度)之间，储存和运输的温度范围在-40到70摄氏度(-40到158华氏度)之间，周围的非冷凝相对湿度为5%到95%。它的振动等级为5G，频率为10至500赫兹，频率为0.35毫米，最大运行冲击等级为15G。1791DS-IB8XOB8模块重量为420克(0.93磅)，尺寸为80毫米x 196毫米x 77毫米(3.2英寸x 7.7英寸x 3英寸)。

1791DS-IB8XOB8

1791DS-IB8XOB8 保护I/O 16点数字梳模块

The Guard I/O DeviceNet Safety Module with catalog number 1791DS-IB8XOB8 is a safety output module with solid state outputs. This module has embedded I/O modules such as Eight (8) Safety Input, Eight (8) Solid State outputs and Four (4) Test Outputs.

The 1791DC-IB8XOB8 module comes with an enclosure with Ingress Protection (IP) 20 rating. It can be used in applications that require Safety Integrity Level (SIL) 3. It complies with the IEC 61508 standard, and Safety Category 4 as specified in the EN 954-1.

The safety inputs are designed for Sink wiring configuration with minimum On state voltage of 11VDC and input current of 6 mA. The Test output channels support sourcing configuration with rated output current of 0.7A with maximum residual voltage of 1.2V and maximum leakage current of 0.1 mA. The Safety outputs supports sourcing wiring as well, with rated output current of 0.5A, maximum residual voltage of 1.2V and maximum leakage current of 0.1 mA.

The 1791DC-IB8XOB8 has built-in Self-diagnostic functions and configuration lock feature. The module’s integrated I/O status data provide information regarding Individual Point Input Status, Combined Input Status, Individual Point Output Status, Combined Output Status, Individual Test Output Status, and Individual Output Readback (actual ON/OFF state of the outputs).

The Allen-Bradley 1791DS-IB8XOB8 CompactBlock is a DeviceNet guard combination module with a 20.4 to 26.4 Volts DC I/O power supply voltage (with a nominal voltage of 24 Volts DC), an 11 to 25 Volts DC communications power supply voltage and a 110-mA current consumption of at 24 Volts DC.

This module has 8 safety inputs, 4 test outputs, and 8 solid-state safety outputs, along with individual status indicators installed. The inputs of this module are current sinking input type with an input current of 6 Amps and a maximum off-state current of 1 mA. The 1791DS-IB8XOB8’s on-state minimum input voltage is 11 Volts DC. The 1791DS-IB8XOB8&s maximum off-state input voltage is 5 Volts DC. The current sourcing test outputs of this module come with a 0.1 mA maximum leakage current, a 0.7 Amps rated output current, and a 1.2 Volts maximum residual voltage. On the other hand, the current sourcing safety outputs of the of the 1791DS-IB8XOB8 module have the same maximum leakage current of 0.1 mA, the same residual voltage of 1.2 Volts at maximum, and a rated output current of 0.5 Amps.

The Allen-Bradley 1791DS-IB8XOB8 is a guard I/O module that implements DeviceNet safety protocol. It has an operational temperature between -10 and 55 degrees Celsius (14 and 131 degrees Fahrenheit) and is stored and shipped at a temperature range between -40 and 70 degrees Celsius (-40 and 158 degrees Fahrenheit) at a surrounding 5 to 95% non-condensing relative humidity. It has a vibration rating of 5G at 10 to 500 Hertz with 0.35 millimeters and a maximum operational shock rating of 15G. The 1791DS-IB8XOB8 module has a weight of 420 g (0.93 pounds) and dimensions of 80 millimeters x 196 millimeters x 77 millimeters (3.2 inches x 7.7 inches x 3 inches).