描述

1791DS-IB8XOB8 保護I/O 16點數(shù)字梳模塊

目錄號為1791DS-IB8XOB8的Guard I/O DeviceNet安全模塊是一種具有固態(tài)輸出的安全輸出模塊。該模塊具有嵌入式I/O模塊，如八(8)安全輸入，八(8)固態(tài)輸出和四(4)測試輸出。

1791DC-IB8XOB8模塊帶有一個防護等級為20的外殼。它可以用于需要安全完整性級別(SIL) 3的應(yīng)用程序。它符合IEC 61508標(biāo)準(zhǔn)和EN 954-1中規(guī)定的安全類別4。

安全輸入設(shè)計用于Sink接線配置，最小On狀態(tài)電壓為11VDC，輸入電流為6ma。測試輸出通道支持源配置，額定輸出電流為0.7A，最大剩余電壓為1.2V，最大泄漏電流為0.1 mA。安全輸出也支持源布線，額定輸出電流0.5A，最大剩余電壓1.2V，最大泄漏電流0.1 mA。

1791DC-IB8XOB8內(nèi)置自診斷功能和配置鎖功能。該模塊的集成I/O狀態(tài)數(shù)據(jù)提供有關(guān)單個點輸入狀態(tài)，組合輸入狀態(tài)，單個點輸出狀態(tài)，組合輸出狀態(tài)，單個測試輸出狀態(tài)和單個輸出回讀(輸出的實際開/關(guān)狀態(tài))的信息。

艾倫-布拉德利1791DS-IB8XOB8 CompactBlock是一款DeviceNet保護組合模塊，具有20.4至26.4伏直流I/O電源電壓(標(biāo)稱電壓為24伏直流)，11至25伏直流通信電源電壓和24伏直流110毫安電流消耗。

該模塊具有8個安全輸入，4個測試輸出和8個固態(tài)安全輸出，以及安裝的單個狀態(tài)指示燈。該模塊的輸入為電流下沉型輸入，輸入電流為6安培，最大斷開電流為1ma。1791DS-IB8XOB8的導(dǎo)通狀態(tài)最小輸入電壓為11伏直流。1791DS-IB8XOB8&s最大斷態(tài)輸入電壓為5伏直流。該模塊的電流源測試輸出具有0.1 mA的最大泄漏電流，0.7安培的額定輸出電流和1.2伏的最大剩余電壓。另一方面，1791DS-IB8XOB8模塊的電流源安全輸出相同，最大泄漏電流為0.1 mA，最大剩余電壓為1.2伏，額定輸出電流為0.5安培。

Allen-Bradley 1791DS-IB8XOB8是實現(xiàn)DeviceNet安全協(xié)議的防護I/O模塊。它的工作溫度在-10到55攝氏度(14到131華氏度)之間，儲存和運輸?shù)臏囟确秶?40到70攝氏度(-40到158華氏度)之間，周圍的非冷凝相對濕度為5%到95%。它的振動等級為5G，頻率為10至500赫茲，頻率為0.35毫米，最大運行沖擊等級為15G。1791DS-IB8XOB8模塊重量為420克(0.93磅)，尺寸為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 保護I/O 16點數(shù)字梳模塊

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).

 

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