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? 產(chǎn)品細節(jié)：1734-OB8E 點I/O模塊 用于實現(xiàn)分布式I/O架構
1734-OB8E是一個點I/O模塊，具有八(8)個電子保護離散輸入通道。該模塊由Allen-Bradley公司制造，主要用于實現(xiàn)分布式I/O架構。
1734 POINT I/O產(chǎn)品公告是具有緊湊和節(jié)省空間設計的緊湊、低密度I/O模塊。這些是成本效益高的模塊，需要最小的面板空間，并支持標準DIN導軌安裝。具體來說，1734-OB8E與所有點I/O通信適配器和Allen-Bradley控制器平臺兼容，特別是Logix產(chǎn)品系列，無論是CompactLogix還是ControlLogix控制器。1734-OB8E的輸出通道通過主控制器根據(jù)特定工業(yè)協(xié)議發(fā)送的控制命令通電。
1734-OB8E離散輸入通道配有一組離散輸出通道。它的源輸出范圍為10-28.8 VDC，輸出電流額定值為每個輸出1.0 A，每個模塊2.0 A。它的浪涌電流額定值為2安，持續(xù)10毫秒，每3秒重復一次。它有8個黃色輸出狀態(tài)；8個紅色輸出故障指示燈和2個綠色/紅色模塊/網(wǎng)絡狀態(tài)指示燈。適用于該模塊的端子底座為1734-TB或1734-TBS接線底座組件。
1734-OB8E需要75 mA @ 5V DC的點總線電流才能運行。它的功耗為2.0 W，功耗為6.8 BTU/hr，隔離電壓為50V(連續(xù))，加固絕緣型，在2500V DC下測試60秒，現(xiàn)場側至系統(tǒng)。該模塊需要外部電源電壓才能運行，額定電源電壓為24VDC。
1734-OB8E的尺寸為56.0 x 12.0 x 75.5毫米，信號端口在2.5 kHz時的EFT/B抗擾度額定值為4 kV。它具有6 kV接觸放電和8 kV空氣放電的ESD抗擾度。模塊有8個黃色輸出狀態(tài)指示燈，8個紅色輸出故障指示燈，以及2個綠色/紅色模塊和網(wǎng)絡狀態(tài)。Allen-Bradley 1734-OB8E的隔離電壓為連續(xù)50伏，經(jīng)測試可承受2500伏DC 60秒。模塊的按鍵開關位置為1，重量為35.4克。它還具有0.5毫安的關斷泄漏和28.8伏DC的關斷狀態(tài)電壓。每個通道的導通電流最小為1.0 mA，導通壓降為0.2伏DC。工作溫度范圍從-20攝氏度到55攝氏度。
1734-OB8E的輸出額定值為每個輸出2.0安培，每個模塊不超過4.0安培。在5伏DC下，點總線電流值為75 mA，輸出信號從關到開和從開到關的延遲時間值為0.1毫秒。1734-OB8E在28.8伏DC下的功耗為2.0瓦。該型號的輻射射頻抗擾度在1890 MHz時為10 V/m，200赫茲50%脈沖99%調(diào)幅，900 MHz時為10 V/m，30 MHz至2000 MHz時為10 V/m，1 kHz正弦波80%調(diào)幅。它的相對濕度范圍為5%至95%,無冷凝。其工作沖擊為30 G，非工作沖擊為50G。1734-OB8E的存儲溫度范圍為-40至85攝氏度，可提供32 mA的電流。信號端口上的電流瞬變抗擾度為1 kV線-線(DM)和2 kV線-地(CM ), 28.8伏DC下的散熱量為6.8 BTU/小時。
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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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