基本細(xì)節(jié):1746-N2 高密度低電流直流輸出模塊 兼容安裝在 1746 機(jī)箱的任何可用插槽中

1746-N2 是 Allen-Bradley 的 32 通道數(shù)字輸出模塊。它是一款高密度低電流直流輸出模塊，兼容安裝在 1746 機(jī)箱的任何可用插槽中，插槽 0 除外。它提供的電壓輸出為 24V DC。1746-OB32 有 32 個輸出，每個公共點 16 個點，其源電流工作電壓范圍在 5 至 50V DC 之間。1746-OB32 模塊在 5V DC 時吸收 0.19A 的背板電流，并提供在 1500V AC 下測試的輸出電路隔離 1 分鐘。它在ON模式下的最大信號延遲時間為0.1ms，在OFF模式下的最大信號延遲時間為1ms，在OFF狀態(tài)下的最大電路漏電流為1mA。
1746-N2在 0-60 攝氏度時每個輸出點的標(biāo)稱電流為 0.25A，每個輸出通道的最小電流負(fù)載為 1mA。該模塊的平均標(biāo)稱電流為 8A，每個公共點的平均電流為 2A。在ON狀態(tài)下，電路中的最大電壓損耗為1.2V，電流為0.5A，每個輸出點的浪涌為1.0A，持續(xù)1ms，每2s可重復(fù)一次，每點功耗為0.172W，模塊總散熱為6.45W。1746-OB32 的工作溫度范圍在 0 到 60 度之間。攝氏（32 和 140 華氏度）在 5-95% 的非冷凝濕度下，在 10-200Hz 時分別可承受 30G 和 2.5G 的工作沖擊和振動。它擁有 C-UL 和 UL 列名的工業(yè)控制設(shè)備，適用于 I 類 2 區(qū) A、B、C、D 組危險場所認(rèn)證，并符合 NEMA 標(biāo)準(zhǔn) ICS 2-230 抗噪性。
1746-N2 是一款三十二 （32） 通道離散輸入模塊，由 Allen-Bradley 為 SLC 500 控制器平臺制造。
該模塊主要用于為分立設(shè)備（如指示燈、蜂鳴器、喇叭、警報器）和驅(qū)動設(shè)備（如螺線管、電機(jī)和其他設(shè)備）通電或驅(qū)動。該模塊的輸出電壓為 24VDC，如果它們在 5-30VDC 的工作電壓范圍內(nèi)，則可以直接連接到上述設(shè)備。如果輸出設(shè)備與直流輸出不兼容，特別是如果它在交流電壓下工作，則該模塊仍可以通過實現(xiàn)插入功能來使用。通過插接，帶有 24VDC 線圈的繼電器是連接到該模塊的負(fù)載。常開 （N.O） 或常閉 （N.C.） 觸點連接到交流電壓tage.在存在電氣噪聲的舊有線系統(tǒng)中，插孔也可用作外部模塊隔離。這可以保護(hù)模塊免受外部損壞或由于未記錄的維修和修改導(dǎo)致的舊系統(tǒng)接地和接線不良而導(dǎo)致的不良行為。
該模塊隨附一個可拆卸接線端子 （RTB）、八進(jìn)制門標(biāo)簽、一個專用于每個通道的 32 個 LED 燈和一個顯示部件號的顏色編碼模塊欄。艾倫-布拉德利制造了 1746-N3 或 1492 布線系統(tǒng)。這些連接器或接線系統(tǒng)與此模塊兼容，以確保正確端接和使用時足夠的電線尺寸 這也防止了預(yù)組裝的不當(dāng)接線，并確保模塊門能夠覆蓋端子接線。也可以使用其他電線，但是，大尺寸的電線會過度占用前面板，這將使即使關(guān)閉模塊門也難以進(jìn)行故障排除。

1746-N2

The 1746-N2 is a 32-channel digital output module for Allen-Bradley. It is a high density low current DC output module compatible for installation in any available slot in the 1746 chassis except slot 0. It provides a voltage output of 24V DC. The 1746-OB32 has 32 outputs, 16 points per common point, and its source current operates at a voltage range between 5 and 50V DC. The 1746-OB32 module absorbs 0.19A backplane current at 5V DC and provides isolation of the output circuit tested at 1500V AC for 1 minute. Its maximum signal delay time in ON mode is 0.1ms, the maximum signal delay time in OFF mode is 1ms, and the maximum circuit leakage current in OFF state is 1mA.
1746-N2 has a nominal current of 0.25A per output point at 0-60 degrees Celsius and a minimum current load of 1mA per output channel. The module has an average nominal current of 8A and an average current of 2A at each common point. In the ON state, the maximum voltage loss in the circuit is 1.2V, the current is 0.5A, the surge at each output point is 1.0A, lasts for 1ms, can be repeated every 2s, the power consumption at each point is 0.172W, and the total heat dissipation of the module is 6.45W. The 1746-OB32 operates in a temperature range between 0 and 60 degrees. Celsius (32 and 140 degrees Fahrenheit) can withstand 30G and 2.5G operating shock and vibration respectively at 10-200Hz at 5-95% non-condensing humidity. It has C-UL and UL-listed industrial control equipment for Class I, Zone 2, Group A, B, C, D hazardous site certification and complies with NEMA standard ICS 2-230 noise resistance.
The 1746-N2 is a 32 (32) channel discrete input module manufactured by Allen-Bradley for the SLC 500 controller platform.
The module is primarily used to energize or drive discrete devices (such as indicators, buzzers, horns, alarms) and drive devices (such as solenos, motors, and other devices). The module has an output voltage of 24VDC and can be directly connected to the above devices if they are in the operating voltage range of 5-30VDC. If the output device is not compatible with the DC output, especially if it operates at AC voltage, the module can still be used by implementing the insertion function. By plugging, a relay with a 24VDC coil is connected to the load of this module. Normally open (N.O) or normally closed (N.C.) contacts are connected to the AC voltage tage. In older wired systems with electrical noise, jacks can also be used for external module isolation. This protects the module from external damage or bad behavior caused by poor grounding and wiring of the old system due to undocumented repairs and modifications.
The module comes with a detachable terminal (RTB), octal door label, 32 LED lights dedicated to each channel, and a color-coded module bar that displays the part number. Allen Bradley manufactured the 1746-N3 or 1492 wiring system. These connectors or wiring systems are compatible with this module to ensure proper termination and adequate wire size when used. This also prevents improper wiring from being pre-assembled and ensures that the module doors can cover the terminal wiring. Other wires can also be used, however, large sized wires will overoccupy the front panel, which will make troubleshooting difficult even if the module door is closed.

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