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產(chǎn)品介紹:
1756-OF8IK 模塊是由 Allen-Bradley 制造的 ControlLogix 隔離電壓/電流模擬輸出模塊。
其輸出范圍為 -10 至 10 伏和 0 至 20 毫安。它具有 8 個(gè)電流和電壓隔離點(diǎn)(36 個(gè)引腳),輸出阻抗為 46 歐姆。
它具有 16 位分辨率,其電流消耗為 200 毫安/直流 5.1 伏。
在 24 伏時(shí),其額定電流消耗為:220 毫安,250 歐姆負(fù)載(在電壓和電流模式下),僅適用于電流模式,其在 24 伏直流電下的電流消耗為 275 毫安,500 歐姆負(fù)載,340 毫安,750 歐姆負(fù)載,385 毫安,1000 歐姆負(fù)載。
1756-OF8IK 模塊在電壓模式下的總背板功率為 6.3 瓦,在當(dāng)前模式下的總背板額定功率為 6.3 瓦(250 歐姆負(fù)載)、7.6 瓦(500 歐姆負(fù)載)、9.2 瓦(750 歐姆負(fù)載)和 10.2 瓦(1000 歐姆負(fù)載)。
1756-OF8IK 模塊的驅(qū)動(dòng)能力為 0 至 1000 歐姆(電流模式),它使用 IEEE-32 位浮點(diǎn)數(shù)據(jù)格式。
它采用R-Ladder DAC方法進(jìn)行模塊轉(zhuǎn)換,其模塊掃描時(shí)間為1毫秒。
它設(shè)計(jì)用于與 Allen-Bradley 1756-TBCH 和 1756-TBS6H 可拆卸接線端子配合使用,其接線端子鍵控采用機(jī)械方式完成。1756-OF8IK 隔離式模擬輸出模塊的一些保護(hù)功能包括 -30 至 +30 V 的過壓保護(hù)、短路檢測(cè)和開路檢測(cè)。
該裝置經(jīng)過保形涂層,可承受惡劣環(huán)境,其安裝的推薦電線尺寸為 22 至 14 AWG,額定溫度為 90 攝氏度或更高。

1756-OF8IK
英語介紹:
The 1756-OF8IK module is a ControlLogix isolated voltage/current analog output module manufactured by Allen-Bradley.
Its output ranges from -10 to 10 volts and 0 to 20 MA. It has 8 current and voltage isolation points (36 pins) and an output impedance of 46 ohms.
It has a 16-bit resolution and its current consumption is 200 MA / 5.1 volts DC.
At 24 volts, its rated current consumption is: 220 mA, 250 ohms load (in voltage and current mode), suitable for current mode only, its current consumption at 24 volts DC is 275 mA, 500 ohms load, 340 MA, 750 ohms load, 385 mA, 1000 ohms load.
The 1756-OF8IK module has a total backplane power of 6.3 watts in voltage mode and a total backplane power rating of 6.3 watts (250 ohm load), 7.6 watts (500 Ohm load), 9.2 watts (750 ohm load) and 10.2 watts (1000 ohm load) in current mode.
The 1756-OF8IK module has a drive capability of 0 to 1000 ohms (current mode), and it uses the IEEE-32-bit floating-point data format.
It uses the R-Ladder DAC method for module conversion with a module scan time of 1 millisecond.
It is designed to work with Allen-Bradley 1756-TBCH and 1756-TBS6H detachable terminal terminals, and its terminal keying is mechanically accomplished. Some of the protection features of the 1756-OF8IK isolated analog output module include overvoltage protection from -30 to +30 V, short circuit detection and open circuit detection.
The unit is conformal coated to withstand harsh environments and is installed with a recommended wire size of 22 to 14 AWG and a temperature rating of 90 degrees Celsius or higher.
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