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产品介绍:
1756-OF8IK 模块是由 Allen-Bradley 制造的 ControlLogix 隔离电压/电流模拟输出模块。
其输出范围为 -10 至 10 伏和 0 至 20 毫安。它具有 8 个电流和电压隔离点(36 个引脚),输出阻抗为 46 欧姆。
它具有 16 位分辨率,其电流消耗为 200 毫安/直流 5.1 伏。
在 24 伏时,其额定电流消耗为:220 毫安,250 欧姆负载(在电压和电流模式下),仅适用于电流模式,其在 24 伏直流电下的电流消耗为 275 毫安,500 欧姆负载,340 毫安,750 欧姆负载,385 毫安,1000 欧姆负载。
1756-OF8IK 模块在电压模式下的总背板功率为 6.3 瓦,在当前模式下的总背板额定功率为 6.3 瓦(250 欧姆负载)、7.6 瓦(500 欧姆负载)、9.2 瓦(750 欧姆负载)和 10.2 瓦(1000 欧姆负载)。
1756-OF8IK 模块的驱动能力为 0 至 1000 欧姆(电流模式),它使用 IEEE-32 位浮点数据格式。
它采用R-Ladder DAC方法进行模块转换,其模块扫描时间为1毫秒。
它设计用于与 Allen-Bradley 1756-TBCH 和 1756-TBS6H 可拆卸接线端子配合使用,其接线端子键控采用机械方式完成。1756-OF8IK 隔离式模拟输出模块的一些保护功能包括 -30 至 +30 V 的过压保护、短路检测和开路检测。
该装置经过保形涂层,可承受恶劣环境,其安装的推荐电线尺寸为 22 至 14 AWG,额定温度为 90 摄氏度或更高。

1756-OF8IK
英语介绍:
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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