1746-IA8 是一款可编程逻辑控制器模块

1746-IA8 是一款可编程逻辑控制器模块

Allen-Bradley 1746-IA8 是一款可编程逻辑控制器模块。它是用于可编程控制器的 8 通道数字交流输入模块，具有通用输入应用。工作电压范围为 85 - 132V AC。控制器模块具有状态显示和开放式外壳。

控制器的隔离电压在通信电路上为500V DC，在背板上为1500V AC。安装是机箱类型，有 8 个通道。控制器模块的额定电压为 100 - 120V AC。它具有 32 - 140 华氏度的工作温度，并具有所有标准功能。1746-IA8 逻辑模块重 0.23 kg，尺寸为 5“ x 2” x 6“ （13 cm x 5 cm x 15 cm）。

1746-IA8 控制器模块的工作频率为 47 - 63 Hz。它的背板电流在50V时为5 mA，在0 V时为24 mA。该模块的标称输入电流在 12V AC 时达到 120 mA。zui大关断状态电流为2 mA，zui大浪涌电流持续时间为0.5 ms。信号开启延迟在 35 ms 时达到zui大值，信号关闭延迟在 45 ms 时zui大。它具有每点 0.27 瓦，zui小散热为 0.25 瓦，zui大散热为 2.4 瓦。它的zui大关断状态电压为 30V AC，zui大关断状态电流为 2 mA，浪涌电流zui大为 0.8 A。

1746-IA8 是一款可编程逻辑控制器模块

Allen-Bradley 1746-IA8 is a programmable logic controller module. It is an 8-channel digital AC input module for programmable controllers with universal input applications. Operating voltage range is 85-132 V AC. The controller module has status display and open housing.

The isolation voltage of the controller is 500V DC on the communication circuit and 1500V AC on the backplane. Installation is a chassis type with eight channels. The rated voltage of the controller module is 100-120 V AC. It has an operating temperature of 32-140 degrees Fahrenheit and has all the standard features. The 1746-IA8 logic module weighs 0.23 kg and measures 5 "x 2" x 6 "(13 cm x 5 cm x 15 cm).

1746-IA8 Controller modules operate at 47-63 Hz. Its backplane current is 5 mA at 50V and 24 mA at 0V. The module's nominal input current reaches 120 mA at 12V AC. The maximum turn-off current is 2 mA and the maximum surge current duration is 0.5 ms. The signal on delay reaches its maximum value at 35 ms and the signal off delay reaches its maximum value at 45 ms. It has 0.27 watts per point with a minimum heat dissipation of 0.25 watts and a maximum heat dissipation of 2.4 watts. Its maximum turn-off voltage is 30V AC, the maximum turn-off current is 2 mA, and the maximum surge current is 0.8 A.

1746-IA8 是一款可编程逻辑控制器模块

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