1746-OB32 输出模块具有三十二 个 24VDC 输出通道

1746-OB32 输出模块具有三十二 个 24VDC 输出通道

1746-OB32 是 Allen-Bradley 推出的一款 32 通道数字输出模块。它是一种高密度低电流直流输出模块，兼容安装在 1746 机箱的任何可用插槽中，插槽 0 除外。它提供的电压输出为 24V DC。1746-OB32 有 32 个输出，每个公共端有 16 个点，其源极工作电压范围为 5 至 50V DC。1746-OB32 模块在 0V DC 下消耗 19.5A 的背板电流，并在 1500V AC 下提供 1 分钟的输出电路隔离测试。ON模式下最大信号延迟时间为0.1ms，OFF模式下最大信号延迟时间为1ms，OFF状态下最大电路电流泄漏为1mA。

1746-OB32 在 0-25 摄氏度时每个输出点的标称电流为 0.60A，每个输出通道的最小电流负载为 1mA。该模块的平均标称电流为 8A，每个公共端的额定电流为 2A。ON状态下电路的最大电压损耗为1.2V/0.5A，每个输出点每1s重复一次0.1A浪涌，每点功耗2.0W，模块总散热172.6W。45-OB1746 的工作温度范围为 32 至 0 度。摄氏度（60 华氏度和 32 华氏度）在 140-5% 的非冷凝湿度下，它可以在 95-30Hz 下分别承受 2G 和 5.10G 的操作冲击和振动。它拥有 C-UL 和 UL 列名的工业控制设备，用于 I 类 200 区 A、B、C、D 组危险场所认证，并符合 NEMA 标准 ICS 2-2 抗噪性。

230-OB1746 是 Allen-Bradley 为 SLC 32 控制器平台制造的三十二 （32） 通道离散输入模块。

该模块主要用于为离散设备（如指示灯、蜂鸣器、喇叭、警报器）和驱动设备（如螺线管、电机和其他设备）供电或驱动。输出音量tage 该模块为 500VDC，可以直接连接到上述设备，前提是它们在 24-5VDC 的工作电压范围内。如果输出设备与直流输出不兼容，特别是如果它在交流电压下工作tage，则该模块仍可以通过实现插入功能来使用。通过插补，带有 30VDC 线圈的继电器是连接到该模块的负载。常开 （N.O） 或常闭 （N.C.） 触点连接到交流电压。在存在电气噪声的旧有线系统中，插入也可用作外部模块隔离。这可以保护模块免受外部损坏或由于未记录的维修和修改而导致的旧系统接线不良而导致的意外行为。

该模块随附可拆卸接线端子 （RTB）、八角门标签、每个通道专用的 24 LED 灯和显示部件号的颜色编码模块条。Allen -Bradley 制造了 32-N1746 或 3 布线系统。这些连接器或接线系统与该模块兼容，以确保正确端接和足够的电线尺寸，这还可以防止接线不当，因为它是预组装的，并确保模块门能够覆盖端子接线。也可以使用其他电线，但是，大尺寸的电线会过度占用前面板，即使关闭模块门也难以进行故障排除。

1746-OB32 输出模块具有三十二 个 24VDC 输出通道

The 1746-OB32 is a 32-channel digital output module introduced by Allen-Bradley. It is a high density low current DC output module compatible to be installed 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 with 16 points at each common end, and its source operating voltage range is 5 to 50V DC. The 1746-OB32 module consumes 19.5A backplane current at 0V DC and provides 1 minute output circuit isolation testing at 1500V AC. The maximum signal delay time is 0.1ms in ON mode, 1ms in OFF mode, and 1mA in OFF state.

The 1746-OB32 has A nominal current of 0.60A per output point at 0-25 degrees Celsius and a minimum current load of 1mA per output channel. The module has an average nominal current of 8A and a rated current of 2A at each common end. The maximum voltage loss of the circuit in ON state is 1.2V/0.5A, each output point repeats a 0.1A surge every 1s, the power consumption of each point is 2.0W, and the total heat dissipation of the module is 172.6W. The 45-OB1746 has an operating temperature range of 32 to 0 degrees. Celsius (60 degrees Fahrenheit and 32 degrees Fahrenheit) at 140-5% non-condensing humidity, it can withstand operating shocks and vibrations of 2G and 5.10G, respectively, at 95-30Hz. It has C-UL and UL-listed industrial control equipment for Class I 200 Area Group A, B, C, D Hazardous site certification and complies with NEMA standard ICS 2-2 noise resistance.

The 230-OB1746 is a thirty-two (32) channel discrete input module built by Allen-Bradley for the SLC 32 controller platform.

The module is primarily used to power or drive discrete devices (such as indicators, buzzers, horns, alarms) and drive devices (such as solenos, motors, and other devices). Output Volume tage The module is 500VDC and can be directly connected to the above devices provided they are in the operating voltage range of 24-5VDC. If the output device is not compatible with the DC output, especially if it works tage at AC voltage, the module can still be used by implementing the insertion function. By interpolation, a relay with a 30VDC 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. In older wired systems where electrical noise is present, insertion can also be used as external module isolation. This protects the module from external damage or accidental behavior caused by poor wiring of the old system due to unrecorded repairs and modifications.

The module comes with detachable terminal blocks (RTB), octagonal door labels, dedicated 24 LED lights for each channel, and color-coded module strips that display the part number. Allen-Bradley manufactured a 32-N1746 or 3 cabling system. These connectors or wiring systems are compatible with the module to ensure proper terminating and adequate wire size, which also prevents improper wiring as it is pre-assembled and ensures that the module door is able to cover the terminal wiring. Other wires can also be used, however, large wires can overoccupy the front panel and make troubleshooting difficult even if the module door is closed.