9905-977 通电跳闸型号 203 超速保护 220V 交流输入
【产品详情】
伍德沃德 ProTech 9905-977 的通电跳闸型号 203 超速保护。220V 交流输入、可锁定外壳和跳闸警报
ProTech 203系统可以使用多种电源运行。该型号型号为 9905-977，是 220 Vac 版本（180–264 Vac，7.25 W 电压范围）。这款通电跳闸伍德沃德 ProTech 203 型号中的三个速度感应单元中的每一个都有一个单独的电源。
在选择安装型号 9905-977 的位置时，应考虑几个因素。该设备应安装在可以防止电磁干扰的地方，例如高压或大电流设备以及振动。显示器的工作温度范围应为 –25 至 +60 °C（–13 至 +140 °F），显示器的工作温度范围为 –15 至 +60 °C（+5 至 +140 °F）。伍德沃德 ProTech 203 手册 85195 包含有关该设备环境要求的更多信息。
磁性拾音器 （MPU） 用于每 5 毫秒采样一次。9905-977 超速保护系统具有 40 ms 的最大响应时间，用于速度采样和速度计算，如果检测到超速情况，则激活跳闸继电器。
如任何给定设备的 MPU 发生任何错误，该设备 的操作界面上将显示错误代码，并且 LED 将亮起。警报输出可用于某些错误。MPU 错误代码为 MPU >跳闸设定点、MPU 故障超时、 MPU 失败和无 MPU 信号。手册 85195 中提供了其他错误代码和故障排除信息。
9905-977 通电跳闸型号 203 超速保护 220V 交流输入
【英文介绍】
Woodward ProTech 9905-977 power-on trip type 203 overspeed protection. 220V AC input, lockable housing and trip alarm
The ProTech 203 system can operate with a variety of power supplies. The model number 9905-977 is 220 Vac version (180-264 Vac, 7.25 W voltage range). Each of the three speed sensing units in this power-on trip Woodward ProTech 203 model has a separate power supply.
Several factors should be considered when selecting the location for mounting model 9905-977. The device should be installed where electromagnetic interference can be protected, such as high-voltage or high-current devices and vibration. The operating temperature range of the display should be -25 to +60 °C (-13 to +140 °F) and the operating temperature range of the display should be -15 to +60 °C (+5 to +140 °F). Woodward ProTech 203 Manual 85195 contains more information about the environmental requirements for this device.
A magnetic pickup (MPU) is used to sample every 5 milliseconds. The 9905-977 overspeed protection system has a maximum response time of 40 ms for speed sampling and speed calculation, and activates the trip relay if overspeed is detected.
If any error occurs in the MPU of any given device, the device's operating interface will display the error code and the LED will light up. The alert output is available for some errors. The MPU error codes are MPU > Trip set point, MPU fault timeout, MPU failed, and no MPU signal. Additional error codes and troubleshooting information are provided in manual 85195.
9905-977 通电跳闸型号 203 超速保护 220V 交流输入
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