KEBA E-CPU-186-B-12MHZ CPU模块
默认消息亮度设置点仅适用于具有较旧硬件版本的PQM，包括真空荧光显示器（VFD），而不是液晶显示器（LCD）。•显示滤波器常数：在电流和/或电压波动较大的应用中，可能需要显示滤波器。此设置点允许用户输入PQM过滤器常数，以平均所有计量值。如果DISPLAY FILTER CONSTANT（显示过滤器常数）设定值设置为1，PQM大约每400毫秒更新一次显示的计量值。因此，显示更新等于DISPLAY ILLTER CONTANT×400毫秒。要启用设定值访问，请按照下图中概述的步骤操作：PQM的出厂默认访问代码为1。如果三次尝试使用错误代码启用设置点访问，则设置点访问设置点的值将更改为禁用，必须重复上述步骤。一旦启用设置点访问，PROGRAM（程序）状态指示灯将亮起。只要PROGRAM状态指示灯保持亮起，就允许更改设置点。当达到S1 PQM SETUP\setpoint access\setpoint access on FOR（S1 PQM设置\设置点访问\设定点访问开启）中编程的时间时，将禁用设置点访问并关闭PROGRAM
The DEFAULT MESSAGE BRIGHTNESS setpoint is only applicable for PQMs with older hardware revisions that include a vacuum fluorescent display (VFD), not a liquid crystal display (LCD). • DISPLAY FILTER CONSTANT: Display filtering may be required in applications where large fluctuations in currents and/or voltages are normally present. This setpoint allows the user to enter the PQM filter constant to average all metered values. If the DISPLAY FILTER CONSTANT setpoint is set to 1, the PQM updates the displayed metered values approximately every 400 ms. Therefore, the display updating equals DISPLAY FILTER CONSTANT × 400 ms.To enable setpoint access, follow the steps outlined in the diagram below:The factory default access code for the PQM is 1. If three attempts are made to enable setpoint access with an incorrect code, the value of the SETPOINT ACCESS setpoint changes to DISABLED and the above procedure must be repeated. Once setpoint access is enabled, the PROGRAM status indicator turns on. Setpoint alterations are allowed as long as the PROGRAM status indicator remains on. Setpoint access is be disabled and the PROGRAM status indicator turns off when: • The time programmed in S1 PQM SETUP \ SETPOINT ACCESS \ SETPOINT ACCESS ON FOR is reached
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