ABB DSAI133 57120001-PS模拟输入模块
•模拟输出参数–串行控制：当模拟输出参数设置为串行控制时，模拟输出反映的值与写入PQM内存映射中特定寄存器的串行值成比例。位置如下表所述•ANALOG in MAIN/ALT SELECT RELAY（模拟输入主/备用选择继电器）：选择用于将两个模拟输入信号多路复用到PQM的输出继电器。如果该设置点为OFF（关闭），则将使用MAIN（主）模拟输入设置点，除非激活分配给SELECT analog input（选择模拟输入）的开关输入。有关使用一个PQM输出继电器多路复用两个模拟输入的更多信息，请参阅第16页第2.2.6节：开关输入（可选）。•analog IN MAIN/ALT NAME（模拟输入MAIN/ALT名称）：此消息允许用户为MAIN和ALT模拟输入输入用户定义的20个字符的字母数字名称
• ANALOG OUTPUT PARAMETER – Serial Control: When the Analog Output parameter is set to Serial Control, the analog output(s) reflect a value in proportion to the serial value written to a specific register within the PQM memory map. The locations are as described in the table below • ANALOG IN MAIN/ALT SELECT RELAY: Select the output relay that is to be used to multiplex two analog input signals to the PQM. If this setpoint is OFF, the MAIN analog input setpoints will be used unless a switch input assigned to SELECT ANALOG INPUT is activated. For more information on multiplexing two analog inputs using one of the PQM output relays, refer to Section 2.2.6: Switch Inputs (Optional) on page –16.• ANALOG IN MAIN/ALT NAME: This message allows the user to input a user defined 20 character alphanumeric name for the MAIN and ALT analog inputs
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