BCM-4075S,电流;100A
学员接手一台EDS1000型7.5G变频器，表现怪异：上电显示正常，从操作面板无法送入启、停和调速信号，修改了控制参数也无效。从端子送启、停与调速信号，面板FWD灯点亮，显示处于运行状态，但频率显示值为0，测U、V、W端子无输出电压。检查端子VCI、CCI、YCI等频率指令输入电路，均无问题，修改参数试图使变频器运行起来，无效。
分析判断，不像是硬件电路的问题，别是欠费停机了吧？
检查MCU主板的存储器型号为FM24C04A，手头有一同型号5.5G变频器，用编程器读出其内部数据后，写入7.5G变频器存储器，上电试机，操作运行正常。
施耐德模块：
140CPU11302
140CPU11302C
140CPU11303
140CPU11303C
140CPU31110
140CPU31110C
140CPU43412A
140CPU43412AC
140CPU43412U
140CPU43412UC
140CPU53414B
140CPU53414BC
140CPU65150
140CPU65160
140CPU67160
140CPU65260
140CPU65260C
140CPU65150C
140CPU65160C
140CPU67160C
140CHS11000
140CHS11000C
140CHS21000
140CHS21000C
140CHS32000
140CHS41010
140CHS41020
140SHS94500
990XCA65609
490NOR00003
490NOR00005
TSXMCPC002M
TSXMCPC512K
TSXMFPP001M
TSXMFPP002M
TSXMFPP004M
TSXMRPC001MC
TSXMRPC003MC
TSXMRPC007MC
TSXMRPF004M
140CPS11100
140CPS11100C
140CPS11420
140CPS11420C
140CPS12420
140CPS12420C
140CPS21100
140CPS21100C
140CPS21400
140CPS21400C
140CPS22400
140CPS22400C
140CPS41400
140CPS41400C
140CPS42400
140CPS42400C
140CPS51100
140CPS51100C
140CPS52400
140CPS52400C
140DAI34000
140DAI34000C
140DAI35300
140DAI35300C
140DAI44000
140DAI44000C
140DAI45300
140DAI45300C
140DAI54000
140DAI54000C
140DAI54300
140DAI54300C
140DAI55300
140DAI55300C
140DAI74000
140DAI74000C
140DAI75300
140DAI75300C
140DDI15310
140DDI15310C
140DDI35300
140DDI35300C
140DDI35310
140DDI35310C
140DDI36400
140DDI36400C
140DDI67300
140DDI67300C
140DDI84100
140DDI84100C
140DDI85300
140DDI85300C
140DII33000
140DII33000C
140DSI35300
140DSI35300C
140DAO84000
140DAO84000C
140DAO84010
140DAO84010C
140DAO84210
140DAO84210C
140DAO84220
140DAO84220C
140DAO85300
140DAO85300C
140DDO15310
140DDO15310C
140DDO35300
