描述
修复检测电路，运行试机，轻载正常。但轻载输出正常，并不代表输出就正常了，脉冲丢失同样轻载正常且转速均匀有力。这时要调试软件，将励磁禁止，启动，监控0911参数，提示321dd，同时调速器跳出f517故障。根据诊断提示，确定脉冲驱动组，用示波器测输出脉冲，果然v相模块上桥无驱动脉冲。，这就好办了，可以根据故障点反向查找，最后确认主控板驱动三极管性能不良！换新，故障排除。
REXROTH VT3024 PROPORTIONAL AMPLIFIER CARD VT3024S34-R1
Rexroth VT5003 42/R1E Hydraulic Proportional Amplifier
Rexroth Prop Amplifier VT5011
REXROTH VT-3002-20/32 USPP VT30022032
REXROTH VT3017 536 R1
MANNESMANN REXROTH VT-3002 USPP VT3002
Rexroth Mannesmann VT-3002 Card Connector Base VT3002
Rexroth VT3024S35 R1 Prop Amplifier #VT 3024 VT3024
Rexroth VT3024S34 R1 Prop Amplifier #VT 3024 VT3024
Rexroth Proportional Valve With Holder NEW # VT-3002
Rexroth Card Stand Connector Base VT3002 #15467
