西门子 300512 检测到直接反馈（正反馈）
西门子 / 300512
SIMODRIVE 611D
检测到直接反馈（正反馈）
伺服驱动器
故障含义：The current rotor position and the position information read out by the encoder on ramp-up were compared with each other and a deviation of more than 45 degrees was found.
可能原因
检查与处理
资料来源：SINUMERIK 840D/840Di/810D Diagnostics Manual 11/2006 (EN, 西门子官网) 2.3 SIMODRIVE ALARMS