代码 ER70: PMC ADDRESS BLOCK OVERLAPPED BETWEEN I/O
问题描述与安全警告
Fanuc 30i/31i/32i CNC 触发了严重的 PMC ADDRESS BLOCK OVERLAPPED BETWEEN I/O 警报。需要由合格的操作员或维修技师立即处理，以防止在制造周期中对设备造成二次损坏或导致零件报废。在接触电气控制箱之前，请务必确保遵循标准安全和停机挂牌 (LOTO) 程序。
官方故障排除步骤
Link AND I/O Link i (PMCm X(Y)nnnn) (Note3) (1) Delete the relevant I/O Link i assignment or change the assignment address. (2) Change the PMC address block of the relevant I/O Link channel. (Machine signal interface setting) (3) Check the I/O Link communication mode. (Bit 0 or 1 of NC parameter No. 11933) (4) Check the setting of the I/O Link i assignment selection function. The I/O Link and I/O Link i are assigned to the same PMC address block.
Source: Fanuc Series 30i/31i/32i-A Maintenance Manual, Appendix A Alarm List — PMC alarms (B-64485EN/01)
Last reviewed: 2026-07-01 · Verified against the manufacturer’s official documentation.
关于 Fanuc 30i/31i/32i CNC 警报
由 Fanuc 制造的工业控制器具有广泛的诊断系统，用于保护内部电路和机械连杆。当 30i/31i/32i CNC 出现类似 ER70 的错误代码时，通常表示指令值与实际传感器反馈之间存在不匹配。
完整报警清单: 85 Fanuc 30i/31i/32i CNC 代码s.
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