SIMATIC S7-300
（使用带 PROFIBUS DP 接口的 CPU 或 PROFIBUS DP CP）
SIMATIC S7-400
（使用带 PROFIBUS DP 接口的 CPU 或 PROFIBUS DP CP）
SIMATIC C7
（通过配有 PROFIBUS DP 接口的 C7，或通过 PROFIBUS DP CP）
SIMATIC S5-115U/H、S5-135U 和 S5-155U/H，带 IM 308
SIMATIC 505
出于性能原因，每条线路上连接的主站不得超过 2 个。
以下设备可作为从站连接：
ET 200 分布式 I/O 设备
S7-300，通过 CP 342-5
CPU 313C-2 DP，CPU 314C-2 DP，CPU 314C-2 PN/DP，CPU 315-2 DP，CPU 315-2 PN/DP，CPU 317-2 DP，CPU 317-2 PN/DP 和 CPU 319-3 PN/DP
C7-633/P DP，C7-633 DP，C7-634/P DP，C7-634 DP，C7-626 DP，C7-635，C7-636
现场设备
虽然带有 STEP 7 的编程器/PC 或 OP 是总线上的主站，但是只使用 MPI 功能，另外通过 PROFIBUS DP 也可部分提供 OP 功能。

如果 CPU 发出状态信号 “DEFECTIVE” （所有 LED 闪烁），您可以选择保存信息以分析 CPU 状态。
此信息存储在诊断缓冲区及实际服务数据中。
选择“目标系统 -> 保存服务数据” (Target system -> Save service data) 命令读取该信息，并将数据保存到文件中以便转发给客户支持部门。
如果 CPU 处于 “DEFECTIVE” 状态（所有 LED 闪烁）下，请关闭电源再打开（关闭/打开电源）。

结果： CPU 现在处于 STOP 模式。

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