6FC5203-0AF23-1AA0
6FC5203-0AF23-1AA0
6FC5203-0AF23-1AA0
SIMATIC S7-400H 具有以下功能：
出现故障时，能够无扰切换
集成故障检测功能；提前检测故障，避免影响生产过程
在线维护，即可在工厂运行期间，更换故障组件
组态更改，即可在工厂运行期间，进行工厂扩容
自动事件同步
高可用性通信
冗余连接I/O 设备
S7-400 PNH CPU的同步模块分为两种，一种用于最长10m 的 FOC patch 光纤，另一种用于最长10km 的单模全双工 LC/LC 光纤（9/125 μ）。
冗余系统的同步光纤分为1m、2m、10m 和10km 四种。同步速率达到400Mbps。
| 6FC5203-0AF22-1AA0 | 6FC5111-0BA41-0AA0 | 6FC5163-4AA01-4AF0 | 6FC5198-5AA00-0CP2 | 6FC5198-5AB40-0QP1 |
| 6FC5203-0AF22-1AA1 | 6FC5111-0BA42-0AA0 | 6FC5163-4AA01-4AU3 | 6FC5198-5AA00-0DP2 | 6FC5198-5AB40-0TP0 |
| 6FC5203-0AF23-1AA0 | 6FC5111-0BA43-0AA0 | 6FC5163-5AA01-1AF0 | 6FC5198-5AA00-0EP2 | 6FC5198-5CA00-0BG0 |
| 6FC5203-0AF50-3AA1 | 6FC5111-0BA44-0AA0 | 6FC5163-5AA01-1AG0 | 6FC5198-5AA00-0QP1 | 6FC5198-5CB00-0BG0 |
| 6FC5203-0AF50-4AA1 | 6FC5111-0BA45-0AA0 | 6FC5163-5AA01-1AG3 | 6FC5198-5AA00-0TP0 | 6FC5198-6AA00-0AP2 |
| 6FC5203-0AF50-5AA0 | 6FC5111-0BA46-0AA0 | 6FC5163-5AA01-1AU4 | 6FC5198-5AA10-0QP1 | 6FC5198-6AA00-0BP2 |
| 6FC5203-0AF50-6AA0 | 6FC5111-0BA47-0AA0 | 6FC5163-5FB01-2AF0 | 6FC5198-5AA10-0TP0 | 6FC5198-6AA00-0CP2 |
| 6FC5203-0AF52-2AA0 | 6FC5111-0BA50-0AA0 | 6FC5163-5FB01-2AU3 | 6FC5198-5AA30-0AP1 | 6FC5198-6AA00-0DP2 |
| 6FC5198-6AA00-0EP2 | 6FC5163-5GA01-2AU3 | 6FC5163-6FB01-1TF0 | 6FC5197-0AB20-0AP0 | 6FC5197-5AC40-0BP0 |