IC693MDL640RR/IC693MDL640
IC693MDL640RR/IC693MDL640
IC693MDL640RR/IC693MDL640
同步链路冗余
软冗余 CPU 间的链路可以有三种选择:CPU集成 MPI 接口、PROFIBUS-DP通信模块和以太网通信模块。因为两个 CPU 之间只有一条数据链路,所以一旦这条同步链路发生中断,会造成两个 CPU 无法同步。
在 S7-1500R/H 冗余系统中,两个 S7-1500R CPU 之间同步数据使用的是 PROFINET 环网,即使 CPU 之间的连接网线断开,但由于是环网形式,同步数据还是可以从另外一侧的网络进行。而 S7-1500H CPU 是有两根光纤专门用于同步,本身就是冗余设计,即使一根断开也不影响两个 H CPU 之间的同步。
6ES7422-1BH11-0AA0
S7-400 32DI 24VDC opt.isolated
6ES7421-1BL01-0AA0
6ES7421-1BL00-0AA0
S7-400 32DO 24VDC 0,5A floating Diagnostics
6ES7422-7BL00-0AB0
S7-400 32DO 24VDC 0,5A opt.isolated
6ES7422-1BL00-0AA0
S7-400 8AI Resistor/PT100/NI100 isolated
6ES7431-7KF10-0AB0
S7-400 8AI U/I/Resist/Thermo/Pt100
6ES7431-1KF10-0AB0
S7-400 8AI/U/I/Resist
6ES7431-1KF00-0AB0
S7-400 8AO opt. Isolated
6ES7432-1HF00-0AB0
S7-400 Adapter module
6ES7470-0AA00-0AA0
S7-400 Cable Duct
6ES7408-0TA00-0AA0
S7-400 CP441-1 for point to point
6ES7441-1AA04-0AE0
6ES7441-1AA03-0AE0
6ES7441-1AA00-0AE0
S7-400 CP441-2 for point to point
6ES7441-2AA04-0AE0
6ES7441-2AA03-0AE0
6ES7441-2AA02-0AE0
6ES7441-2AA01-0AE0
S7-400 CP443-1
6GK7443-1EX20-0XE0
6GK7443-1EX11-0XE0
6GK7443-1EX10-0XE0
S7-400 CP443-1
6GK7443-1EX02-0XE0
6GK7443-1EX01-0XE0
6GK7443-1EX00-0XE0
S7-400 CP443-1 ADVANCED
6GK7443-1EX41-0XE0
S7-400 CP443-5
6GK7443-5DX04-0XE0
6GK7443-5DX02-0XE0
6GK7443-5DX00-0XE0
S7-400 CPU 412-1
6ES7412-1XJ05-0AB0
S7-400 CPU 412-1
6ES7412-1XF00-0AB0
S7-400 CPU 412-2
6ES7412-2XG00-0AB0
6ES7412-2XJ05-0AB0
S7-400 CPU 413-1
6ES7413-1XG02-0AB0
6ES7413-1XG01-0AB0