Siemens SIMATIC CPU 410 System Manual page 390

Function and communication modules that can be used in a redundant configuration
Module
Communication processor CP 342-2
(ASI bus interface module)
Communication processor CP 343-2
(ASI bus interface module)
Counter module FM 350-2
Control module FM 355 C
Control module FM 355 S
Note
One-sided or switched function modules and communication processors are not
synchronized in the fault-tolerant system if they exist in pairs.
390
Article No.
6ES7 341-1AH02-0AE0
6ES7 341-1BH02-0AE0
6ES7 341-1CH02-0AE0
6GK7 342-2AH01-0XA0
6GK7 343-2AH00-0XA0
6ES7 350-2AH00-0AE0
6ES7 355-0VH10-0AE0
6ES7 355-1VH10-0AE0
CPU 410 Process Automation/CPU 410 SMART
System Manual, 05/2017, A5E31622160-AC
Release
As of product version 1
As of firmware V2.0.0
As of product version 1
As of firmware V1.10
As of product version 2
As of firmware V2.03
As of product version 2
As of product version 4
As of product version 3