Siemens SIMATIC CPU 410 User Manual

Connection examples for redundant I/Os
C.5 SM 321; DI 16 x DC 24 V, 6ES7 321–1BH02–0AA0
CPU 410 Process Automation/CPU 410 SMART
System Manual, 05/2017, A5E31622160-AC
395
C.5
SM 321; DI 16 x DC 24 V, 6ES7 321–1BH02–0AA0
The diagram below shows the connection of two redundant encoders to two SM 321; DI 16 x
DC 24 V. The encoders are connected to channel 0.
Figure C-3 Example of an interconnection with SM 321; DI 16 x DC 24 V

Siemens SIMATIC CPU 410 Specifications

General

Type	CPU
Communication Interfaces	PROFIBUS DP, PROFINET
Power Supply	24 V DC
Number of DP masters	1
Number of PROFIBUS DP slaves	Up to 125
Number of S7 connections	32
Operating Temperature	0 to 60 °C
I/O Ports	Configurable
Product type designation	CPU 410
Digital Inputs	Configurable
Digital Outputs	Configurable
Analog Inputs	Depends on the I/O modules used with the CPU
Analog Outputs	Depends on the I/O modules used with the CPU
Number of function blocks (FB)	256
Number of functions (FC)	256
Number of data blocks (DB)	256