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SIMATIC S7-400, CPU 412-2 PN CENTRAL PROCESSING UNIT WITH: 1 MB WORKING MEMORY, (0,5 MB CODE, 0,5 MB DATA), INTERFACES: 1. IF MPI/DP 12 MBIT/S (X1), 2. IF ETHERNET/PROFINET (X5), 

Product type designation CPU 412-2 PN 

Firmware version V6.0

Engineering with

● Programming package STEP 7 V5.5 or higher/iMap V3.0 + iMap STEP 7 Add-on V3.0 SP5 or higher

CiR synchronization time, basic load 100 ms

CiR synchronization time, time per I/O byte 30 µs; Time per I/O byte 

Rated value (DC) ● 24 V DC No; Power supply via system power supply 

from backplane bus 5 V DC, typ. 1.1 A

from backplane bus 5 V DC, max. 1.3 A

from backplane bus 24 V DC, max. 150 mA;

150 mA per DP interface from interface 5 V DC, max. 90 mA; At the DP interfac