Siemens Simatic S7-400 Application Description

Warranty, Liability and Support
Time switch based on the S7-300/400 CPUs with simple HMI system
including radio-controlled clock connection
Rev. B - final 19.07.2002 7/84
Copyright © Siemens AG Fehler! Unbekannter Name für
Dokument-Eigenschaft. All rights reserved
BID21669756_Zeitschaltuhr_einfach_DOKU_v20_e.doc
Part A1 : Application Description
Objectives of Part A1
Part A1 of this document provides the reader with information on the
following topics:
• Pinpoint the automation problem
• Design a possible solution

Siemens Simatic S7-400 Specifications

General

Programming Language	STEP 7 (LAD, FBD, STL, SCL, GRAPH)
Communication Interfaces	MPI, PROFIBUS
Power Supply	24 V DC, 120/230 V AC (Power supply modules are separate and chosen based on system requirements)
Operating Temperature	0°C to 60°C
Mounting	Rack mounting
Processor	CPU 412-1, CPU 414-2, CPU 416-2, CPU 417-4 (Different CPUs offer varying performance and features)
Relative Humidity	5 to 95% (non-condensing)