Siemens CPU 312 IFM User Manual

Contents
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PLC S7-300, CPU Specifications CPU 312 IFM to CPU 318-2 DP
A5E00111190-01
Figures
1-1 Control and Display Elements of the CPUs 1-2 . . . . . . . . . . . . . . . . . . . . . . . . .
1-2 Status and Fault Displays of the CPUs 1-3 . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1-3 Principle of Connection Resource Allocation for CPU 318-2 1-15 . . . . . . . . . . .
1-4 The Principle of Forcing with S7-300 CPUs (CPU 312IFM to 316-2DP) 1-21 .
1-5 Display of the States of the Interrupt Inputs of the CPU 312 IFM 1-26 . . . . . . .
1-6 Front View of the CPU 312 IFM 1-27 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1-7 Wiring diagram of the CPU 312 IFM 1-34 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1-8 Basic Circuit Diagram of the CPU 312 IFM 1-36 . . . . . . . . . . . . . . . . . . . . . . . . . .
1-9 Display of the States of the Interrupt Inputs of the CPU 314 IFM 1-45 . . . . . . .
1-10 Front View of the CPU 314 IFM 1-46 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1-11 Wiring diagram of the CPU 314 IFM 1-56 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1-12 Basic Circuit Diagram of the CPU 314 IFM (Special Inputs
and Analog Inputs/Outputs) 1-57 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1-13 Basic Circuit Diagram of the CPU 314 IFM (Digital Inputs/Outputs) 1-58 . . . . .
1-14 Connecting 2-wire measurement transducers to the analog inputs
of CPU 314 IFM 1-59 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1-15 Wiring of 4-wire measurement transducers to the analog inputs
of CPU 314 IFM 1-59 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2-1 Diagnostics with CPU 315-2DP < 315-2AF03 2-8 . . . . . . . . . . . . . . . . . . . . . . .
2-2 Diagnostics with CPU 31x-2 (315-2DP as of 315-2AF03) 2-9 . . . . . . . . . . . . .
2-3 Diagnostic Addresses for DP Master and DP Slave 2-10 . . . . . . . . . . . . . . . . . .
2-4 Transfer Memory in a CPU 31x-2 operating as DP Slave 2-14 . . . . . . . . . . . . .
2-5 Diagnostic Addresses for DP Master and DP Slave 2-22 . . . . . . . . . . . . . . . . . .
2-6 Format of the Slave Diagnostic Data 2-24 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2-7 Structure of the Module Diagnosis of the CPU 31x-2 2-28 . . . . . . . . . . . . . . . . .
2-8 Structure of the Station Diagnosis 2-29 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2-9 Byte x +4 to x +7 for Diagnostic and Hardware interrupt 2-30 . . . . . . . . . . . . . .
2-10 Direct Communication using CPU 31x-2 2-32 . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2-11 Diagnostic address for receiver with direct communication 2-33 . . . . . . . . . . . .
3-1 Component Parts of the Cycle Time 3-2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
3-2 Shortest Response Time 3-4 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
3-3 Longest Response Time 3-5 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
3-4 Overview of the Bus Runtime on PROFIBUS-DP at 1.5 Mbps
and 12Mbps 3-9 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
4-1 Sample Configuration 4-4 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
B-1 Dimensioned Drawing of the CPU 312 IFM B-1 . . . . . . . . . . . . . . . . . . . . . . . . .
B-2 Dimensioned Drawing of the CPU 313/314/315/315-2 DP/316-2DP B-2 . . . .
B-3 Dimensioned Drawing of the CPU 318-2 B-3 . . . . . . . . . . . . . . . . . . . . . . . . . . . .
B-4 Dimensioned Drawing of the CPU 314 IFM, Front View B-4 . . . . . . . . . . . . . . .
B-5 Dimensioned Drawing of the CPU 314 IFM, Side View B-5 . . . . . . . . . . . . . . .

Siemens CPU 312 IFM Specifications

General

Brand	Siemens
Model	CPU 312 IFM
Category	Controller
Language	English