Siemens SIMATIC S7-300 Module data Reference Manual

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Programmable Logic Controllers S7-300 Module Data
A5E00105505-03
List of Abbreviations
Abbreviation Explanation
AC Alternating current
ADC Analog-to digital converter
AI Analog input
AO Analog output
PLC Programmable logic controller
COMP Compensating terminal
CP Communications processor
CPU Central processing unit of a PLC
DAC Digital-to-analog converter
DB Data block
DC Direct current
DI Digital input
DO Digital output
ESD Electrostatic sensitive devices
EMC Electromagnetic compatibility
EPROM Erasable programmable read-only memory
EWS Apply substitute value
FB Function block
FC Function
FEPROM Flash erasable programmable read only memory
ES Encoder supply
I+ Measuring lead for current input
I
C
Constant-current lead
KV Shunt comparison
L+ Terminal for 24 VDC supply voltage
LWH Hold last valid value
FOC Fiber-optic cable
M Ground terminal
M+ Measuring lead (positive)
M– Measuring lead (negative)
M
ANA
Reference potential of the analog measuring circuit
MPI Multipoint interface
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Siemens SIMATIC S7-300 Module data Specifications

General

Series	S7-300
Manufacturer	Siemens
Protection Class	IP20
System	SIMATIC S7-300
Digital Inputs	Varies by module
Digital Outputs	Varies by module
Analog Inputs	Varies by module
Analog Outputs	Varies by module
Central Processing Unit	Varies by CPU model
Supply Voltage	24V DC or 120/230V AC
CPU Type	Varies (e.g., CPU 312, CPU 315, etc.)
Memory	Varies by CPU model
Communication Interfaces	MPI, PROFIBUS
Programming Languages	LAD, FBD, STL, SCL, GRAPH
Operating Temperature	0°C to 60°C
Storage Temperature	-40°C to 70°C
Relative Humidity	10% to 95% (non-condensing)