Siemens SIMATIC NET S7-300 User Manual

B Standards and Approvals for SIMATIC NET S7-CPs
A-290
S7-CPs for Industrial Ethernet Configuring and Commissioning
Release 01/2007
C79000-G8976-C182-07
UL Approval
UL Recognition Mark Underwriters Laboratories (UL) according to standard UL
508:
 Report E 85972
CSA Approval
CSA Certification Mark Canadian Standard Association (CSA) according to
standard C 22.2 No. 142:
 Certification Record 063533–C-000
cULus Approval, Hazardous Location
CULUS Listed 7RA9 IND. CONT. EQ. FOR HAZ. LOC.
Underwriters Laboratories Inc. according to
 UL 508 (Industrial Control Equipment)
 CSA C22.2 No. 142 (Process Control Equipment)
 UL 1604 (Hazardous Location)
 CSA–213 (Hazardous Location)
APPROVED for Use in
 Cl. 1, Div. 2, GP. A, B, C, D T4A
 Cl. 1, Zone 2, GP. IIC T4
 Cl. 1, Zone 2, AEx nC IIC T4
!
Warning
Explosion Hazard -
Do not disconnect while circuit is live unless area is known to be non hazardous.
!
Warning
Explosion Hazard -
Substitution of components may impair suitability for Class I, Division 2.

Siemens SIMATIC NET S7-300 Specifications

General

Product Type Designation	SIMATIC NET S7-300
Mounting	DIN rail mounting
Protection Class	IP20
CPU Models	Various models available (e.g., CPU 312, CPU 314)
Communication Interfaces	MPI, PROFIBUS DP
Power Supply	24 V DC power supply required. Different power supply modules available.
I/O Modules	Digital input modules, digital output modules, analog input modules, analog output modules
Programming	STEP 7 software
Supply Voltage	24V DC or 120/230V AC (depending on model)
Digital Inputs	Available via digital input modules
Digital Outputs	Available via digital output modules
Analog Inputs	Available via analog input modules
Analog Outputs	Available via analog output modules
Communication Functions	MPI, PROFIBUS DP, Ethernet (depending on model)
Protocols	MPI, PROFIBUS DP, TCP/IP (depending on model)
Operating Temperature	0°C to 60°C
Storage Temperature	70 °C
Memory	Depends on CPU model (e.g., 32 KB to 1.5 MB)