Siemens Simatic S7 Series System Manual

PLC device configuration
6.1 Configuring the operation of the PLC system
S7-200 SMART
System Manual, 09/2015, A5E03822230-AC
135
Resistor
Depending upon the RTD type that you select, you can configure the following RTD resistors
for the channel:
Table 6- 2 RTD types and available resistors
RTD types
RTD resistors
• Resistance 4-wire
• Resistance 3-wire
• Resistance 2-wire
Note: For these RTD types and resistors, you can-
not configure temperature coefficients or tempera-
ture scales.
• 48 ohms
• 150 ohms
• 300 ohms
• 600 ohms
• 3000 ohms
• Thermal Resistance 4-wire
• Thermal Resistance 3-wire
• Thermal Resistance 2-wire
• Pt 10
• Pt 50
• Pt 100
• Pt 200
• Pt 500
• Pt 1000
• LG-Ni 1000
• Ni 100
• Ni 120
• Ni 200
• Ni 500
• Ni 1000
• Cu 10
• Cu 50
• Cu 100

Siemens Simatic S7 Series Specifications

General

CPU	Varies by model (e.g., S7-300, S7-400, S7-1200, S7-1500)
Communication Interfaces	PROFIBUS, PROFINET, Ethernet, MPI
Programming	TIA Portal, STEP 7
Programming Languages	LAD, FBD, STL, SCL, GRAPH
I/O Modules	Digital, Analog, Specialty modules available
Operating Temperature	0°C to 60°C (standard models)
Mounting	DIN rail mounting
Operating Voltage	24V DC or 120/230V AC (varies by model)
Protection Class	IP20 (standard models)
Memory	Varies depending on the S7 model. Includes work memory (RAM) for program execution, load memory (EEPROM or Flash) for program storage, and system memory for operating system functions. Memory sizes range from kilobytes to megabytes.