Siemens SIMATIC S7-300 Module data User Manual

Priniples of analog value processing
4.6 Wiring thermocouples
S7-300 Automation System Module data
4-18 Manual, 08/2006, A5E00105505-04
Recommended compensating box
We recommend the use of a SIEMENS reference junction with integrated power supply unit
as a compensating box. The table below shows the relevant ordering data.
Table 4-2 Ordering data of the reference junction
Recommended compensating box Order number
Reference junction with integrated power supply unit, for rail mounting
Auxiliary power 220 VAC
24 VAC
24 VDC
110 VAC
Wiring to thermocouple
Fe-CuNi
Fe/Cu Ni
Ni Cr/Ni
Pt 10% Rh/Pt
Pt 13% Rh/Pt
Cu/Cu Ni
Cu/Cu Ni
Type L
Type J
Type K
Type S
Type R
Type U
Type T
Reference temperature 0 °C
M72166-xxx00
B1
B2
B3
B4
1
2
3
4
5
6
7

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)