Siemens SIMATIC S7-300 Module data Technical Data

Technical data of CPU 31xC
6.6 Technical data of the integrated I/O
CPU 31xC and CPU 31x, Technical data
6-34 Manual, Edition 08/2004, A5E00105475-05
6.6.2 Analog I/O
Wiring of the current/voltage inputs
The figure below shows the wiring diagram of the current/voltage inputs operated with
2-/4-wire measuring transducers.
2-wire
signal converter
AI2
AI2
AI2
u
I
c
8
9
10
M
M
ANA
20
We recommend connecting AIx
C
with M
ANA
using a bridge.
+
-
+
+24V
-
Al
0
: Pin 2 to 4
AI
1
: Pin 5 to 7
Al
2
: Pin 8 to 10
Al
3
: Pin 11 to 13
Figure 6-1 Connection of a 2-wire measuring transducer to an analog current/voltage input of
CPU 313C/314C-2
4-wire
signal converter
AI : Pin 2 to 4
AI : Pin 5 to 7
AI : Pin 8 to 10
AI : Pin 11 to 13
0
1
2
3
L+
AI2
AI2
AI2
AI3
AI3
AI3
u
I
c
u
I
c
8
9
10
11
12
13
M
ANA
20
M
M
+
-
+
-
Short-circuit non-wired input channels
and connect Alx
C
with M
ANA
.
We recommend connecting Alx
C
with M
ANA
when using the 4-wire signal converter.
Figure 6-2 Connection of a 4-wire measuring transducer to an analog current/voltage input of
CPU 313C/314C-2

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)