Siemens SIMATIC S7-300 Module data Reference Manual

Analog Modules
4-195
Programmable Logic Controllers S7-300 Module Data
A5E00105505-03
Terminal connection and block diagram of the SM334; AI 4/AO 2 x 12 bits
Internal
supply
M
L+
Current
source
24V
Multiplexer
DAC
M
ANA
M
ANA
M
ANA
M
ANA
M
V
V
Back-
plane
bus
inter-
face
M
ANA
CH0
CH1
M
2+
M
2
*
M
3 +
M
3
*
Voltage input
Voltage
outputs
M
ANA
Q
V0
I
C01+
Q
V1
M
0 +
M
0
*
M
1 +
M
1
*
I
C01
*
Resistance test
I
C23+
M
2 +
M
2
*
M
3 +
M
3
*
I
C23
*
CH0
CH1
CH3
CH2
U
U
Figure 4-56 Module View and Block Diagram of the SM 334; AI 4/AO 2 x 12 bits

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)