Siemens SIMATIC S7-300 Module data Reference Manual

Analog Modules
4-140
Programmable Logic Controllers S7-300 Module Data
A5E00105505-03
Technical specifications of the SM 331; AI 8 x TC
Dimensions and Weight
Dimensions W x H x D
(in millimeters)
40 x 125 x 117
Weight Approx. 272 g
Data for Specific Module
Supports clocked
operation
No
Length of cable
• Shielded
max. 100 m
Voltages, Currents, Potentials
Power rated voltage of the
electronics L+
24 VDC
• Reverse polarity protection Yes
Constant measured current for
resistance-type sensor
typ. 0.7 mA
Isolation
• Between channels and
backplane bus
Yes
• Between channels and
power supply of the
electronics
Yes
• Between the channels
In groups of
Yes
2
Permitted potential difference
• Between the inputs (U
CM
) 75 VDC / 60 VAC
• Between M
ANA
and
M
internal
(U
ISO
)
75 VDC 60 VAC
Insulation tested with 500 VDC
Current consumption
• From the backplane bus max. 100 mA
• From supply voltage
L+
max. 240 mA
Power dissipation of the module typ. 3.0 W
Analog value generation
Measuring principle Integrating
Module filtering mode 8 channels, hardware
Integration time/conversion
time/ resolution (per
channel)
• Programmable Yes
• Basic conversion time in
ms
95
• Additional conversion
time for open-circuit
monitoring, in ms
4
• Resolution including
sign
16 bits
• Noise suppression
for interference
frequency f1 in Hz
400/60/50
Smoothing of the measured
values
None / low/ average/ high
Basic response time of
module (all channels
enabled)
190 ms
Module filtering mode 8 channels, software
Integration time/conversion
time/ resolution (per
channel)
• Programmable Yes
• Basic conversion time in
ms
23/72/83
• Additional conversion
time for open-circuit
monitoring, in ms
4
• Resolution including
sign
16 bits
• Noise suppression
for interference
frequency f1 in Hz
400/60/50
Smoothing of the measured
values
None / low/ average/ high
Basic response time of
module (all channels
enabled)
46/144/166 ms

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)