Siemens SIMATIC S7-300 Module data Reference Manual

Analog Modules
4-128
Programmable Logic Controllers S7-300 Module Data
A5E00105505-03
Module filtering mode 4 channels, hardware
Integration/conversion time/
resolution (per channel)
• Programmable Yes
• Basic conversion time in
ms
3.3
• Additional conversion time
for measuring resistance,
in ms
185*
• Additional conversion time
for open-circuit monitoring,
in ms
85**
• Resolution including sign 16 bits
• Noise suppres
sion 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)
10 ms
Suppression of interference, Limits of Error
Noise suppression for f = n (f1 1%),
”(f1 = interference frequency) n = 1.2, etc.
• Common-mode
interference
(U
CM <
60 VAC)
> 100 dB
• Series-mode interference
(peak value of interference
< rated value of input
range)
> 90 dB
Crosstalk between the inputs
> 100 dB
Operational limit (over entire temperature range, referred
to 0 to 60 C input range)
• Resistance thermometer "1.0 °C
• Resistors "0.1 %
Basic error (operational limit at 25°C, referred to input
range)
• Resistance thermometer "0.5 °C
• Resistors "0.05 %
Temperature error (with
reference to the input range)
"0.005 %/K
Linearity error (with reference to
the input range)
"0.02 %
Repeat accuracy (in the steady
state at 25 °C, referred to the
input range)
"0.01 %
Status, Interrupts, Diagnostics
Interrupts
• Hardware interrupt Programmable
(channels 0 – 7)
• Diagnostic interrupt Programmable
Diagnostic functions Programmable
• Group error display Red LED (SF)
• Diagnostic information can
be displayed
Possible
Data for Selecting a Sensor
Input range (rated values) input
resistance
• Resistance thermometer Pt 100, Pt 200, Pt 500,
Pt 1000, Ni 100, Ni
120, Ni 200, Ni 500, Ni
1000, Cu 10
• Resistors 150, 300, 600 
Maximum input voltage for
voltage input (destruction limit)
35 VDC continuous;
75 VDC for max. 1 s
(duty factor 1:20)
Connection of the sensor
• For measuring resistance
With two-conductor
connection
Possible (without
resistance correction)
With three-conductor
connection
Possible
With four-conductor
connection
Possible
Characteristic linearization
• Resistance thermometer Pt 100, Pt 200, Pt 500,
Pt 1000, Ni 100, Ni
120, Ni 200, Ni 500, Ni
1000, Cu 10 (standard
and climatic range)
• Technical unit for
temperature measurement
Degrees Celsius;
degrees Fahrenheit
* The resistance measurement for a three-conductor connection is performed every 5 minutes.
** Open-circuit monitoring in module filtering mode 4 Channels, Hardware is performed every 3 seconds.

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)