Siemens SIMATIC S7-300 Reference Manual page 294
Programmable logic controllers module data
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Also See for SIMATIC S7-300:
- Manual (676 pages) ,
- Installation and operating manual (356 pages) ,
- Hardware and installation manual (256 pages)
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Analog Modules
Technical specifications of the SM 331; AI 8 x 16 bits
Dimensions and Weight
Dimensions W x H x D
(in millimeters)
Weight
Data for Specific Module
Supports clocked
operation
Number of inputs
Length of cable
•
Shielded
Voltages, Currents, Potentials
Power rated voltage of the
electronics L+
•
Reverse polarity protection
Isolation
•
Between channels and
backplane bus
•
Between channels and
power supply of the
electronics
•
Between the channels
In groups of
Permitted potential difference
•
Between the inputs (ECM)
•
Between M
and
ANA
M
(U
)
internal
ISO
Insulation tested with
Current consumption
•
From the backplane bus
•
From the power supply L+
Power dissipation of the module typ. 3.0 W
Analog value generation
Measuring principle
Integration time/conversion
time/ resolution (per channel)
•
Parameters can be
assigned
•
Basic conversion time in
ms (8-channel mode)
•
Basic conversion time in
ms (4-channel mode)
•
Resolution including sign
•
Noise suppression for
frequency f1
in Hz
4-88
40 x 125 x 117
Approx. 272 g
No
8
max. 200 m
24 VDC
Yes
Yes
Yes
Yes
2
75 VDC / 60 VAC
75 VDC / 60 VAC
500 VAC
max. 100 mA
max. 200 mA
Integrating
Yes
95/83/72/23
1)
10
16 bits
2)
All
/50/60/400
Smoothing of the measured
values
Basic execution time of the
module, in ms
(8-channel-mode)
Basic execution time of the
module, in ms
(4-channel-mode)
Suppression of interference, Limits of Error
Interference suppression for
F = n x (f1 ± 1%)
(f1 = interference frequency, n = 1, 2,
...)
•
Common-mode
interference (U
< AC 60
cm
V)
•
Series-mode interference
(peak value of interference
< rated value of input
range)
Crosstalk between the inputs
Operational limit (in the entire temperature range, with
reference to the input range)
•
Input voltage
•
Input current
Basic error (operational limit at 25 °C, referred to input
range)
•
Voltage input
•
Current input
Temperature error (with
reference to the input range)
Linearity error (with reference to
the input range)
Repeatability (in steady state at
25 °C, referred to the input
range)
Status, interrupts, diagnostics
Interrupts
•
Hardware interrupt if the
limit value is exceeded
•
Hardware interrupt at end
of cycle
•
Diagnostic interrupt
Diagnostic functions
•
Group error display
•
Diagnostics information
read-out
Programmable Logic Controllers S7-300 Module Data
None / low/
average/ high
190/166/144//46
1)
10
> 100 dB
3)
>90 dB
> 100 dB
$0.1%
$0.1%
$0.05%
$0.05%
$0.005%/K
$0.01%
$0.01%
Programmable
channels 0 – 7
Parameters can be
assigned
Parameters can be
assigned
Parameters can be
assigned
Red LED (SF)
Possible
A5E00105505-03
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