Siemens SIMATIC S7-300 Reference Manual page 323
Programmable logic controllers module data
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- Manual (676 pages) ,
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- Hardware and installation manual (256 pages)
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Technical specifications
Dimensions and Weight
Dimensions W x H x D
(in millimeters)
Weight
Data for Specific Module
Supports clocked operation
Number of inputs
•
For resistance-type
sensor
Length of cable
•
Shielded
Voltages, Currents, Potentials
Rated supply voltage of the
electronics L +
•
Reverse polarity
protection
Power supply of the
transmitters
•
Supply current
•
Short-circuit-proof
Constant current for
resistance-type sensor
Isolation
•
Between channels and
backplane bus
•
Between channels and
power supply of the
electronics
–
Not for 2-wire
transmitter
Permitted potential
difference
•
Between inputs and
M
(U
)
ANA
CM
–
At signal = 0 V
•
Between the inputs
(ECM)
•
Between M
and
ANA
M
(U
)
internal
ISO
Insulation tested with
Current consumption
•
From the backplane bus
•
From the backplane bus
L +
Power dissipation of the
module
Programmable Logic Controllers S7-300 Module Data
A5E00105505-03
of the SM 331; AI 8 x 12 bits
40 x 125 x 117
Approx. 250 g
No
8
4
max. 200 m
max. 50 m at 80 mV and
thermocouples
24 VDC
Yes
max. 60 mA (per channel)
Yes
typ. 1.67 mA
Yes
Yes
2.5 VDC
2.5 VDC
75 VDC / 60 VAC
500 VDC
max. 50 mA
max. 30 mA
(without two-wire
transmitter)
typ. 1 W
Analog value generation
Measuring principle
Integration time/conversion
time/ resolution (per
channel)
•
Programmable
•
Integration time in
milliseconds
•
Basic conversion time
including Integration
time in milliseconds
Additional conversion
time for measuring
resistance, in ms
or
Additional conversion
time for open-circuit
monitoring, in ms
or
Additional conversion
time for measuring
resistance and
open-circuit monitoring,
in ms
•
Resolution in bits (incl.
overrange)
•
Noise suppression for
frequency f1 in Hz
•
Basic execution time of
the module, in ms (all
channels enabled)
Smoothing of the measured
values
Analog Modules
Integrating
Yes
2
2.5
16
/
20
100
3
3
17
22
102
1
1
1
1
10
10
10
10
16
16
16
16
9
12
12
14
bits
bits
bits
bits
400
60
50
10
24
136
176
816
None
4-117
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