Siemens Simatic S7-300 Podręcznik - Strona 16

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Siemens Simatic S7-300 Podręcznik
Technical specifications of the SM 331; AI 8
Dimensions and Weight
Dimensions W
H
D
(in millimeters)
Weight
Data for Specific Module
Supports clocked operation
Number of inputs
Length of cable
S
Shielded
Voltages, Currents, Potentials
Rated supply voltage of the
electronics L +
S
Reverse polarity
protection
Power supply of the
transmitters
S
Supply current
S
Short-circuit-proof
Isolation
S
Between channels and
backplane bus
S
Between the channels
S
Between channels and
power supply of the
electronics
Permitted potential
difference
S
Between inputs and
M
(U
)
ANA
CM
–
At signal = 0 V
–
Not for 2-wire
transmitter
S
Between the inputs
(ECM)
S
Between M
and
ANA
M
(U
)
internal
ISO
Insulation tested with
S
Channels against
backplane bus and load
voltage L +
Current consumption
S
From the backplane bus
S
From load voltage L +
(without 2-wire
transmitter)
Power dissipation of the
module
Analog value generation
16
40
125
117
Approx. 230 g
Yes
8
max. 200 m
24 VDC
Yes
max. 30 mA (per channel)
Yes
Yes
No
Yes
11 VDC / 8 VAC
11 VDC / 8 VAC
75 VDC / 60 VAC
500 VDC
max. 100 mA
max. 50 mA
typ. 1.5 W
Product Information on the Manual S7-300 Module Specifications, Edition 11/2002
14 Bit High Speed
Measuring principle
Integration time/conversion
time/ resolution (per
channel)
S
Parameters can be
assigned
S
Basic conversion time
per channel
S
Resolution (incl.
overrange)
S
Noise suppression for
frequency f1 in Hz
S
Basic execution time of
the module (depending
on the number of
channels enabled)
Suppression of interference, Limits of Error
Noise suppression for f = n
(f1 = interference frequency) n= 1,2 ...
S
Common-mode
interference
(U
< 11 V
)
CM
SS
S
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)
S
Voltage input
S
Current input
Basic error limit (operational limit at 25 _C, with reference
to the input range)
S
Voltage input
S
Current input
Instantaneous value
conversion
Yes
52 ms
14 bits
None 400
60
50
0.42 ms
(f1 " 1 %),
> 80 dB
> 40 dB
> 65 dB
" 1 V
" 0.3 %
" 5 V
" 0.4 %
" 10 V
" 0.3 %
" 0.4 %
1 to 5 V
" 20 mA
" 0.3 %
" 0.3 %
0 to 20 mA
" 0.3 %
4 to 20 mA
" 1 V
" 0.2 %
" 5 V
" 0.25 %
" 10 V
" 0.2 %
" 0.25 %
1 to 5 V
" 20 mA
" 0.2 %
" 0.2 %
0 to 20 mA
" 0.2 %
4 to 20 mA
A5E00213444-02