Siemens M7-400 ユーザーズマニュアル
Analog Modules
5-102
S7-400, M7-400 Programmable Controllers Module Specifications
A5E00069467-07
Technical Specifications of the SM 431; AI 16 x 13 Bit
Dimensions and Weight
Dimensions W
H
D
(in millimeters)
25
290
210
Weight
Approx. 500 g
Data for Specific Module
Number of inputs
•
Shielded
16
Max. 200 m
Voltages, Currents, Potentials
Rated load voltage L+
24 VDC (only required
for the supply of 2-wire
transmitters)
for the supply of 2-wire
transmitters)
•
Reverse polarity protection
Yes
Power supply of the
transmitters
transmitters
•
Supply current
Max. 50 mA
•
Short-circuit proof
Yes
Constant measured current for
resistance-type sensor
resistance-type sensor
Typ. 1.67 mA
Isolation
•
Between channels and
backplane bus
backplane bus
•
Between the channels
•
Between channels and
load voltage L+
load voltage L+
No
No
No
Permitted potential difference
•
Between inputs and M
ANA
(U
CM
)
•
Between the inputs (E
CM
)
2 VDC/2 VAC
SS
2 VDC/2 VAC
SS
Insulation tested with
•
Between bus and chassis
ground
ground
500 VDC
Current consumption
•
From the backplane bus
Max. 100 mA
•
From load voltage L+
(with 16 connected, fully
controlled two-wire
transmitters)
(with 16 connected, fully
controlled two-wire
transmitters)
Max. 400 mA
Power dissipation of the
module
module
Typ. 2 W
Analog Value Generation
Measuring principle
Integrative
Integration time/conversion
time/resolution (per channel)
time/resolution (per channel)
(Does not go into the
response time)
response time)
•
Parameters can be
assigned
assigned
Yes
•
Interference voltage
suppression f1 in Hz
suppression f1 in Hz
60/50
•
Integration time in
milliseconds
milliseconds
50/60
•
Basic conversion time in
ms
ms
55/65
•
Resolution including sign
13 bits
Smoothing of the measured
values
values
Not possible
Basic execution time of the
module, in ms (all channels
enabled)
module, in ms (all channels
enabled)
880/1040
Suppression of Interference, Limits of Error
Interference voltage suppression for f = nx (f1
"
1%),
(f1 = interference frequency) n = 1, 2, ...
•
Common-mode
interference
(U
interference
(U
CM
< 2 V)
> 86 dB
•
Series-mode interference
(peak value of interference
< rated value of input
range)
(peak value of interference
< rated value of input
range)
> 60 dB
Crosstalk between the inputs
> 50 dB
Operational limit (in the entire temperature range, with
reference to the input range)
reference to the input range)
•
Voltage input
–
"
1 V
–
"
10 V
–
1 V to 5 V
"
0.65%
"
0.65%
"
1 %
•
Current input
–
"
20 mA
–
4 mA to 20 mA
"
0.65%
"
0.65%
Basic error (operational limit at 25
°
C, referred to input
range)
•
Voltage input
–
"
1 V
–
"
10 V
–
1 V to 5 V
"
0.25%
"
0.25%
"
0.5%
•
Current input
–
"
20 mA
–
4 mA to 20 mA
"
0.25%
"
0.25%
Temperature error (with
reference to the input range)
reference to the input range)
"
0.01%
Linearity error (with reference
to the input range)
to the input range)
"
0.05%
Repeat accuracy (in the steady
state at 25
state at 25
°
C, referred to the
input range)
"
0.01%
Status, Interrupts, Diagnostics
Interrupts
None
Diagnostic functions
None
Substitute value can be applied
No