Siemens S7-400 ユーザーズマニュアル

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Analog Modules
5-110
S7-400, M7-400 Programmable Controllers Module Specifications
A5E00069467-07
Technical Specifications of the SM 431; AI 16
 
 16 Bit
Programming package
Associated programming
package
As of STEP 7 V 2.0
Dimensions and Weight
Dimensions W 
 
 H 
 
 D
(in millimeters)
25 
 
 290 
 
 210
Weight
Approx. 500 g
Data for Specific Module
Number of inputs
For resistance-type sensor
16
8
Length of cable
Shielded 
in the input ranges 
x
 80
mV and with
thermocouples
Max. 200 m
Max. 50 m
Voltages, Currents, Potentials
Rated load voltage L+
24 VDC (only required
for the supply of
two-wire transmitters)
Reverse polarity protection
Yes
Power supply of the 
transmitters
Supply current
Max. 50 mA
Short-circuit proof
Yes
Constant measured current for
resistance-type sensor
Typ. 1.67 mA
Isolation
Between channels and
backplane bus
Between the channels
Between channels and
load voltage L+
Yes
No
Yes
Permitted potential difference
Between inputs and M
ANA
(U
CM
)
120 VAC
Between the inputs (E
CM
)
120 VAC
Between M
ANA
 and
M
internal
 (U
ISO
)
75 VDC/60 VAC
Insulation tested with
Between bus and L+/M
Between bus and analog
section
Between bus and chassis
ground
Between analog section
and L+/M
Between analog section
and chassis ground
Between L+/M and chassis
ground
2120 VDC
2120 VDC
500 VDC
707 VDC
2120 VDC
2120 VDC
Current consumption
From the backplane bus
Max. 700 mA
From load voltage L+ 
(with 16 connected, fully
controlled two-wire
transmitters)
Max. 400 mA
Power dissipation of the
module
Typ. 4.5 W
Analog Value Generation
Measuring principle
Integrative
Integration time/conversion
time/resolution (per channel)
(Does not go into the
response time)
Parameters can be
assigned
Yes
Interference voltage
suppression f1 in Hz
400/60/50
Integration time in ms
2.5/16.7/20
Basic conversion time in
ms
6/20.1/23.5
Additional conversion time
for measuring resistance,
in ms
12/40.2/47
Additional conversion time
for open-circuit monitoring,
in ms
4.3/4.3/4.3
Additional conversion time
for measuring resistance
in ms
5.5/5.5/5.5
Resolution including sign
16/16/16 bit
Smoothing of the measured
values
Parameters can be
assigned in 4 
stages
Basic execution time of the
module, in ms (all channels
enabled)
96/322/376