Siemens SIMATIC S7-300 Reference Manual page 316

Analog Modules
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
Constant current for
resistance-type sensor
•
Resistance ther-
mometer and
resistance meas-
urement 0 ... 600 Ω
•
Resistance meas-
urement 0 ... 6 kΩ
Isolation
•
Between channels and
backplane bus
•
Between the channels
Permitted potential
difference
•
Between the inputs
(E )
CM
•
Between the inputs
and M (U )
internal ISO
Insulation tested with
Current consumption
•
From the backplane
bus
Power dissipation of the
module
4-110
of the SM 331; AI 8 x 13 bits
40 x 125 x 117
Approx. 250 g
No
8
8
max. 200 m
max. 50 m at 50 mV
0.83 mA
0.25 mA
Yes
No
2.0 VDC
75 VDC / 60 VAC
500 VDC
max. 90 mA
typ. 0.4 W
Analog value generation
Measuring principle
Integration time/resolution
(per channel)
•
Programmable
•
Noise suppression
for frequency f1 in Hz
•
Integration time in
milliseconds
•
Basic conversion
time including
Integration time in
milliseconds
Additional conversion
time for measuring
resistance, in ms
•
Resolution in bits (incl.
Overrange
Suppression of interference, Limits of Error
Noise suppression for f = n
(f1 = interference frequency) n = 1.2
•
Common-mode
interference
(U < 2 V)
CM
•
Series-mode noise
(peak value of
noise < nominal
value of input
range)
Crosstalk between the
inputs
Programmable Logic Controllers S7-300 Module Data
Integrating
Yes
50 60
60 50
66 55
66 55
13 bits 13 bits
(f1 " 1 %),
> 86 dB
> 40 dB
> 50 dB
A5E00105505-03