Siemens SIMATIC S7-300 Reference Manual page 402

Analog Modules
Technical specifications of the
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
Number of outputs
Shielded line length
Voltages, Currents, Potentials
Rated load voltage L +
•
Reverse polarity protection
Supply voltage of the rated
electronics voltage and rated
load voltage L+
Power supply of the
transmitters
•
Short-circuit-proof
Constant measured current for
resistance-type sensor
•
For PT 100
•
At 10 kW
Isolation
•
Between channels and
backplane bus
•
Between channels and
power supply of the
electronics
Between the channels
Permitted potential difference
•
Between inputs and M
(U )
CM
•
Between the inputs (ECM)
•
Between M and
ANA
M -(U )
internal ISO
Insulation tested with
Current consumption
•
From the backplane bus
•
From power supply and
load voltage L+ (no load)
Power dissipation of the module typ. 2 W
4-196
SM334; AI 4/AO 2 x 12 bits
40 x 125 x 117
Approx. 200 g
No
4
4
2
max. 100 m
24 VDC
Yes
24 VDC
Yes
typ. 490 mA
at 105 mA
Yes
Yes
No
1 V
ANA
1 V
75 VDC / 60 VAC
500 VDC
max. 60 mA
max. 80 mA
Analog Value Generation for the Inputs
Measuring principle
Integration/conversion time (per
channel)
•
Parameters can be
assigned
•
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
voltage for interference
frequency f1 in Hertz
Smoothing of the measured
values
Time constant of the input
filter
Basic response time of module
(all channels enabled)
Analog Value Generation for the Outputs
Resolution (incl. Overrange
Conversion time (per channel)
Settling time
•
For resistive load
•
For capacitive load
Programmable Logic Controllers S7-300 Module Data
Integrating
Yes
2
16 / 20
3
72 85
72 85
12 bits 12 bits
60 50
Programmable,
in 2 stages
0.9 ms
350 ms
12 bits
500 ms
max. 0.8 ms
max. 0.8 ms
A5E00105505-03