Siemens SIMATIC ET 200S Manual page 479

Technical data
Dimensions and weight
Dimensions W x H x D
(mm)
Weight
Module-specific data
Supports clock
synchronized mode
Number of inputs
Cable length
•
shielded
Voltages, currents, electrical potentials
Rated load voltage L+ (from
power module)
•
Polarity reversal
protection
Transducer power supply
•
Short-circuit protection
Electrical isolation
•
Between the channels
and backplane bus
•
Between channels and
load voltage L+
•
Between the channels
and PE
•
Between the channels
Permitted potential
difference
•
Between the channels
Isolation tested
Current consumption
•
with load voltage L+
Power loss of the module
ET 200S Distributed I/O System
EWA-4NEB 780602402-12
15 x 81 x 52
Approx. 40 g
No
2
max. 200 m (164 ft)
24 VDC
Yes
Yes
Yes, 60 mA (for both
channels)
Yes
Yes
Yes
No
140 VDC/100 VAC
(with isolated
power supply for the
transducers)
500 VDC
max. 53 mA
Typical 0.85 W
Analog Electronic Modules
Status, interrupts, diagnostics
Diagnostic functions
•
Group error
•
Reading of diagnostics
functions
Analog Value Formation
Measurement principle
Integration and cycle time /
resolution per channel:
•
Integration time
selectable
•
Interference frequency
suppression in Hz
•
Integration time in ms
•
Conversion time in ms
-- 1 channel per
module active
-- 2 channels per
module active
•
Cycle time in ms
-- 1 channel per
module active
-- 2 channels per
module active
•
Resolution (incl.
overshoot range)
Interference Suppression, Error Limits
Interference voltage
suppression for
f = n x (f10.5%),
(f1 = interference
frequency)
•
Common mode
interference (U )
SS
•
Common mode
interference
(peak value of
interference < rated
value of the input range)
Crosstalk between inputs
1)
Operational error limits
(across complete
temperature range, in
relation to input range)
red LED "SF"
Yes
Integrating
Yes
60 50 no
16,67 20 7,5
25 30 10
58,3 70 26
75 90 30
175 210 78
20 mA/15 Bit + VZ
4 to 20 mA/15 bits
min. 100 dB
min. 90 dB
min. --100 dB
0.1 %
12-73