Siemens SIMATIC S5 ET 200U - Page 263

8-42
ET 200U Distributed I/O Station
EWA 4NEB 812 6087–02b
Technical Specifications
Address identifier for ET 200U
S DP Siemens
S DP Standard
4AI or 015
2AI or 013
1AI or 012
4AI or 083
2AI or 081
1AI or 080
Input ranges
(rated value)
"50 mV
Number of inputs 1, 2 or 4
(selectable)
Galvanic isolation yes (inputs to ground–
ing point; not between
inputs)
Input resistance w10 M
Connection method of sensors two–wire connection
Digital representation of input
signal
12 bits + sign
(2048 units = rated
value)
Measured value representation two’s complement
(left–justified)
Measuring principle integrating
Conversion principle voltage–time conver-
sion (dual slope)
Integration time
(adjustable for optimum noise
suppression)
20 ms at 50 Hz
16.6 ms at 60 Hz
Encoding time per input
S for 2048 units
S for 4095 units
max. 60 ms at 50 Hz
max. 50 ms at 60 Hz
max. 80 ms at 50 Hz
max. 66.6 ms at 60 Hz
Permissible voltage difference
S between inputs
S between inputs and central
ground point
max."1 V
max. 75 V DC /
60 V AC
Permissible input voltage
(destruction limit)
max. 24 V DC
Fault indication for
S range exceeded
S sensor wire break
S general indication of wire
break
yes
(more than 4095 units)
yes (selectable)
red LED
Noise suppression for f = nx
(50 / 60 Hz "1 %);
n = 1, 2, ...
S Common–mode rejection
(V
pp
= 1 V)
S series–mode rejection
(peak value of noise < ra-
ted value of input range)
min. 86 dB
min. 40 dB
Basic error limits
(operational error limit at
25 _C, referred to input ranges
of module)
"0.15 %
Operational error limits
(0 to 60 _C, referred to input
ranges of module)
"0.4 %
Single errors
S linearity
S tolerance
S polarity reversal error
"0.05 %
"0.05 %
"0.05 %
Temperature error
S final value
S zero point
"0.01 % /K
"0.002 % /K
Length of cable
S shielded
max. 50 m (164 ft.)
Supply voltage L+ none
Connection of compensating
box
possible
Rated isolation voltage
(+9 V to )
S isolation group
S tested with
12 V AC
1 B
500 V AC
Rated isolation voltage
(inputs to +9 V)
S isolation group
S tested with
60 V AC
1 B
500 V AC
Current consumption
S from +9 V (CPU)
typ. 70 mA
Power loss of the module typ. 0.7 W
Weight approx. 230 g (8 oz.)
Module Spectrum