8-55
ET 200U Distributed I/O Station
EWA 4NEB 812 6087–02b
Analog Input Module 2
PT 100 /
"
500 mV
(6ES5 464–8MF21)
pr93a047
Technical Specifications
Address ID for ET 200U
DP–Siemens
DP–Norm
2AI or 013
1AI or 012
2AI or 081
1AI or 080
Input ranges (rated values)
resistance sensor (PT 100)
voltage source
0 to 200
W
(max. 400
W
)
"
500 mV
Number of inputs
1 or 2
(selectable)
Galvanic isolation
yes (inputs to ground–
ing point: not between
inputs)
Input resistance
w
10
MW
Connection method of sensors
two or four wire con-
nection
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
for 2048 units
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
between inputs
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
Module Spectrum