Siemens SIMATIC ET 200S - Page 508

Analog Electronic Modules
12-102
ET 200S Distributed I/O System
EWA-4NEB 780602402-12
Analog Value Formation
Resolution (incl. overshoot
range)
¦ 10 V/ 13 Bit + VZ
1to5V/12bits
Cycle time Max. 1.5 ms
Settling time
• For resistive load 0.1 ms
• For capacitive load 0.5 ms
• For inductive load 0.5 ms
Substitute value configur-
able
Yes
Interference Suppression, Error Limits
Crosstalk between outputs min. --40 dB
Operational error limits
(across the temperature
range, in relation to output
range)
0.4 %
Basic error limit (operational
error limit at 25 _C, related
to the output range)
0.2 %
Temperature error (in rela-
tion to output range)
0.01 %/K
Linearity error (in relation to
output range)
0.02 %
Repetition accuracy
(in transient state at 25 _C,
relative to output range)
0.05 %
Output ripple (in relation to
output range, bandwidth 0
to 50 kHz)
0.02 %
Data for selection of the actuator
Output range (nominal
value)
 10 V
1to5V
Load resistance Min. 1.0 kΩ
• For capacitive load max. 1 µF
• Short-circuit protection Yes
• Short-circuit current Approx. 25 mA
Destruction limit for exter-
nally applied voltages/cur-
rents
• Voltage measured
between the outputs
and M
ANA
Max. 15 V
continuous, 75 V for
max. 1 s (sampling
ratio 1:20)
• Current ma x . DC 50 mA
Connection of actuators
• 2-wire connection Possible, without
compensation of
cable resistance
• 4-wire connection Yes