Analog Electronic Modules
12-89
Distributed I/O System ET 200S
EWA 4NEB 780 6024-02 07
Technical Specifications
Dimensions and Weight
Dimensions W H D
(mm)
15 x 81 x 52
Weight Approx. 40 g
Data for Specific Modules
Number of inputs 2
Length of cable
Shielded Max. 200 m
Voltage, Currents, Potentials
Rated load voltage L+ (from
the power module)
24 VDC
Reverse polarity
protection
Yes
Short-circuit protection Yes, (destruction
limit 35 mA per
channel)
Isolation
Between channels and
backplane bus
Yes
Between channels and
load voltage L+
No
Between the channels No
Permissible potential
difference
Between M
ANA
and
M
internal
(U
ISO
)
75 VDC, 60 VAC
Insulation tested with 500 VDC
Current consumption
Power supply and load
voltage L+ (no load)
Max. 35 mA
1
Power dissipation of the
module
Typ. 0.8 W
Status, Interrupts, Diagnostics
Interrupts
Hardware Interrupt Parameters can be
assigned
2
Diagnostic functions
Group error display Red “SF” LED
Diagnostic functions
readable
Possible
3
Analog Value Generation
Measuring principle Instantaneous value
encoding
Cycle time/Resolution:
Conversion time in ms
(per channel)
0.1
Cycle time in ms
(per module)
1
Resolution (including
overrange)
4 to 20 mA/13 bits
0 to 20 mA/13 bits
Suppression of Interference, Limits of Error
Crosstalk between the
inputs
> 50 dB
Operational limit
(entire temperature range
with reference to input
range)
"0.3%
Basic error limit (operational
limit at 25 C with reference
to input range)
"0.2%
Temperature error (with
reference to the input
range)
"0.01%/K
Linearity error (with
reference to the input
range)
"0.01%
Repeatability
(in steady state at 25 C
with reference to input
range)
"0.05%
Sensor Power Supply Outputs
Number of outputs
Output voltage
With load
Output current
Rated value
Permitted Range
Short-circuit protection
2
L+ (–2.5 V)
90 mA
(both channels)
0 mA to 90 mA
Yes, electronic
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