Siemens SIMATIC S5-90U, Системное руководство

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S5-90U/S5-95U Module Spectrum
Analog Input Module 4 x±50 mV (continued) (6ES5 464-8MA11)
Technical specifications
Input ranges
(rated values)
±50 mV
Number of inputs 1, 2 or 4
(selectable)
Galvanic isolation yes (inputs to
grounding point;
not between inputs)
Input resistance 10 M
Connection method two-wire
of sensors connection
Digital representation 12 bits+sign
of input signal (2048 units
= rated value)
Measured value two's complement
representation (left-justified)
Measuring principle integrating
Conversion principle voltage-time
conversion
(dual slope)
Integration time 20 ms at 50 Hz
(adjustable for optimum 16.6 ms at 60 Hz
noise suppression)
Encoding time
per input
- for 2048 units
max. 60 ms at 50 Hz
max. 50 ms at 60 Hz
- for 4095 units max. 80 ms at 50 Hz
max. 66.6 ms at 60 Hz
Permissible voltage
difference
- between inputs
max. ± 5 V
- between inputs and
central ground point
max. 75 V DC/60 V AC
Permissible
input voltage
(destruction limit)
max. 24 V DC
Fault indication for
- range exceeded
yes
(more than
4095 units)
- sensor wire break yes (selectable),
via test pulse
- general indication of wire
break
red LED
Noise suppression
for f=nx
(50/60 Hz±1%);
n=1, 2, ...
- common-mode
rejection
min. 86 dB
(V
pp
=1 V)
- series-mode rejection min. 40 dB
(peak value of noise
<rated value of
input range)
Basic error limits ±0.15 %
(=operational error limits
at 25°C, referred to input
ranges of the module)
Operational error limits ±0.4 %
(0 to 60 °C)
(32 to 140 °F)
(referred to input ranges of the module)
Length of cable
- shielded
max. 50 m (164 ft.)
Supply voltage L+ none
Connection of com-
pensating box
possible
Rated insulation voltage
(+9 V to )
12 V AC
- insulation group 1×B
- tested with 500 V AC
Rated insulation voltage
(inputs to+9 V)
60 V AC
- insulation group 1×B
- tested with 500 V AC
Current consumption
- from+9 V (CPU)
typ. 100 mA
Power loss of the
module
typ. 0.9 W
Weight approx. 230 g (8 oz.)
EWA 4NEB 812 6115-02b
15-39