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9 technical specifications – Siemens S5-135U/155U User Manual

Page 477

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9-95

System Manual
C79000-G8576-C199-06

9.6.9

Technical Specifications

6ES5 466-3LA11 Analog Input Modules

Input ranges

0-20 mA; 4-20 mA;

"20 mA;

0-1.25 V; 0-2.5 V; 0-5 V;
1-5 V; 0-10 V;

"1.25 V; "2.5 V; "5 V;

"10 V

Number of inputs

16 single or 8 differential inputs in groups of
4 or 2 channels (selectable)
voltage or current measurement

Measuring principle

Instantaneous value encoding

Conversion time

25

ms typical (per channel)

Isolation

Yes

Permissible isolation between sensor ref. potential and
central ground point

25 V AC/60 V DC max.

Supply voltage

internal
external

+ 5 V +/- 5 %
None

Current consumption, internal

0.7 A typical

Encoding time per measured value

250

ms

Duration of cyclic sampling
(cycle time)

for 8 measured values
for 16 measured values

2 ms max.
4 ms max.

Input resistance

voltage measuring range
current measuring range

w 10 M W
125

W

Type of circuit for sensors

Two-wire circuit

Digital representation of the input signal

Selectable, following types of representation:
– 12-bit two’s complement
– 11-bit value with sign
– 12-bit binary

Max. permissible input voltage without destruction

$ 30 V max. (static) or

$ 75 V (pulse for 1 ms max. and duty ratio 1:20)

Interference voltage suppression common-mode interfer-
ence (Vpp = 1 V)

70 dB min.

Basic error limits
– voltage ranges except for 0-1.25 V;

$1.25 V

– current ranges and 0-1.25 V

;

$1.25 V

0.1 %
0.2 %

Analog Input/Output Modules