Siemens S5-135U/155U Manual De Usuario

9-47

System Manual
C79000-G8576-C199-06

Rated input ranges
(selectable at front connector)

 - 0.05 to + 1 V 

- 0.5 to + 10 V 
-1 to + 20 mA 
+ 4 to 20 mA for 2-wire transducer 
+ 4 to 20 mA for 4-wire transducer

Number of inputs

 4 voltage/current inputs

Measured value representation

 11 bits (two’s complement) 

1024 units in rated range

Overrange

 50 % (with full accuracy)

Error signal for overflow

 Yes (upward of 50 % overrange)

Measuring principle

 Integrating

Conversion principle

 Voltage-frequency conversion

Isolation

 Yes, 4 inputs with respect to 0 V and each other

Permissible potential difference between ref. potentials of
sensors and module (U

CM

) and between sensors (chan-

nels)

 25 V AC/60 V DC max.

Power Supply
– digital section from system bus 
– analog section from load voltage 
– enabling of module F+/F-

 

5 V 

$ 5 %; 150 mA typical

24 V; approx. 150 mA
24 V; approx. 7 mA

Integration time
– 463-4UA12
– 463-4UB12

 

20 ms at 50 Hz
16 

2

/

3

 ms at 60 Hz

Encoding time per measured value
– 463-4UA12
– 463-4UB12

 

20 ms at 50 Hz
16 

2

/

3

 ms at 60 Hz

Cycle time for 4 measured values (max. delay time of
measured value acquisition)
– 463-4UA12
– 463-4UB12

 

20 ms at 50 Hz
16 

2

/

3

 ms at 60 Hz

Input resistance for input ranges
 1 V
 10 V
 20 mA
 4 to 20 mA

 

> 10 M

W

90 k

W 

50 

W

62.5 

W

Max. permissible input voltage without destruction

 

$ 30 V; 75V for 1 ms max. and duty ratio 1:10

Interference suppression 
– with common-mode interference
– with differential-mode interference

 

> 80 dB (f = 0 to 50 kHz)
> 40 dB (V

noise

 

v 0.1 U

N

)

Error, referred to 
– rated value 
– linearity 
– tolerance 
– temperature error

 

$ 5 x 10

–4

$ 1 unit

$ 3 units
0.6 x 10

–4

/K

Voltage test to VDE 0160

 Between inputs and ground point, and between 2 inputs;

tested at 500 V AC

Surge voltage test to IEC 255-4

 Between inputs and L-: Vp = 1kV; 1.2/50 

µ

s

Analog Input/Output Modules