Siemens SIMATIC SM 335 - Technical Specifications for the Analog Inputs

Characteristics and Technical Specifications of the SM 335
1-8
SM 335 – High-Speed Analog Input/Output Module for the SIMATIC S7-300
6ES7 335-7HG00-8BA1
1.5.2 Technical specifications for the analog inputs
Table 1-3 Technical specifications for the analog inputs
Noise suppression and error limits for the inputs
Suppression of noise voltage for
f = n x (f1"1%), (f1 = interference frequency)
• Common-mode noise (U
pp
< 3 V)
• Series-mode noise
(peak noise value < rated value of the input range)
> 65 dB
0 dB
Crosstalk between inputs
• At 50 Hz
• At 60 Hz
–65 dB
–65 dB
Operational limit for voltage measuring
(over entire temperature range,
based on input range)
" 0.15%
(for 14-bit resolution)
Operational limit for current measuring
(over entire temperature range, based on input range)
0.25%
Basic error
(operational limit at 25 °C, based on input range)
" 0.1%
(for 14-bit resolution)
Temperature drift (based on input range) " 0.13%
Linearity error (based on input range) " 0.015%
Repeatability
(in steady state at 25 °C, based on input range)
" 0.05%
Sensor selection data
Input ranges (rated values)/input resistance
• Voltage
• Current (max. 2 channels)
" 1 V
" 10 V
" 2.5 V
0 to 2 V
0 to 10 V
" 10 mA
0 to 20 mA
4 to 20 mA
10 MW
10 MW
10 MW
10 MW
10 MW
100 W
100 W
100 W
Permissible input voltage for voltage input
(destruction limit)
"30 V
Permissible input current for current input
(destruction limit)
25 mA
Connecting of sensors
• For measuring voltage
• For measuring current
– As 2-wire measuring transducer
– As 4-wire measuring transducer
• For measuring resistance
Possible
Not possible
Possible
Not possible