Siemens ET 200pro - Page 399

Analog electronic modules
15.3 Analog electronic module 4 AI RTD High Feature (6ES7144-4JF00-0AB0)
ET 200pro distributed I/O system
Operating Instructions, 03/2013, A5E00335544-08
399
Technical specifications
Analog value generation
Measuring principle
Integrating
Integration time and cycle time/resolution (per channel)
• Integration time can be assigned
Yes
• Interference frequency suppression in Hz
50 60
• Integration time in ms
20 16.667
• Integration time in ms *
20.625 17.25
• Cycle time in ms (see Appendix Response
times
in the ET 200pro manual)
Number of active channels per module x
conversion time
• Resolution (including overrange)
150 Ω; 300 Ω; 600 Ω; 3000 Ω/15 bit
Pt100; Ni100; Ni120; Pt200; Ni200; Pt500; Ni500;
Pt1000; Ni1000/15 bit + sign
Measured value smoothing
Yes, can be assigned in 4 steps
Step
None
Weak
Medium
Strong
Time constant
1 x cycle time
4 x cycle time
16 x cycle time
64 x cycle time
Interference suppression, error limits
Interference voltage suppression for f = n x (f1 ±0.5 %), (f1 = interference frequency)
• Common mode interference (interference
voltage < 5 V)
Min. 70 dB
• Series-mode interference (signal value + peak
value of interference < rated value of input
range)
Min. 50 dB
Crosstalk between inputs
Max. -70 dB
Operational limit (across temperature range,
referenced to input range)
±0.175%
Basic error limit (operational limit at 25 °C,
referenced to input range)
±0.125%
Temperature error (referenced to input range)
Max. ±0.002 %/K
Linearity error (referenced to input range)
±0.05%
Repeat accuracy (in steady state at 25 °C,
referenced to input range)
±0.015%
Status, interrupts, diagnostics
Interrupts
• Diagnostic interrupt
Configurable
Diagnostic functions
• Group error display
Red LED (SF)
• Channel error display
Yes
• Diagnostic functions can be read out
Yes