Siemens ET 200pro - Page 393

Analog electronic modules
15.2 Analog electronic module 4 AI I High Feature (6ES7144-4GF00-0AB0)
ET 200pro distributed I/O system
Operating Instructions, 03/2013, A5E00335544-08
393
Technical specifications
• Resolution (including overrange)
±20 mA/15 bit + sign
0 to 20 mA/15 bit; 14 bit with low-level smoothing.
4 to 20 mA/15 bit; 14 bit with low-level smoothing.
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 ±1 %), (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. -50 dB
Operational limit (across temperature range,
referenced to input range)
±0.15%
Basic error limit (operational limit at 25 °C,
referenced to input range)
±0.1%
Temperature error (referenced to input range) ±0.002 %/K
Linearity error (referenced to input range)
±0.01%
Repeat accuracy (in steady state at 25 °C,
referenced to input range)
±0.025%
Status, interrupts, diagnostics
Interrupts
• Process interrupt (limit value interrupt)
Configurable for channel 0
• Diagnostic interrupt
Configurable
Diagnostic functions
• Group error display
Red LED (SF)
• Channel error display
Yes
• Diagnostic functions can be read out
Yes
Monitoring for
• Short-circuit to ground (1M)
Yes, at 4 to 20 mA
• Wire break
Yes, at 4 to 20 mA
Isolation
Isolation tested with
500 V DC