I/O device analog input/analog output
10.1 I/O device analog input
ET 200eco PN
160 Operating Instructions, 08/2016, A5E01250250-AJ
Formation of analog values
Measuring principle Integrating
Integration time and conversion time/resolution (per channel)
• Integration time parameterizable
Yes
• Interference frequency suppression in Hz
500/60/50/10
• Integration time in ms
2.0/16.667/20/100
• Conversion time in ms (per channel)
2
4/19/22/102
• Resolution for voltage (including overrange)
±80 mV/15 bps + sign
±10 V/15 bps + sign
0 to 10 V/15 bps
• Resolution for current (including overrange)
±20 mA/15 bps + sign
0 to 20 mA/15 bps
• Resolution for RTD (including overrange)
150 Ω, 300 Ω, 600 Ω, 3000 Ω/15 bps, Ni100,
Ni1000, Ni120, Ni200; Ni500, Pt100, Pt1000,
Pt200, Pt500/15 bps + sign
• Resolution for thermocouples (including over-
range)
Types E, J, K, N/15 bps + sign
Yes, parameterizable in 4 levels
None
Weak
Medium
1 x cycle time
4 x cycle time
16 x cycle time
Interference suppression, error limits
Interference suppression for
f = n x (f1 ± 0.5%), (f1 = interference frequency)
46 dB
• Common-mode interference (interference
voltage < 5 V)
70 dB
• Series-mode interference (peak value of inter-
ference < Rated value of input range)
46 dB
Operational limit (across temperature range,
relative to input range)
positive negative
(0 °C to
negative
(-25 °C to -