Schneider Electric 170AMM11030 User Manual
Page 6
6
31005009 01 November 2003
Analog Inputs
The following table contains specifications for analog inputs.
Number of Channels
2
Input Ranges
± 10 VDC
Input Type
Single-ended
Resolution
14 bit
Surge Tolerance
Voltage Input
± 30 VDC
Over-range Tolerance
5% full scale
Protection
Polarity inversion
Common Mode Rejection
250 VAC @ 47 to 63 HZ or 250 VDC channel
to ground
Cross Talk Between Channels
± lowest significant bit
Common Mode Rejection Ration @ DC
± lowest significant bit
Common Mode Rejection Ration @ 50/60
± lowest significant bit
Maximum Input Signal
15 VDC for voltage input
Filtering
Low pass with cutoff frequency 900 Hz
Conversion Times
1.6 ms maximum for 2 input channels
Sampling Period
3.2 ms per channel
Range
± 10 VDC
Input Impedance
> 2.2 MOhm
Error @ 25
°C
0.2% for full scale
Error @ 60
°C
0.55% for full scale
Temperature Drift @ 60
°C
100ppm full scale /
°C