User guide

48238-EN/3
Characteristics of analog input bases
Type of base units 170 AAI 030 00
Number of inputs
1x8
LEDs
Ready (green)
Format of data
Full 16 bits signed (two's complement)
Differential
Ranges
±10VDC ±5VDC 4…20 mA ±20mA 1to5VDC
Input impedance
kΩ > .1000 > .1000 250 250 >.1000
Error at 25 °C
0.27 % 0.21 % 0.27 % 0.32 % 0.13 %
Error at 60 °C
0.32 % 0.26 % 0.38 % 0.41 % 0.19 %
Resolution
15 bits
Conversion times
ms 12 ms max. for 8 input channels
(1.33 ms per input channel + 1.33 ms)
Error indication
None
Isolation Channel to channel
VDC ± 200
Field to ground
VDC 500
Comm adapter to ground
VAC 500
Common mode rejection Channel to ground
250 VAC @ 47…63 Hz or 100 VDC
Crosstalk between channels
dB ≥ 80
External power requirement
VDC 24
Range 20.4 to 28.8 VDC
Current < 382 mA @ 24 VDC
EMC for industrial
environment
Immunity IEC 1131 surge on auxiliary power supply 2 kV
Emissions EN 50081-2
Approvals UL, CSA, CE
Momentum automation platform 0
Analog I/O Bases
Characteristics
References :
pages 48238/8 and 48238/9
Dimensions :
page 48238/9
Connections :
pages 48238/10 and 48238/11