Specifications
Original instructions
Overview
This section contains specifications for the 170 AAI 140 00 I/O base.
General Specifications
Module type
16 analog inputs
Input voltage range
+/- 10 V, +/- 5 V
Input current range
4 ... 20 mA
Field device output driving capability
6K or less
Supply voltage
24 VDC
Supply voltage range
20 ... 30 VDC
Supply current consumption
max. 305 mA at 24 VDC
Power dissipation
4.95 W typical
5.55 W maximum
I/O map
16 input words
4 output words
Isolation
Between channels
none
Between base supply and ground
500 VDC, 1 min
Between input channels and ground
500 VAC, 1 min
Fuses
Internal (not user-replaceable)
2 A slow-blow
External (recommended)
1 A slow-blow (Bussmann GDC-1A or equivalent)
EMC
Immunity
IEC 1131-2
Surge on auxiliary power supply 500 V
Emissions
EN 50081-2
Agency approvals
UL, CSA, CE, FM Class 1 Div. 2
Physical Dimensions
Width
125 mm (4.9 in)
Depth (with no adapter)
40 mm (1.54 in)
Length
141.5 mm (5.5 in) no busbar
Weight
215 g (0.45 lb)
Analog Inputs
Surge tolerance:
input voltage
input current
+/- 30 VDC
+/- 25 mA
Number of channels
16
Format of transmitted data
full 16 bits signed (2’s complement)
Protection
polarity inversion
Error indication
none
Common mode rejection
250 VAC @ 47 ... 63 Hz or 100 VDC channel-to-ground
Update time for the inputs (in ms)
1 + 1.5 xn n = number of declared channels
Filtering
low pass with cutoff frequency 10 kHz
Maximum Sensor Impedance In
6K ohms with AAI 14000 at PV02
Voltage Mode
1.5K ohms with AAI 14000 at PV01
Range Specific Data
Range
+/- 10 V
+/- 5 V
4 ... 20 mA
Input impedance
20 MOhm
20 MOhm
250 Ohm
Error at 25 deg. C
0.27% PE*
0.21% PE*
0.28% PE*
Error at 60 deg. C
0.32% PE*
0.26% PE*
0.38% PE*
Temperature drift (60 deg. C)
14 ppm PE*/ deg. C
14 ppm PE*/ deg. C
30 ppm PE*/ deg. C
Resolution
14 bits + sign
14 bits + sign
15 bits
NOTE: *Not to be confused with Protective Earth. PE is used here as a European notation for full scale, with the following values:
  • 10 V in range of +/- 10 V
  • 5 V in range of +/- 5 V
  • 16 mA in range of 4 ... 20 mA