Specifications

Analog Input Modules
31007715 6/2008 193
STB ACI 1400 Specifications
Table of
Technical
Specifications
The module’s technical specifications are described in the following table.
description eight single-ended analog current input
channels
analog current range 4 to 20 mA (default)
0to20mA
resolution 15 bits + sign
returned data format IEC
module width 18.4 mm (0.72 in)
I/O base STB XBA 2000 (see p. 395)
operating voltage range 19.2 to 30 VDC
logic bus current consumption 90 mA
nominal sensor bus current consumption 150 mA
hot swapping supported NIM-dependent*
reflex actions supported no
profile ID 0x47
input response time nominal 16 ms for all channels
maximum 22 ms for all channels
input filter low pass filter with -3 dB cutoff at 985 Hz
integral linearity ± 0.08% of full scale
differential linearity monotonic
absolute accuracy typically ± 0.4% of full scale @ 25°C and
± 0.45% maximum of full scale
temperature drift typically ± 0.005% of full scale/ °C
operating temperature range** 0 to 60°C
storage temperature -40 to 85°C
over-range margin 2.4%
under-range margin (4 to 20 mA range only) 2.4%
input impedance ≤ 250 Ω
maximum input current 25 mA with no damage
addressing requirement 16 input words total 8 words for data
8 words for status
isolation field-to-bus 1500 VDC for 1 minute
analog module to
sensor bus
500 VDC
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