Hardware reference guide

I/O Modules
524
35013379 02 October 2007
140ACI03000 I/O Analog In Module
Overview The Analog Input 8 Channel Unipolar module accepts mixed current and voltage
inputs. Required jumpers between the input and sense terminals for current input
measuring are included with the module.
Specifications The following table shows the specifications for the ACI03000 analog input module.
Specifications
Number of Channels 8 Differential
LEDs Active: Indicates bus communication present.
F: Indicates channel fault.
NOTE: This module produces a fault signal F if any one
channel detects a broken wire condition in the 4 ... 20 mA
range.
Required Addressing 9 Words In
Voltage Input
Linear Measuring Range 1 ... 5 Vdc
Absolute Maximum Input 50 Vdc
Input Impedance > 20 MΩ
Current Input
Linear Measuring Range 4 ... 20 mA
Absolute Maximum Input 25 mA
Input Impedance 250 Ω +/- 0.03%
Resolution 12 Bits
Accuracy Error @ 25° C Voltage Mode
Typical:
Maximum:
+/- 0.05% of full scale
+/- 0.1% of full scale
Current Mode Add +/- 0.03% to voltage specification
Linearity +/- 0.04%
Accuracy Drift w/
Temperature
Typical:
Maximum:
+/- 0.0025% of full scale / °C
+/- 0.005% of full scale / °C
Common Mode Rejection > -72 dB @ 60Hz
Input Filter Single pole low pass, -3 dB cutoff @ 15 Hz, +/- 20%
Isolation
Channel to Bus 1000 Vdc, 3000 Vpp, for 1 minute
Operating Voltage
This document provided by Barr-Thorp Electric Co., Inc. 800-473-9123 www.barr-thorp.com