Rockwell-automation 1798-IE4 FlexArmor Analog Input Module Manuel d'utilisateur télécharger pdf (Page 6)

6 FlexArmor Analog Input Module

Publication 1798-IN007A-EN-P - April 2002

Troubleshooting with the Indicators

The following table describes the status indicator on the analog input

modules.

Specifications

I/O Status Indicators

Function Indicator Status

Fault LED Red

Off

Sensor Power Short

Normal

Specifications - 1798-IE4 Analog Input Module

Module Type Analog Input

Number of Channels 4 single-ended, non-isolated

ResolutionBits

Voltage/Cnt

Current/Cnt

12 - Unipolar, 11+ sign - Bipolar

2.56 mV - Unipolar; 5.13 mV - Bipolar

5.13 uA

Data Format 16 bit; 2’s complement; left-justified

Conversion Type Successive approximation

Conversion Rate 256 us - All channels

Current Terminal 4-20 mA; 0-20 mA (user configurable)

Voltage Terminal ±10V; 0-10V (user configurable)

Normal Mode Rejection

Voltage Terminal

Current Terminal

-3 db @ 17 Hz; -20 db/decade;

-10 db @ 50 Hz; 11.4 db @ 60 Hz

-3 db @ 9 Hz; -20 db/decade;

-15.3 db @ 50 Hz; -16.8 db @ 60 Hz

Step Response to 63%

Voltage Terminal

Current Terminal

9.4 ms

18.2 ms

Impedance: Voltage Terminal

Current Terminal

100 k

Ω

; 200 k

Ω

@ DC

238

Ω

Absolute Accuracy

Voltage Terminal

Current Terminal

0.20% FS @ 25°C

Accuracy Drift: Voltage Terminal

Current Terminal

0.00428% FS per°C

0.00407% FS per°C

Calibration None Required

Maximum Overload

Voltage Terminal

Current Terminal

Single channel; continuous

30V

32 mA

Isolation Voltage 850V dc channel-to-system for 1s

FlexBus Current 10 mA maximum

Sensor Source Current

(per connector) 50 mA

Power dissipation 2.5W @ 28.8V dc

1 2 3 4 5 6 7 8

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Rockwell-automation 1798-IE4 FlexArmor Analog Input Module Manuel d'utilisateur Page 6

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