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Remove power, Mounting – Spectrum Controls 1762sc-IF8U User Manual

Page 5

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MicroLogix™ Universal Analog Input Module

20

Publication 0100151-02 Rev. B

Current Inputs

System accuracy at 25° C (4 and 17 Hz filters):
± 20 uA maximum for 0-20 mA inputs
± 20 uA maximum for 4-20 mA inputs

System accuracy at -20-60°C (4 and 17 Hz filters):
± 50 uA maximum for 0-20 mA inputs
± 50 uA maximum for 4-20 mA inputs

RTD Inputs

System accuracy at 25° C (4 and 17 Hz filters):
± 0.5

C for Platinum 385

± 0.5

C for Platinum 3916

± 0.6

C for Nickel

± 0.3

C for Nickel-Iron

± 1.0°C for Copper measured in 3-wire mode wire with
compensation
± 0.6°C for Copper measured in 4-wire mode

System accuracy at -20-60° C (4 and 17 Hz filters):
± 0.9

C for Platinum 385

± 0.8

C for Platinum 3916

± 0.8

C for Nickel

± 0.5

C for Nickel-Iron

± 1.5°C for Copper measured in 3-wire mode wire with
compensation
± 1.1°C for Copper measured in 4-wire mode

TOLERANCES DO NOT INCLUDE LEAD WIRE
RESISTANCE ERRORS ON 2 AND 3 WIRE.

Resistance Inputs

System accuracy at 25° C (4 and 17 Hz filters):
± 0.5 ohms for 150 ohm range
± 1.0 ohms for 1000 ohm range
± 3.0 ohms for 3000 ohm range

System accuracy at -20-60° C (4 and 17 Hz filters):
± 1.0 ohms for 150 ohm range
± 1.5 ohms for 1000 ohm range
± 4.5 ohms for 3000 ohm range

Note: Accuracy is dependent on the ADC output rate
selection, data format, and input noise.

MicroLogix™ Universal Analog Input Module

5

Publication 0100151-02 Rev. B

Remove Power


Remove power before removing or installing this
module. When you remove or install a module with
power applied, an electrical arc may occur. An
electrical arc can cause personal injury or property
damage by:

 sending an erroneous signal to your system’s

field devices, causing unintended machine
motion

 causing an explosion in a hazardous

environment

 causing permanent damage to the module’s

circuitry


Electrical arcing causes excessive wear to contacts
on both the module and its mating connector. Worn
contacts may create electrical resistance.

Mounting

The 1762sc-IF8U is to be used with the MicroLogix™ 1100, 1200, or
1400 processor.


Do not remove protective debris strip until after the
module and all other equipment near the module is
mounted and wiring is complete. Once wiring is
complete and the module is free of debris, carefully
remove protective debris strip. Failure to remove
strip before operating can cause overheating.