IC200ALG620

Overview

IC200ALG620 is a 4-point RTD/Resistance Input Module for VersaMax systems, designed to handle various RTD and resistance inputs with high resolution and fast update rates.

Input Configuration

• RTD Sensors Compatible:

• Platinum: 25, 100, 1000 ohm

• Copper: 10, 50, 100 ohm

• Nickel: 100, 120 ohm

• Nickel/Iron: 604 ohms

• RTD Wiring Type: 3-wire and 4-wire

• Resistance Input Range: 0-500 ohms; 0-3000 ohms

Performance Details

• Resolution: 16-bit

• Digital Resolution: 15 bits + sign

• Update Rate: 210 ms per channel @ 60 Hz (230 ms at 50 Hz)

• Accuracy at 25°C:

• ±0.15% on resistance measurement

• ±0.15% on RTD (temperature) measurement

• Temperature Sensitivity:

• ±0.004% of reading

• ±1.5 µV per °C referred to input

Power Requirements

• Bus Voltage: 5V DC

• Backplane Current Consumption:

• 5V output: 125 mA max

• 3.3V output: 125 mA

Environmental Conditions

• Operating Temperature: 0 to 60°C

• Frequency: 50-60 Hz

Isolation & Protection

• Isolation (Input to Frame): 1500 VAC

• Isolation (Input to Logic): 250 VAC

Diagnostics

• Channel Diagnostics: Open RTD, input short, underrange, overrange, wiring fault, non-volatile memory storage fault, high/low alarm

Installation Considerations

• Maximum Lead Resistance: 5 ohms per lead

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