TK-IAH161 Honeywell Analog Input Module

TK-IAH161 Parameter Specification

Number of Points
16 channels

Input Voltage Range (Voltage)

• ±10.25 volts
• 0 to 10.25 volts
• 0 to 5.125 volts

Input Current Range (Current)

• 0 to 20.5 mA (internal 250 Ω resistor)

Voltage Resolution

• ±10.5 volt range: 320 μV
• 0 to 10.5 volt range: 160 μV
• 0 to 5 volt range: 80 μV

Current Resolution
16 bits across each range shown below

• 320 nA

Module Publish Rate
250 msec

Input Impedance

• Voltage: Greater than 1.0 MΩ
• Current: 249 Ω nominal

Open Circuit Detection

• Typical OC Detection Time: Less than 5 seconds
  • Voltage:
    • Even channels: Positive Full scale reading
    • Odd channels: Negative Full scale reading
  • Current:
    • Negative Full scale reading

Normal Mode Noise Rejection

• Greater than 33 dB @ 50 Hz

Common Mode Rejection

• Greater than 60 dB @ 60 Hz
• 100 dB @ 50/60 Hz

Channel Bandwidth
20 Hz (-3dB)

Calibrated Accuracy @ 25°C

• Voltage: Better than 0.05% of range
• Current: Better than 0.15% of range including sense resistor

RFI Immunity
Error of less than 2.0% of range at 10 V/m, 27 to 1000 MHz

Overvoltage Capability
Continuous at room temperature (both)

• Voltage: 30 VDC
• Current: 8 VDC