Honeywell 8C-PAIM01 Low Level Analog Input Multiplexer Module

Input Type

Thermocouple (TC) and/or RTD

Input Channels

64 fully isolated (channel-to-channel, channel-to-PM, and channel-to-power supply), in 16-channel increments

Input Scan Rate

1 second fixed (up to 64 channels/second max)

Channel Bandwidth

0 to 4.7 Hz (-3 dB)

Nominal Input Range (TC only)

-20 to +100 mV

Maximum Continuous Input (Non-Damaging)

-10 to +10 V (TC), -1 to +2 V @ 100 mA (RTD)

Gain Error

Max ±0.050% of full scale (within -20 to +100 mV range)

Temperature Stability

TC/mV: ±20 ppm/°C; RTD: ±20 ppm/°C

Long-Term Drift

500 ppm

Input Impedance

1 MΩ (DC, TC only)

CMV (to Power System Common)

±250 VDC or VAC RMS, DC to 60 Hz

CMRR @ 50/60 Hz

≥120 dB (max. 1000 Ω source impedance)

Voltage (Channel-to-Channel)

±250 VDC or VAC RMS, DC to 60 Hz

Crosstalk

80 dB (120 dB at 50 and 60 Hz)

NMRR @ 50/60 Hz

≥60 dB

Line Frequency Integration

Selectable: 50 Hz or 60 Hz

RTD Excitation Current

1 mA

Cold Junction Compensation Range

-20 to +60 °C (±0.5 °C typical)

TC Linearization Accuracy

±0.05 Ω/°C

Open TC Detection Thresholds

≤ 1000 Ω = No trip; ≥ 1500 Ω = Guaranteed trip

RTD Max Lead Resistance

15 Ω

Surge Protection (Sensor Terminals)

EN 61000-4-5 (1 kV line-to-line, 2 kV line-to-ground)

Surge Protection (Power/Serial Link)

EN 61000-4-5 (same as above with cable adapter)

8U-PAIM01

LLMUX, Uncoated

8C-TAIM01

IOTA (64pt), Coated

8U-TAIM01

IOTA (64pt), Uncoated

FTA Models

MC-TAMT04, MC-TAMR04

2.5 x 4.9 x 12.1

63.5 x 124.46 x 307.34