Technical Specifications For 51304362-100 MU-PLAM02

Item	Specification
Brand	Honeywell
Model	MU-PLAM02
Part Number	51304362-100
Product Type	Low Level Analog Input Multiplexer Processor
Input Channels	32 galvanically isolated
Input Type	Thermocouple, RTD, and linear millivolts
A/D Converter Resolution	14 bits
Crosstalk	120 dB, dc to 60 Hz
Input Impedance	2 MΩ minimum at 100 mV
Input Scan Rate	32 samples per second; each channel once per second

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Product Overview

MU-PLAM02 serves as a high-density signal acquisition element for process environments where temperature and low-level millivolt measurements need to reach the control system with stable conversion performance. The 32-channel architecture allows thermocouples, RTDs, and linear millivolt sensors to be handled within a compact I/O arrangement, making the processor suitable for monitoring furnaces, reactors, heat-treatment equipment, process vessels, pipelines, and other temperature-sensitive equipment. The combination of galvanic isolation, line-frequency synchronization, signal filtering, and defined measurement accuracy supports dependable process-variable collection for continuous monitoring and control strategies.

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FAQ FOR THE 51304362-100 MU-PLAM02

01.What type of signals can MU-PLAM02 process?

MU-PLAM02 processes thermocouple, RTD, and linear millivolt signals. Supported thermocouples include J, K, E, T, B, S, R, and Japan Type R. Linear millivolt input supports a 0 to 100 mV range.

02.Why does MU-PLAM02 use galvanically isolated channels?

Galvanic isolation separates individual measurement circuits electrically and helps protect low-level process measurements from common-mode voltage effects and unwanted interaction between field circuits.

03.Can 51304362-100 measure RTD temperature signals?

Yes. 51304362-100 supports 3-wire RTD configurations including Pt 100 Ω DIN, Pt 100 Ω JIS, Ni 120 Ω Ed #7, and Cu 10 Ω sensors.

04.What accuracy can 51304362-100 provide?

51304362-100 provides hardware accuracy of ±40 µV or ±160 mΩ at 23.5 ±2°C. Software temperature-conversion accuracy reaches ±0.1°C typical and ±0.5°C maximum at 23.5 ±2°C.

05.How does MU-PLAM02 handle line-frequency interference?

MU-PLAM02 provides software-configurable synchronization for 50 Hz or 60 Hz operation. Thermocouple and voltage configurations provide a minimum 60 dB NMRR at line frequency.

06.Can 51304362-100 withstand common-mode voltage?

Yes. 51304362-100 supports 250 Vac peak or ±250 Vdc common-mode voltage from dc through 60 Hz, with 1500 Vac rms or ±1500 Vdc dielectric strength under the specified channel conditions.

KEY FEATURE

MU-PLAM02 handles 32 galvanically isolated low-level analog inputs, allowing multiple field measurement signals to be acquired within a single I/O processor.

32-Channel Galvanic Isolation

MU-PLAM02 accepts thermocouple, RTD, and linear millivolt signals, covering multiple temperature-sensing technologies and 0–100 mV measurement applications.

Broad Temperature Signal Support

120 dB crosstalk performance, 2 MΩ minimum input impedance, 250 Vac peak or ±250 Vdc common-mode capability, and 1500 Vac rms or ±1500 Vdc dielectric strength provide strong electrical separation for low-level measurements

High Signal Integrity

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HONEYWELL 51304362-100 MU-PLAM02 Analog Input Multiplexer Processor

Technical Specifications For 51304362-100 MU-PLAM02

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