MODEL: M3LU

M3LU SPECIFICATIONS

ES-2652 Rev.20 Page 1/6

http://www.m-system.co.jp/

Space-saving Signal Conditioners M3-UNIT Series

UNIVERSAL TRANSMITTER

(field- and PC-configurable)

Functions & Features

• Universal input: mV, V, mA, T/C, RTD, resistance and

potentiometer

• Easy ‘One-Step Cal’ calibration using the front three

control buttons without needing a PC; PC software is also

usable.

• I/O type and ranges are configurable

• Front control button function can be locked

Typical Applications

• Signal conversion between control room and field

instrumentation with isolation

• Ideal for use as a fast solution, multifunctional spare part

18 (.71)

106

(4.17)

mm (inch)

110.5 (4.35)

MODEL: M3LU–[1]/[2][3]

ORDERING INFORMATION

• Code number: M3LU-[1]/[2][3]

Specify a code from below for each [1] through [3].

(e.g. M3LU-R4/A/UL/Q)

• Specify the specification for option code /Q

(e.g. /C01)

• Use Ordering Information Sheet (No. ESU-2652).

Factory setting (indicated below) will be used if not

otherwise specified.

Input: 4 – 20 mA

Output: 4 – 20 mA

INPUT – Field-selectable

DC Current & Voltage

Current: 0 – 20 mA DC

Millivolt: -1000 – +1000 mV DC

Voltage: -10 – +10 V DC

Thermocouple

(PR), K (CA), E (CRC), J (IC), T (CC), B (RH), R, S, C (WRe 5-26),

N, U, L, P (Platinel II)

RTD

Pt 100, Pt 200, Pt 300, Pt 400, Pt 500, Pt 1000,

Ni 100, Ni 120, Ni 508.4Ω, Ni-Fe 604,

Cu 10 @25°C, Pt 50Ω, JPt 100

Potentiometer

Total resistance 80 – 4000 Ω

Resistance

0 – 4000 Ω

OUTPUT – Field-selectable

Current

0 – 20 mA DC

Voltage

-2.5 – +2.5 V DC

-10 – +10 V DC

[1] POWER INPUT

AC Power

M2: 100 – 240 V AC (Operational voltage range 85 – 264 V,

47 – 66 Hz)

(‘/UL’ is not selectable for ‘Standards & Approvals’ code.)

DC Power

R4: 10 – 32 V DC

(Operational voltage range 9 - 36 V, ripple 10 %p-p max.)

[2] CONFIGURATION OPTIONS

A: PC and field configurable

B: Field configurable

[3] OPTIONS (multiple selections)

Standards & Approvals

blank: CE marking

/UL: UL approval, CE marking

Other Options

blank: none

/Q: Option other than the above (specify the specification)

SPECIFICATIONS OF OPTION: Q

COATING (For the detail, refer to M-System's web site.)

/C01: Silicone coating

/C02: Polyurethane coating

/C03: Rubber coating (UL not available)

RELATED PRODUCTS

• PC configurator software (model: M3CFG)

Downloadable at M-System’s web site.

A dedicated cable is required to connect the module to the

PC. Please refer to the internet software download site or

the users manual for the PC configurator for applicable

cable types.