MODEL: M2D2
Super-mini Signal Conditioners Mini-M Series

CURRENT LOOP SUPPLY(non-isolated, with indicator LED)
Functions & Features• Powers a 4 – 20mA DC current loop
• Electrically isolating output signal from power input• Shortcircuit protection• Applicable to smart transmitters
Typical Applications• Various 2-wire transmitters[1] POWER INPUTAC Power
M2: 100 – 240 V AC (Operational voltage range 85 – 264 V,47 – 66 Hz)(90 – 264 V for UL)
DC Power
R: 24 V DC
(Operational voltage range 24 V ±10 %, ripple 10 %p-p max.)
R2: 11 – 27 V DC
(Operational voltage range 11 – 27 V, ripple 10 %p-p max.)(Select ‘/N’ for ‘Standards & Approvals’ code.)
P: 110 V DC
(Operational voltage range 85 – 150 V, ripple 10 %p-p max.)(110 V ±10 % for UL)

23 [.91][2] OPTIONS (multiple selections)76[2.99]

Model

124[4.88]
mm [inch]

MODEL: M2D2–24–[1][2]ORDERING INFORMATION• Code number: M2D2-24-[1][2]Specify a code from below for each of [1] and [2].
(e.g. M2D2-24-R/CE/Q)• Specify the specification for option code /Q(e.g. /C01/S01)

Standards & Approvals (must be specified)/N: Without CE or UL/CE: CE marking/UL: UL approval, CE marking
Other Options
blank: none
/Q: Option other than the above (specify the specification)

SPECIFICATIONS OF OPTION: Q (multiple selections)
COATING (For the detail, refer to our web site.)/C01: Silicone coating/C02: Polyurethane coating/C03: Rubber coating (UL not available)/C04: Polyolefin coating (UL not available)
TERMINAL SCREW MATERIAL/S01: Stainless steel (UL not available)

GENERAL SPECIFICATIONSSUPPLY OUTPUT
24: 24 V DC

INPUTCurrent
4 – 20 mA DC (Input resistance 250 Ω)

OUTPUT 1Voltage
1 – 5 V DC (Load resistance 250 kΩ min.)OUTPUT 2Current
4 – 20 mA DC

Construction: Plug-in
Connection: M3 screw terminals (torque 0.8 N·m)
Screw terminal: Chromated steel (standard) or stainlesssteel
Housing material: Flame-resistant resin (black)
Isolation: Input or output to power
Indicator LED: Red light turns on during operation.

SUPPLY OUTPUT
Output voltage: 24V DC with no load
Current rating: 30mA
∙Shortcircuit Protection
Current limited: Approx. 30 mA
Protected time duration: No limit

M2D2 SPECIFICATIONS

MG CO., LTD.
www.mgco.jp

ES-5065 Rev.13 Page 1/4

MODEL: M2D2
INPUT SPECIFICATIONS■ DC Current: Input resistor incorporated

INSTALLATIONPower Consumption•AC:Approx. 3 VA at 100 V
Approx. 4 VA at 200 V
Approx. 5 VA at 264 V•DC: Approx. 3 W
Operating temperature: -5 to +55°C (23 to 131°F)
Operating humidity: 30 to 90 %RH (non-condensing)
Mounting: Surface or DIN rail
Weight: 150 g (0.33 lb)

PERFORMANCE in percentage of span
Accuracy: ±0.1 % (accuracy of the receiving resistor)
Temp. coefficient: ±0.003 %/°C (±0.002 %/°F) (temp.
coefficient of the receiving resistor)
Line voltage effect to supply output: ±3 % over voltage
range
Insulation resistance: ≥ 100 MΩ with 500 V DC
Dielectric strength: 2000 V AC @1 minute (input or outputto power to ground)

STANDARDS & APPROVALS
EU conformity:
EMC Directive
EMI EN 61000-6-4
EMS EN 61000-6-2
Low Voltage Directive
EN 61010-1
Installation Category II
Pollution Degree 2
Input or output to power: Reinforced insulation (300 V)
RoHS Directive
Approval:
UL/C-UL nonincendive Class I, Division 2,Groups A, B, C, and D(ANSI/ISA-12.12.01, CAN/CSA-C22.2 No.213)
UL/C-UL general safety requirements(UL 61010-1, CAN/CSA-C22.2 No.61010-1)

M2D2 SPECIFICATIONS

MG CO., LTD.
www.mgco.jpES-5065 Rev.13 Page 2/4

MODEL: M2D2
EXTERNAL DIMENSIONS unit: mm [inch]
6 [.23]
DIN RAIL
35mm wide

8–M3SCREW
10 [.39]12914 1384 [3.31]

15 [.59]

114 [4.49](4 [.16])

4 [.16]21.5 [.85]559 [2.32]

70.5 [2.78]

2–4.2x5[.17x.20]
MTG HOLE
6 [.24] deep

72 [2.83]

4 1
823 [.91]• When mounting, no extra space is needed between units.

TERMINAL ASSIGNMENTS
SHORTCIRCUIT
WIRE418512914 13

SCHEMATIC CIRCUITRY & CONNECTION DIAGRAM
2-WIRE
TRANSMITTER–+– 4+ 1Current
Limiter

9* +12–OUTPUT 1250Ω

5**+
OUTPUT 28–

13 U(+)POWER

14 V(–)
LED
Base Socket* Short across these terminals for large voltage allowance at Output 2.
Be sure to match specifications of smart transmitter.
Do not connect a capacitive load to Output 1.
**Short across these terminals when not using output 2.

M2D2 SPECIFICATIONS

MG CO., LTD.
www.mgco.jpES-5065 Rev.13 Page 3/4

MODEL: M2D2Specifications are subject to change without notice.

M2D2 SPECIFICATIONS

MG CO., LTD.
www.mgco.jp

ES-5065 Rev.13 Page 4/4