ES-5022 Rev.20

M2D

Super-mini Signal Conditioners Mini-M Series

CURRENT LOOP SUPPLY

(non-isolated)
Functions & Features
• Powers a 4 – 20 mA DC current loop
• Electrically isolating output signal from power input
• Shortcircuit protection
• Applicable to smart transmitters
Typical Applications
• Various 2-wire transmitters

MODEL: M2D–[1]–[2][3]

ORDERING INFORMATION

• Code number: M2D-[1]-[2][3]
Specify a code from below for each of [1] through [3].
  (e.g. M2D-24-R/CE/Q)
• Specify the specification for option code /Q
  (e.g. /C01/S01)

[1] SUPPLY OUTPUT

24: 24 V DC
30: 30 V DC
(Only ‘/N’, ‘/CE’ or ‘/UK’ is selectable for
‘Standards & Approvals’ code.)
42: 42 V DC
(Only ‘/N’, ‘/CE’ or ‘/UK’ is selectable for
‘Standards & Approvals’ code.)

INPUT

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

OUTPUT 1

Voltage
1 – 5 V DC (Load resistance 250 kΩ min.)

OUTPUT 2

Current
4 – 20 mA DC

[2] POWER INPUT

AC Power
M: 85 – 264 V AC (Operational voltage range 85 – 264 V,
47 – 66 Hz) 
(Select ‘/N’ for ‘Standards & Approvals’ code.)
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.)
(Select ‘/N’ for ‘Standards & Approvals’ code.)

[3] OPTIONS (multiple selections)

Standards & Approvals (must be specified)
/N: Without CE, UKCA or UL
/CE: CE marking
/UK: CE, UKCA 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 SPECIFICATIONS

Construction: Plug-in
Connection: M3 screw terminals (torque 0.8 N·m)
Screw terminal: Chromated steel (standard) or stainless steel
Housing material: Flame-resistant resin (black)
Isolation: Input or output to power

SUPPLY OUTPUT

Output voltage (with no load):
  24 V use: 24 – 28 V DC
  30 V use: 30 – 34 V DC
  42 V use: 39 – 43 V DC
Current rating: ≤ 22 mA DC
Shortcircuit Protection
Current limited
: 35 mA max.
Protected time duration: No limit

INPUT SPECIFICATIONS

DC Current: Input resistor incorporated

INSTALLATION

Power Consumption
•AC (100 – 264 V):

 4.5 – 7.5 VA or less (24 V use)
 4.0 – 6.3 VA or less (30 V use)
 5.2 – 7.1 VA or less (42 V use)
DC:
 3.75 W or less (24 V use)
 2.4 W or less (30 V use)
 3.0 W or less (42 V use)
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 output to power to ground)

STANDARDS & APPROVALS

EU conformity:
EMC Directive 
  EMI EN 61000-6-4
  EMS EN 61000-6-2
RoHS Directive
UK conformity (UKCA):
The UK legislations and designated standards are equivalent to the applicable EU directives.
(Refer to our website for more information about the legislations and designated standards.)
Approval:
UL/C-UL nonincendive Class I, Division 2,
  Groups A, B, C, and D
  (UL 121201, CAN/CSA-C22.2 No.213-17)
UL/C-UL general safety requirements
  (UL 61010-1, CAN/CSA-C22.2 No.61010-1-12)

EXTERNAL DIMENSIONS unit: mm [inch]

TERMINAL ASSIGNMENTS

SCHEMATIC CIRCUITRY & CONNECTION DIAGRAM