ES-2666 Rev.8
M3DY
Space-saving Signal Conditioners M3-UNIT Series
CURRENT LOOP SUPPLY
Functions & Features
• Powers a two-wire transmitter with 4-20 mA
DC output and galvanically isolates its output signal
• High-density mounting available
• Power indicator LED
• Smart transmitter available
MODEL: M3DY–[1]–[2][3]
ORDERING INFORMATION
• Code number: M3DY-[1]-[2][3]
Specify a code from below for each of [1] through [3].
(e.g. M3DY-A-R/Q)
• Specify the specification for option code /Q
(e.g. /C01)
INPUT
Current
4 – 20 mA DC (Input resistance approx. 250 Ω)
[1] OUTPUT
Current
A
: 4 – 20 mA DC (Load resistance 550 Ω max.)
Voltage
4
: 0 – 10 V DC (Load resistance 10 kΩ min.)
5
: 0 – 5 V DC (Load resistance 5000 Ω min.)
6
: 1 – 5 V DC (Load resistance 5000 Ω min.)
[2] POWER INPUT
DC Power
R
: 24 V DC
(Operational voltage range 24 V ±10 %, ripple 10 %p-p max.)
Universal
AD
: 100 – 240 V AC / 24 – 240 V DC (universal)
(Operational voltage range 90 - 264 V AC, 47 - 66 Hz /
21.6 - 264 V DC, ripple 10 %p-p max.)
[3] OPTIONS
blank
: none
/Q
: With options (specify the specification)
SPECIFICATIONS OF OPTION: Q
COATING (For the detail, refer to our web site.)
/C01
: Silicone coating
/C02
: Polyurethane coating
/C03
: Rubber coating
GENERAL SPECIFICATIONS
Construction
: Small-sized front terminal structure
Connection
: Euro type connector terminal
(applicable wire size: 0.2 to 2.5 mm
2
, stripped length 8 mm)
Housing material
: Flame-resistant resin (gray)
Isolation
: Input to output to power
Zero adjustment
: -2 to +2 % (front)
Span adjustment
: 98 to 102 % (front)
Power indicator LED
: Green LED turns on when the power is supplied.
SUPPLY OUTPUT
(Across the terminals 4 – 5)
Output voltage
: 24 – 28 V DC with no load
18 V DC min. at 20 mA
Current rating
: ≤ 22 mA DC
•
Shortcircuit Protection
Current limited
: 45 mA max.
Protected time duration
: No limit
INPUT SPECIFICATIONS
■
DC Current
: Input resistor incorporated
INSTALLATION
Power Consumption
•
AC
:
Approx. 3 VA at 100 V
Approx. 4 VA at 200 V
Approx. 5 VA at 264 V
•
DC
: Approx. 2 W
Operating temperature
: -20 to +55°C (-4 to +131°F)
Operating humidity
: 30 to 90 %RH (non-condensing)
Mounting
: DIN rail
Weight
: 100 g (0.22 lb)
PERFORMANCE in percentage of span
Accuracy
: ±0.1 %
Temp. coefficient
: ±0.015 %/°C (±0.008 %/°F)
Response time
: ≤ 100 msec. (0 – 90 %)
Line voltage effect
: ±0.1 % over voltage range
Insulation resistance
: ≥ 100 MΩ with 500 V DC
Dielectric strength
: 2000 V AC @1 minute (input to output to 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)
Input to output: Basic insulation (300 V)
RoHS Directive
EXTERNAL VIEW
EXTERNAL DIMENSIONS & TERMINAL ASSIGNMENTS unit: mm [inch]
SCHEMATIC CIRCUITRY & CONNECTION DIAGRAM