ES-7710 Rev.6

M3SDY

Super-space-saving Signal Conditioners
M3S-UNIT Series

CURRENT LOOP SUPPLY

Functions & Features
• Powers a two-wire transmitter and galvanically isolates its output signal
• High-density mounting
• Power indicator LED

MODEL: M3SDY–[1]–R[2]

ORDERING INFORMATION

• Code number: M3SDY-[1]-R[2]
Specify a code from below for each of [1] and [2].
  (e.g. M3SDY-A-R/Q)
• Specify the specification for option code /Q
  (e.g. /C01)

INPUT

Current
4 – 20 mA DC (Input resistance 249.5 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.)

POWER INPUT

DC Power
R: 24 V DC
(Operational voltage range 24 V ±10 %, ripple 10 %p-p max.)

[2] OPTIONS

Other Options
blank: none
/Q: Option other than the above (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 mm2, 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 3 – 4)
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
DC: Approx. 1 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
RoHS Directive

EXTERNAL VIEW

EXTERNAL DIMENSIONS & TERMINAL ASSIGNMENTS unit: mm [inch]

SCHEMATIC CIRCUITRY & CONNECTION DIAGRAM