ES-5028 Rev.8
M2DU
Super-mini Signal Conditioners Mini-M Series
CURRENT LOOP SUPPLY
(10 – 50 mA loop)
Functions & Features
• Powering a 10 – 50 mA DC current loop
• Isolation
• Shortcircuit protection
• Universal power input
• High-density mounting
Typical Applications
• Various 2-wire transmitters
MODEL: M2DU–24-[1][2]
ORDERING INFORMATION
• Code number: M2DU-24-[1][2]
Specify a code from below for each of [1] and [2].
(e.g. M2DU-24-M/Q)
• Specify the specification for option code /Q
(e.g. /C01/S01)
SUPPLY OUTPUT
24
: 24 V DC
INPUT
Current
10 – 50 mA DC (Input resistance approx. 100 Ω)
OUTPUT
Voltage
1-5 V DC (Load resistance 50 kΩ min.)
[1] POWER INPUT
AC Power
M
: 85 – 264 V AC (Operational voltage range 85 – 264 V,
47 – 66 Hz)
DC Power
R2
: 11 – 27 V DC
(Operational voltage range 11 – 27 V, ripple 10 %p-p max.)
P
: 110 V DC
(Operational voltage range 85 – 150 V, ripple 10 %p-p max.)
[2] OPTIONS
blank
: none
/Q
: With options (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
/C04
: Polyolefin coating
TERMINAL SCREW MATERIAL
/S01
: Stainless steel
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 to output to power
Overrange output
: Approx. -10 to +120 %
Zero adjustment
: -5 to +5 % (front)
Span adjustment
: 95 to 105 % (front)
SUPPLY OUTPUT
Output voltage
: 24 – 28 V DC with no load
Current rating
: ≤ 55mA DC
•
Shortcircuit Protection
Current limited
: ≤ 65 mA
Protected time duration
: No limit
INPUT SPECIFICATIONS
■
DC Current
: Input resistor incorporated
INSTALLATION
Power Consumption
•
AC
: Approx. 5 VA
•
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 %
Temp. coefficient
: ±0.015 %/°C (±0.008 %/°F)
Response time
: ≤ 0.5 sec. (0 – 90 %)
Line voltage effect
Supply output
: ±3 % over voltage range
Output signal
: ±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)
EXTERNAL DIMENSIONS & TERMINAL ASSIGNMENTS unit: mm [inch]
SCHEMATIC CIRCUITRY & CONNECTION DIAGRAM