ES-5109 Rev.11
M2DYH2
Super-mini Signal Conditioners Mini-M Series
CURRENT LOOP SUPPLY
(applicable to HART signal, opencircuit detection selectable)
Functions & Features
• Powers a 4 – 20 mA DC current loop
• Isolates and relays HART signals
• Shortcircuit protection
• Opencircuit detection selectable
• Applicable to smart transmitters
Typical Applications
• 2-wire HART transmitters
MODEL: M2DYH2–24A–[1][2]
ORDERING INFORMATION
• Code number: M2DYH2-24A-[1][2]
Specify a code from below for each of [1] and [2].
(e.g. M2DYH2-24A-M2/B/CE/Q)
• Specify the specification for option code /Q
(e.g. /C01/S01)
SUPPLY OUTPUT
24
: 24 V DC
INPUT
Current
4 – 20 mA DC (Input resistance approx. 250 Ω)
OUTPUT
Current
A
: 4 – 20 mA DC (Load resistance 600 Ω max.)
[1] POWER INPUT
AC Power
M2
: 100 – 240 V AC (Operational voltage range 85 – 264 V,
47 – 66 Hz)
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.)
[2] OPTIONS (multiple selections)
Opencircuit detection
blank
: none
/B
: Opencircuit detector
Standards & Approvals (must be specified)
/N
: Without CE
/CE
: 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
/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 +110 %
Zero adjustment
: -5 to +5 % (front)
Span adjustment
: 95 to 105 % (front)
Opencircuit detection
: Input current 0 mA when the output loop is open.
Photo MOSFET Relay ON Resistance; 3 Ω max.
SUPPLY OUTPUT
(across the terminals 1 – 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
: 30 mA max.
Protected time duration
: No limit
INPUT SPECIFICATIONS
■
DC Current
: Input resistor incorporated
Input current
: ≥ 0 mA
HART COMMUNICATION
Transmission gain
: Approx. -3 dB (within 1 – 3 kHz)
measured with 250 Ω at output
Output load (loop impedance) 250 Ω ±10% is required for HART communication.
Communication directions
: Bidirectional
INSTALLATION
Power Consumption
•
AC
:
Approx. 4 VA at 100 V
Approx. 6 VA at 200 V
Approx. 7 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 %
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)
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 DIMENSIONS & TERMINAL ASSIGNMENTS unit: mm [inch]
SCHEMATIC CIRCUITRY & CONNECTION DIAGRAM