ES-5527 Rev.9
W2DYH
Space-saving Dual Output Signal Conditioners
Mini-MW Series
CURRENT LOOP SUPPLY
(applicable to HART signal)
Functions & Features
• Powers a 4 – 20 mA DC current loop
• Isolates and relays HART signals
• Shortcircuit protection
• High-density mounting
Typical Applications
• 2-wire HART transmitters
MODEL: W2DYH–24A[1]-[2][3]
ORDERING INFORMATION
• Code number: W2DYH-24A[1]-[2][3]
Specify a code from below for each of [1] through [3].
(e.g. W2DYH-24AA-M2/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 250 Ω)
OUTPUT 1
Current
A
: 4 – 20 mA DC (Load resistance 600 Ω max.)
225 - 600 Ω for HART communication
[1] OUTPUT 2
Y
: None
Current
A
: 4 – 20 mA DC (Load resistance 350 Ω max.)
[2] 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.)
P
: 110 V DC
(Operational voltage range 85 – 150 V, ripple 10 %p-p max.)
[3] 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
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 1 to output 2 to power
Overrange output
: Approx. -10 to +110 %
Zero adjustment
: -5 to +5 % (front)
Span adjustment
: 95 to 105 % (front)
Adjustable individually for each output 1 and output 2.
SUPPLY OUTPUT
(across the terminals 1 – 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
: 30 mA max.
Protected time duration
: No limit
INPUT SPECIFICATIONS
■
DC Current
: Input resistor incorporated
HART COMMUNICATION
Frequency band
: 500 Hz – 10 kHz (within -10 dB)
Transmission gain
: Approx. -3 dB (within 1 – 3 kHz)
measured with 250 Ω at output
Loop impedance
: 250 Ω ±10 %
Communication directions
: Bidirectional
(HART communication not available for Output 2)
INSTALLATION
Power Consumption
•
AC
:
Approx. 5 VA at 100 V
Approx. 6 VA at 200 V
Approx. 7 VA at 240 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
: 200 g (0.44 lb)
PERFORMANCE in percentage of span
Accuracy
: ±0.1 %
Temp. coefficient
: ±0.015 %/°C (±0.008 %/°F)
Response time
Output signal 1: ≤ 0.5 sec. (0 – 90 %)
Output signal 2: ≤ 0.2 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
1 to output 2 to power to ground)
EXTERNAL DIMENSIONS & TERMINAL ASSIGNMENTS unit: mm [inch]
SCHEMATIC CIRCUITRY & CONNECTION DIAGRAM