W2DYH2 CURRENT LOOP SUPPLY
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W2DYH2 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
• High-density mounting
Typical Applications
• 2-wire HART transmitters
MODEL: W2DYH2–24A[1]-[2][3]
ORDERING INFORMATION
• Code number: W2DYH2-24A[1]-[2][3]
Specify a code from below for each [1] through [3].
(e.g. W2DYH2-24AA-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 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.)
(Select ‘/N’ for ‘Standards & Approvals’ code.)
P: 110 V DC
(Operational voltage range 85 – 150 V, ripple 10 %p-p max.)
[3] OPTIONS (multiple selections)
Opencircuit detection
blank: none
/B: Opencircuit detector (Output 1)
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 M-System's 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.
Opencircuit detection: Input current 0 mA when the Output 1 loop is open.
Photo MOS Relay ON Resistance; 3 Ω max.
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
Input current: ≥ 0 mA
HART COMMUNICATION
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. 7 VA at 200 V
Approx. 8 VA at 240 V
•DC: Approx. 4 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)
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 1 or output 2 to power input:
Reinforced insulation (300 V)
Input to output 1 to output 2: Basic insulation (300 V)
RoHS Directive
EN 50581
EXTERNAL DIMENSIONS & TERMINAL ASSIGNMENTS unit: mm (inch)
SCHEMATIC CIRCUITRY & CONNECTION DIAGRAM
M-System Việt Nam
Functions & Features
• Powers a 4 – 20 mA DC current loop
• Isolates and relays HART signals
• Shortcircuit protection
• Opencircuit detection selectable
• High-density mounting
Typical Applications
• 2-wire HART transmitters
MODEL: W2DYH2–24A[1]-[2][3]
ORDERING INFORMATION
• Code number: W2DYH2-24A[1]-[2][3]
Specify a code from below for each [1] through [3].
(e.g. W2DYH2-24AA-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 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.)
(Select ‘/N’ for ‘Standards & Approvals’ code.)
P: 110 V DC
(Operational voltage range 85 – 150 V, ripple 10 %p-p max.)
[3] OPTIONS (multiple selections)
Opencircuit detection
blank: none
/B: Opencircuit detector (Output 1)
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 M-System's 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.
Opencircuit detection: Input current 0 mA when the Output 1 loop is open.
Photo MOS Relay ON Resistance; 3 Ω max.
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
Input current: ≥ 0 mA
HART COMMUNICATION
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. 7 VA at 200 V
Approx. 8 VA at 240 V
•DC: Approx. 4 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)
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 1 or output 2 to power input:
Reinforced insulation (300 V)
Input to output 1 to output 2: Basic insulation (300 V)
RoHS Directive
EN 50581
EXTERNAL DIMENSIONS & TERMINAL ASSIGNMENTS unit: mm (inch)
SCHEMATIC CIRCUITRY & CONNECTION DIAGRAM
M-System Việt Nam
Email: Sales@m-system.com.vn
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