A3DYH-2A-R [MSYSTEM]
Intrinsically Safe Galvanic Isolators A3-UNIT Series;
| 型号： | A3DYH-2A-R |
| 厂家： | 
M-SYSTEM |
| 描述： | Intrinsically Safe Galvanic Isolators A3-UNIT Series |
| 文件： | 总4页 (文件大小：123K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
MODEL: A3DYH
Intrinsically Safe Galvanic Isolators A3-UNIT Series
POWER INPUT
DC Power
R: 24 V DC
CURRENT LOOP SUPPLY
(HART communication)
(Operational voltage range 24 V ±10 %, ripple 10 %p-p max.)
Functions & Features
• Powers a 4 – 20 mA DC current loop
• Isolated intrinsically safe associated apparatus: no need of
grounding
GENERAL SPECIFICATIONS
Construction: Stand-alone; terminal access at the front
Connection: Euro type connector terminal
• Isolates and relays HART signals bidirectionally
• Shortcircuit protection
(applicable wire size: 0.2 to 2.5 mm
2, stripped length: 8
mm)
• Power LED
Housing material: Flame-resistant resin (gray)
Isolation: Input to output to power
Typical Applications
Overrange output: Approx. -10 to +110 %
Zero adjustment: -2 to +2 % (front)
Span adjustment: 98 to 102 % (front)
Power indicator LED: Green LED turns on while the power is
supplied.
• 2-wire HART transmitters
18 (.71)
106
(4.17)
SUPPLY OUTPUT
■ SUPPLY OUTPUT (across the terminals 1 – 2, 4 – 5)
Output voltage: Approx. 22 V DC with no load 14 V DC
minimum at 20 mA.
110.5
(4.35)
A loop-powered device (e.g. indicator) through which the
A3DYH supplies excitation voltage to a two-wire transmitter
causes a certain voltage drop. Be sure that the voltage after
the drop remains within the transmitter’s operating range.
Current rating: ≤ 22 mA DC
mm (inch)
MODEL: A3DYH–[1]A–R
• Shortcircuit Protection
ORDERING INFORMATION
• Code number: A3DYH-[1]A-R
Current limited: 30 mA max.
Protected time duration: No limit
Specify a code from below for [1].
(e.g.: A3DYH-0A-R)
INPUT SPECIFICATIONS
■ INPUT: Input resistor incorporated.
For the safety approval code 2, specify the product’s
destination country using Ordering Information Sheet (No.
ESU-5971).
Approx. 330Ω as two-wire transmitter excitation supply;
approx. 45 Ω as isolator with 4 – 20 mA input
[1] SAFETY APPROVAL
0: None
OUTPUT SPECIFICATIONS
■ LOAD RESISTANCE: 550 Ω max. (230 min. required for
HART communication)
1: FM intrinsically safe
2: CENELEC intrinsic safety (ATEX)
HART COMMUNICATION
Frequency band: 500 Hz – 5 kHz (within -3 dB)
INPUT
Current
Communication directions: Bidirectional
4 – 20 mA DC
INSTALLATION
Power consumption
OUTPUT
Current
•DC: Approx. 3 W
A: 4 – 20 mA DC
Operating temperature: -5 to +55°C (23 to 131°F)
Operating humidity: 0 to 95 %RH (non-condensing)
A3DYH SPECIFICATIONS
ES-5971 Rev.8 Page 1/4
http://www.m-system.co.jp/
MODEL: A3DYH
Mounting: DIN rail
Weight: 130 g (0.29 lb)
PERFORMANCE in percentage of span
Accuracy: ±0.1 %
Temp. coefficient: ±0.015 %/°C (±0.008 %/°F)
Response time: ≤ 0.1 sec. (0 – 90 %)
Line voltage effect: ±0.1 % over voltage range
Insulation resistance: ≥ 100 MΩ with 500 V DC
Dielectric strength: 1500 V AC @ 1 minute
(input to output or power to ground)
500 V AC @ 1 minute (output to power)
STANDARDS & APPROVALS
Refer to the manuals to comply with the standards.
EU conformity:
ATEX Directive (for ATEX intrinsic safety)
Ex ia EN 60079-11
EMC Directive
EMI EN 61000-6-4
EMS EN 61000-6-2
RoHS Directive
EN 50581
Safety approval:
FM: Intrinsically safe associated apparatus
Class I, Div. 1, Groups A, B, C and D
Class II, Div. 1, Groups E, F and G
Class III, Div. 1
Class I, Zone 0, [AEx ia] IIC
(Class 3600)
(Class 3610)
(ANSI/ISA 60079-0)
(ANSI/ISA 60079-11)
CENELEC: Intrinsic safety associated apparatus (ATEX)
II (1) G, [Ex ia Ga] IIC
(EN 60079-0)
(EN 60079-11)
A3DYH SPECIFICATIONS
ES-5971 Rev.8 Page 2/4
http://www.m-system.co.jp/
MODEL: A3DYH
HART COMMUNICATION
■ CENELEC (ATEX)
Voltages, Currents
Co
Lo
Lo / Ro
[μH / Ω]
30
Ci
[μF]
----
----
----
----
Li
[μH]
----
----
----
----
Terminal No.
Group
and Powers
Uo = 26.25V
Io = 88.4mA
Po = 580mW
Uo = 1.1V
[μF]
[mH]
2.2
1 or 4 to 2, 3 or 5
IIC
IIB
0.075
0.650
2.150
100
16.2
28.0
17.5
220
IIA
378
2 or 5 to 3
IIC, IIB
or IIA
----
Io = 45mA
Po = 13mW
Ui = 30V
IIC, IIB
or IIA
----
----
----
0
0
Ii = 250mA
Pi = 1W
7 to 8 and 11 to 12
Um = 250Vrms
----
■ FM
Voltages, Currents
and Powers
Group
(NEC 500)
A or B
Group
Ca (Co)
[μF]
La (Lo)
La / Ra (Lo / Ro)
Terminal No.
(NEC 505)
IIC
[mH
]
[
μH / Ω
]
1 or 4 to 2, 3 or 5
Voc (Uo) = 27.5V
Isc (Io) = 93mA
Po = 640mW
0.075
0.65
4
54
C or E
IIB
16.2
32.5
18
220
442
----
D,
F
or
G
IIA
2.15
2 or 5 to 3
Voc (Uo) = 1.1V
Isc (Io) = 45mA
Po = 13mW
A, B, C, D
E, F or G
IIC, IIB
or IIA
100
7 to 8 and 11 to 12
Um = 250Vrms
----
EXTERNAL DIMENSIONS & TERMINAL ASSIGNMENTS unit: mm (inch)
10 11 12
7
8
9
DIN RAIL
35mm wide
1
4
2
5
3
6
18 (.71)
110.5 (4.35)
[5 (.20)]
• When mounting, no extra space is needed between units.
A3DYH SPECIFICATIONS
ES-5971 Rev.8 Page 3/4
http://www.m-system.co.jp/
MODEL: A3DYH
SCHEMATIC CIRCUITRY & CONNECTION DIAGRAM
Hazardous Location Non-Hazardous Location
Shortcircuit
Protection
Excitation
Supply
+
–
1
9
2-WIRE
XMTR
Safety
Barrier
10
Z
S
Isolation
4–20mADC
Low Drift
Amplifier
Output
Driver
+
–
+
7
2
3
4
5
6
*
4–20mA
SIGNAL
RL
OUTPUT
HHC
–
8
POWER LED
*
+
–
11
12
HHC
POWER
Euro Type Connector Terminal
*Hand-held communicator
Specifications are subject to change without notice.
A3DYH SPECIFICATIONS
ES-5971 Rev.8 Page 4/4
http://www.m-system.co.jp/
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