DH11020S: Passive Isolator, Loop-Powered Isolator, 2-channel

dh11020-bkaii
5 5 1 Product
Giá: Liên hệ

DH11020S là bộ cách ly tín hiệu thụ động 2 kênh 4-20mA của hãng Drago - Đức hiện đang được BKAII phân phối rộng rãi tại thị trường Việt Nam. Bộ cách ly tín hiệu DH11020S được thiết theo tiêu chuẩn công nghiệp, nhỏ gọn, hiện đang được sử dụng trong các bài toán M2M, IoT của các lĩnh vực: Điện lực, khí tượng thủy văn, giao thông minh, hệ thống kiểm soát an ninh,…

Tính năng của sản phẩm:

  • Galvanic isolation across input and output
    Protection against erroneous measurements due to parasitic voltages or ground loops
  • No power supply required
    Saving costs since wiring is reduced and line influences are omitted
  • Extremely slim design, 1- and 2-channel versions
    Only 3.1 mm DIN-rail per channel
  • Protective Separation acc. to EN61140
    Protects service personnel and downstream devices against impermissibly high voltage
  • Maximum reliability
    No maintenance costs

Thông số kỹ thuật sản phẩm

Input

Input Signal 0(4) to 20 mA
Operating current < 200 µA
Voltage drop < 2.3 V
Overload ≤ 50 mA, 30 V

Output

Output signal 0(4) to 20 mA
Load 600 Ohm
Cut-off frequency -3 dB 100 Hz
Response time T99 5 ms
Residual ripple < 10 mVrms

General Data

Transmission error < 0.1 % full scale
Load error < 0.05 % of measured value / 100 Ohm load
Temperature coefficient 1) < 100 ppm/K
Test voltage 3 kV AC, 50 Hz, 1 min. all circuits against one another
Working voltage 2)
(Basic Insulation)
Up to 600 V AC/DC for overvoltage category II and pollution
degree 2 acc. to EN 61010-1
Protection against electrical shock 2) Protective separation according to EN 61140 by reinforced
insulation in accordance with EN 61010-1 up to 300 V AC/DC
for overvoltage category II and pollution degree 2 between all circuits.
Ambient temperature Operation
Transport and storage
–25 °C to +70 °C   (-13 to +158 °F)
–40 °C to +85 °C   (-40 to +185 °F)
EMC 3) EN 61326-1
Approvals UL (USA/Canada): UL 61010, Class I, Div. 2
ATEX / IECEx: Zone 2 (nA)
Construction 6.2 mm (0.244") housing, protection class: IP 20
mounting on 35 mm DIN rail acc. to EN 60715
Connection Captive plus-minus clamp screws
Wire cross-section max. 2.5 mm² / AWG 14
Stripped length 6 to 8 mm / 0.28 in
Screw terminal torque 0.8 Nm / 7 lbf in
Weight Approx. 70 g

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