RLH Industries Analog Signal 4~20mA Fiber Link System User Manual

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USER GUIDE
Analog Signal 4~20mA Fiber Link System
Transmits a 4~20mA Analog Signal over Fiber
The Analog Signal DIN Fiber Link system transmits a 4~20mA analog
signal over one op�cal fiber. It also offers a 12 bit signal resolu�on
and less than 0.2% source signal variance.
Compa�ble with most PLC's, Sensors (2, 3, or 4 wire), and other
types of equipment where a precise current measurement must be
taken and transmi�ed over fiber. The system comprises of a
transmi�er (Analog Input) and a receiver (Analog Output), each
device has a compact DIN and wall mountable housing.
This compact and rugged system provides convenient and easy to
read LEDs, supports both single-mode and mul�mode fiber
applica�ons, and includes an alarm the receiver side for monitoring
system power and fiber health. Designed to operate over an
extreme temperature range, providing reliability in harsh
environments. Designed and Made in the USA and covered by our
Limited Life�me Warranty.
Key Features
Rugged design – Extreme opera�ng temperature ra�ng
Convenient LEDs for power, fiber, and 4~20mA signal
Single and dual fiber models available
Available with ST or SC connectors & single or mul�mode fiber
Transmit a 4~20mA signal over fiber
Update rate: 1,300 samples a second
12 Bit signal resolu�on
99.8% accuracy or be�er
Alarm contact for status monitoring
Built-in surge, over current, and polarity reversal protec�on
DIN rail or wall mount (Includes wall mount ears)
Limited Life�me Warranty
Made in USA
RLH Industries, Inc.
936 N. Main Street, Orange, CA 92867
RLH Industries, Inc.
Fiber Optic Link
Phone: 800-877-1672
www.fiberopticlink.com
Analog Signal 4~20mA Fiber Link System
Dimensions
FAX: 714-532-1885
email: info@fiberopticlink.com
The leader in
rugged, fiber op�c
technology
UG-M069 2021-12-13

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Summary of Contents for RLH Industries Analog Signal 4~20mA Fiber Link System

  • Page 1 USER GUIDE www.fiberopticlink.com UG-M069 2021-12-13 Analog Signal 4~20mA Fiber Link System Transmits a 4~20mA Analog Signal over Fiber The Analog Signal DIN Fiber Link system transmits a 4~20mA analog signal over one op�cal fiber. It also offers a 12 bit signal resolu�on and less than 0.2% source signal variance.
  • Page 2: General Safety Practices

    The leader in RLH Industries, Inc. rugged, fiber op�c Fiber Optic Link technology USER GUIDE www.fiberopticlink.com General Safety Practices The equipment discussed in this document may require tools designed for the purpose being described. RLH recommends that service personnel be familiar with the correct handling and use of any installa�on equipment used, and follow all safety precau�ons including the use of protec�ve personal equipment as required.
  • Page 3: System Diagram

    The leader in RLH Industries, Inc. rugged, fiber op�c Fiber Optic Link technology USER GUIDE www.fiberopticlink.com Applications By u�lizing fiber op�c cable, the 4~20mA Analog Signal system provides absolute electrical isola�on between both ends of the communica�ons network. It is immune to EMI/RF interference, ground loops, and high voltage surges from lightning or ground faults, and is ideal in electrically noisy environments such as near large power sources, electrical motors, and radio communica�ons equipment.
  • Page 4 The leader in RLH Industries, Inc. rugged, fiber op�c Fiber Optic Link technology USER GUIDE www.fiberopticlink.com Applications (cont’d) 4~20mA System – 3-Wire Transmitter Wiring When connec�ng a 3-wire transmi�er to the RLH fiber transmi�er (AD-420TX-XX-X), the RLH transmi�er is always a sinking input, expec�ng the source voltage or current to be supplied by the remote device.
  • Page 5: Installation

    The leader in RLH Industries, Inc. rugged, fiber op�c Fiber Optic Link technology USER GUIDE www.fiberopticlink.com Installation Prior to installa�on: ■ Check for shipping damage ■ Check the contents to ensure correct model and fiber type ■ Have a clean, dry installa�on environment ready ■...
  • Page 6: Wall Mounting

    The leader in RLH Industries, Inc. rugged, fiber op�c Fiber Optic Link technology USER GUIDE www.fiberopticlink.com Installation (cont’d) DIN Rail Mounting The DIN clip for moun�ng the system is mounted onto the rear panel. Hook the DIN clip on the top flange of the DIN rail and rotate to the locked posi�on to install.
  • Page 7: Connect Power

    The leader in RLH Industries, Inc. rugged, fiber op�c Fiber Optic Link technology USER GUIDE www.fiberopticlink.com Installation (cont’d) Connect Fiber Optic Cable Connect fiber to the transmit and receive op�cal connectors on the front of the units. Fiber cable should always be routed loosely avoiding �ght bends.
  • Page 8: Led Identification

    If trouble is encountered, verify all copper and fiber connec�ons, signal and voltage levels. If the alarm is on, check the fiber cable and connec�ons, or the other units power source and connec�ons. If trouble persists, contact RLH Industries, Inc. technical support department*. *Tech support contact info is at the end of this document RLH Industries, Inc.
  • Page 9: Ordering Information

    The leader in RLH Industries, Inc. rugged, fiber op�c Fiber Optic Link technology USER GUIDE www.fiberopticlink.com Ordering Information Transmi�er/Receiver Mode Connector Distance Part Number Transmi�er Mul�mode 2km/1.2 miles AD-420TX-03-1 Receiver Mul�mode 2km/1.2 miles AD-420RX-03-1 Transmi�er Mul�mode 2km/1.2 miles AD-420TX-04-1 Receiver Mul�mode...
  • Page 10: Key Specifications

    The leader in RLH Industries, Inc. rugged, fiber op�c Fiber Optic Link technology USER GUIDE www.fiberopticlink.com Key Specifications Transmission Method: Frequency modulated light via a single op�cal fiber 1310nm (62.5/125μm, 50/125μm) Multimode: 1310nm (8~9/125μm) Singlemode: 1550nm (8~9/125μm) Singlemode Long Haul: 8dB / 1.2 miles (2km) +/-2dB...
  • Page 11: Tech Support

    The leader in RLH Industries, Inc. rugged, fiber op�c Fiber Optic Link technology USER GUIDE www.fiberopticlink.com Contact A�: Sales By Mail: RLH Industries, Inc. 936 N. Main St. Orange, CA 92867 By Phone: Local 714-532-1672 Sales / Service Toll Free...

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