105U-L I/O Count Transmitter and Receiver Pair
The ELPRO 105U-L-T (Transmitter) and 105U-L-R (Receiver) products feature a small I/O count, one-way and cost-effective communications between field devices.
The 105U-L series products are flexible by design (i.e., pre-configured pairs for ease of commissioning) and may be used in simple to complex, multi-hop repeating networks (in combination with other ELPRO I/O and gateway products).
Description
Applications:
Flow meter monitoring, Storage tank monitoring, Pipeline cathodic protection, Pump stop-start, Lighting bank control, Power reticulation relay fault notifications, Emergency shower notification, Weather station reporting, Bearing condition monitoring
Transmitter
Unit Specific Features: Input-only I/O: 2 DI/PI (digital inputs can be pulse inputs), 1 AI, 1 TI (thermocouple mV input). Additional internal inputs: set point (analog), power supply voltage, 24VDC, 30mA analog loop supply.
Receiver Unit Specific Features:
Output-only I/O: 3 digital relay/ 1 analog outputs. Communications failure indication and configurable output (retained or reset/fail-safe on communications failure). LED indication of radio signal strength.
Features:
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869.525MHz/500mW or 869.875MHz/5mW frequency options.
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Flexible usage: pre-configured matched transmitter/receiver pair or complex networks via ELPRO
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I/O and/or Gateway products.
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Peer-to-peer communications with exception reporting, self-checking of messages via CRC, update time and secure data encryption.
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Multi-hop repeatability via ELPRO multi-I/O & Gateways products.
Transmitter Features
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2 DI/PI (digital inputs can be pulse inputs), 1 AI (4-20mA), 1 TC (thermocouple input -10 100mV).
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1 AI 24Vdc, 30mA analog loop supply capable.
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Additional internal inputs: set point (analog), power supply voltage.
Receiver Features
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3 DO (relay outputs), 1 AO (0-20mA/4-20mA).
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Communications failure indication via configurable output.
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Receive radio signal strength indication using LED
Spotcom Catalog Numbers:
ELR77 EL-105U-L-P1 I/O Radio Kit: Paired
ELR78 EL-105U-L-P2 I/O Radio Kit: Paired
ELR79 EL-105U-L-P3 I/O Radio Kit: Paired
ELR80 EL-105U-L-R-868-500M I/O Radio (Receiver Only)
ELR81 EL-105U-L-T-868-500M I/O Radio (Transmitter Only)