LongRT Base

Product catalog summary

Overview
The LongRT Base Unit (LBU) by Cervis, Inc. is a configurable command and control unit designed for industrial applications. It features a rugged, weatherproof design suitable for harsh environments and complies with ISO 13849 Category 3 Pld for safety.

Features

Rugged high-impact polymer enclosure
Real-time clock and 8-character LED display
CAN capable with 16 digital I/O, 2 analog outputs, and 2 analog inputs
Operates on frequencies from 450MHz to 470MHz
Field upgradeable with removable antenna
Weatherproof design with 2 form-C relays and 2 frequency counters

Specifications

Power Ratings: Operating voltage ranges from 7 to 30VDC with reverse and over-voltage protection.
Environment: Operates in temperatures from -40 to +85°C and humidity from 0 to 100%.
Indicators: Includes application-specific indicators and LED display for transmission and reception status.
Digital I/O: 16 outputs with high-side switch type, max source current of 4A, and PWM frequency up to 1000Hz.
Analog I/O: Two analog outputs and four analog inputs with voltage range from 0V to input voltage.
Serial Communications: Supports CAN protocol (SAE J1939/CANopen) and RS-232 port for upgrades and debugging.
Enclosure: Dimensions are 21.59 x 16.31 x 5.715 cm, weighing 0.680 kg.
Radio: Frequency range of 450MHz to 470MHz with RF power of 100mW and a range up to one mile.

Connector Pin Configurations
The document provides detailed pin configurations for connectors labeled A, B, C, and D, specifying the function of each pin.

Mounting Dimensions
Includes specific mounting dimensions for installation.

Catalog excerpts

Engineering SpecSheet 0k LongRT Base Unit (LBU) Features S Rugged High-Impact Polymer Enclosure S Real-Time Clock S 8-Character LED Display S CAN Capable S 16-Digital I/O, 2-AO, 2-AI S 450MHz to 470MHz S Logging S Field Upgradeable S Removable Antenna S 2-Form-C Relays S Weatherproof Design S 2-Frequency Counters The LongRT Base Unit (LBU) represents the next generation of Cervis configurable command and control machine-mounted units. Designed for safety, the LBU employs a dual processor architecture compliant with ISO 13849 Category 3 Pld. Versatile and configurable, the LBU enables complex command and control solutions in harsh environments and industrial applications. Outputs Type Max. Source I Avg. Source I One H-Bridge Output Protection PWM Frequency INPUT Type I Sense Threshold Total Weight Radio Frequency RF Power License Modulation Range Antenna Specifications Max. Power Ratings Operating Voltage Reverse Voltage Protection Over Voltage Protection Operating Power Max. Cont. I Sourcing Environment Operating Temp Storage Temp Humidity Available for application specific use Lit when message transmitted Lit when message received Lit when safety-link is active Blinks during normal operation 8-character LED M1-M16 High-Side switch 4A 2A M1 & M2 Over current; under current; over temp. 0 - 1000Hz* M1-M16 Current sense 5mA typical; 10mA max. Form-C RELAY (Two, M17 & M18) Max. Contact V 277VAC, 30VDC Max. Contact I 8A max. switching @ 250VAC or VDC Analog Output (Two, M19 & M20) Voltage Range 0V to Input Voltage Drive Current 30mA Analog Input (Four, M21-M24) Voltage Range 0V to Input Voltage Input Impedance 10000Q Analog Input (Two, M25 & M26) Frequency Counters Serial Communications CAN Protocol SAE J1939/CANopen RS-232 Port Upgrade/Debug 0.680kg (1.5lbs) 450MHz to 470MHz 100mW (+20 dBm max) Certified FCC Part-90 2-GFSK Up to One Mile External, RP-TNC 50Q port *1000Hz max. when a single channel is configured for PWM output. Increasing the number of PWM channels decreases the max. PWM frequency. ** For best performance, do not connect antenna directly to the base unit. Instead, Cervis recommends to use an extension cable with an antenna base plate mount. LongRT Base Unit February 9, 2015

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