Application Example: Relio R3 3U Industrial Computer with 18 SeaRAQ I/O Expansion Modules

Application Example: Relio R4 1U Industrial Computer with 2 SeaRAQ I/O Expansion Modules

SeaRAQ 6 Isolated RTD Analog Inputs

Part: 6511 Model: SeaRAQ-6511

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Description

SeaRAQ™ I/O expansion modules provide unprecedented expansion capabilities for Sealevel Relio R3 and Relio R4 industrial computers. The SeaRAQ 6511 analog expansion board is specifically designed to interface RTDs (Resistance Temperature Detectors). RTDs offer a wide temperature measurement range, good accuracy, repeatability, and long-term stability well-suited to industrial applications.

To protect the host computer from harmful voltage spikes commonly found in industrial environments, the 6511 provides 1500 VAC isolation. For easy, reliable field wiring, the board uses removable, high-retention terminal block connectors and is compatible with thin film, wire-wound, and coiled element sensors.

Sealevel’s SeaMAX software drivers and utilities make installation and operation easy using Microsoft Windows and Linux operating systems. Communicate using industry-standard Modbus RTU protocol or use the Sealevel SeaMAX API software libraries from your application program.

Get a jump start on your digital I/O development with The Digital I/O Handbook that will provide helpful information that you will use again and again. Check out Chapter 1 for an overview of logic principles.

Category: SeaRAQ I/O

Additional information

A/D Inputs	6 RTD Inputs
A/D Resolution	16-bits
Analog I/O	RTD Inputs
Family	SeaRAQ
Dimensions	PCB is 6.00" (L) x 4.35" (W)
Extended Temperature	Call for Options
Field Wiring	16 – 30 AWG
Humidity Range	10 – 90% Relative Humidity, Non-Condensing
Input Isolation	1500 VAC RMS (Field-to-Logic)
Input Impedance	>20 MOhms
Input Type	RTD Platinum PT-100, Copper Cu-10, Nickel Ni-120 (2 or 3 wire configuration)
Modbus	Modbus RTU
Operating Temperature	0°C to 70°C (32°F to 158°F)
Plate Connectors	High-Retention, Removable Terminal Blocks
RoHS Compliant	Yes
Storage Temperature	-50°C to 105°C (-58°F to 221°F)

Analog expansion module with six (6) Resistance Temperature Detector (RTD) interfaces
1500 VAC field-to-logic isolation
Industry standard Modbus RTU interface
Input power provided via backplane connector
Field wiring is simplified via removable 3.5mm terminal blocks compatible with 16-30 AWG wire
Includes 20-position, removable, high-retention Phoenix terminal blocks
Sealevel SeaMAX software supports Microsoft Windows and Linux operating systems