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SeaI/O-470M RS-485 Modbus RTU Interface to 16 A/D, 2 D/A, 8 Open-Collector Outputs, 8 Isolated Inputs Multifunction Module
SeaI/O-470M RS-485 Modbus RTU Interface to 16 A/D, 2 D/A, 8 Open-Collector Outputs, 8 Isolated Inputs Multifunction Module

Part# 470M

(SeaI/O-470M)

RS-485 Modbus RTU Interface to 16 A/D, 2 D/A, 8 Open-Collector Outputs, 8 Isolated Inputs Multifunction Module


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$329.00


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Designed using the Maxim MAX197 successive approximation-type A/D chip, the SeaI/O-470M is an RS-485 Modbus RTU interface providing eight differential or 16 single-ended 12-bit inputs and two 12-bit D/A output channels. The A/D inputs are software selectable for 0-5V, 0-10V, +/-5V, and +/-10V ranges and each channel can be configured via hardware for measuring 4-20mA current loop. The two 12-bit D/A channels are jumper selectable for 0-5V and 0-10V output ranges.

Additionally, the SeaI/O-470M module provides eight optically isolated inputs rated for 5-30VDC and feature 300V external isolation, while eight open-collector outputs can sink up to 580mA - ideal for switching 24V devices commonly found in industrial environments. Perfect for a variety of data acquisition/control and test & measurement applications, the SeaI/O-470M includes removable screw terminals, which simplify field-wiring connections. The SeaI/O-470M is powered from your 9-30VDC source, or select from a variety of Sealevel power supply options.

Communicate with the SeaI/O-470M using industry standard Modbus RTU protocol or use the Sealevel SeaMAX API software libraries from your application program. Sealevel's SeaMAX software drivers and utilities make installation and operation easy using Microsoft Windows and Linux operating systems.

Expand your I/O network with SeaI/O N-series products. SeaI/O modules are available with Reed and Form C relays, optically isolated inputs, TTL interfaces, A/D and D/A functionality. Up to 246 additional expansion modules can be added using convenient pass-through connectors.

Get a jumpstart 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.
Brand/Family SeaI/O
Host Interface(s) RS-485
# of Ports 16/2/8/8
Digital I/O Isolated Inputs, Open-Collector Outputs
Analog I/O A/D Inputs, D/A Outputs
RoHS Compliant Yes
Number of Inputs/Outputs 8 Inputs, 8 Outputs
A/D Chip Maxim MAX197
A/D Inputs 8 Differential or 16 Single-Ended
A/D Resolution 12-bits
A/D Range 0-5V, 0-10V, +/-5V, +/-10V
D/A Resolution 12-bits
D/A Range 0-5V, 0-10V
Input Isolation 300V
Input Range 5-30 VDC
Output Voltage Max. 30V
Output Dissipation Max. 500mA (single), Max. 580mA (all)
Power Requirement 9-30 VDC @ 1.5W
Operating Temperature 0 - +70C
Extended Temperature Call for Options
Storage Temperature -50 - +105C
Humidity Range 10 - 90% Relative Humidity, Non-Condensing
Dimensions 7.5 (L) x 5.1 (W) x 1.3 (H)
  • • RS-485 Modbus RTU interface
  • • 8 differential or 16 single-ended 12-bit inputs
  • • Two 12-bit D/A output channels
  • • 8 optically isolated inputs
  • • 8 open-collector outputs
  • • Removable screw terminals simplify field wiring
  • • Input power via terminal block or modular connector
  • • DIN rail or table mount
  • • Sealevel SeaMAX software supports Microsoft Windows and Linux operating systems








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