RS-485 Modbus RTU Interface to 8 16-bit A/D, 8 Isolated Inputs, 8 Form C Relay Outputs Multifunction Module

Part: 570M   Model: SeaI/O-570M

$319.00

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Description

The SeaI/O-570M, designed using the Linear Technology LTC1867 A/D chip, provides eight single-ended 16-bit analog inputs, eight optically isolated inputs and eight Form C relay outputs.

The A/D inputs are independently software selectable for +/- 5V or +/- 15V ranges and feature high input impedance, allowing easy connection to a variety of sensors. The A/D inputs support floating/non-referenced or ground referenced selections. This makes the A/D inputs ideal for measuring floating signal sources such as outputs of transformers, thermistors, and battery-powered devices. Additionally, the A/D inputs can operate in bipolar or unipolar modes, and a dipswitch enables a bias voltage of +5 through a 10K resistor for thermistor input mode.

The SeaI/O-570M module features eight optically isolated inputs rated for 5-30VDC and provides 3500 VDC external isolation, while the Form C relays are configurable as normally-open or normally-closed and can switch DC loads up to 24W. Perfect for a variety of data acquisition/control and test & measurement applications, the SeaI/O-570M includes removable terminal blocks, which simplify field-wiring connections.

The SeaI/O-570M is powered from your 9-30VDC source, or select from a variety of Sealevel power supply options. The modules operate over a wide operating temperature range of -20C to +70C and extended temperature range is optional.

Communicate with the SeaI/O-570M using the Sealevel SeaMAX API software libraries or use any Modbus RTU compliant device. 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.

Additional information

A/D Chip

Linear Technology LTC1867

A/D Inputs

8 Single-Ended

A/D Range

+/-5V, +/-15V

A/D Resolution

16-bits

Analog I/O

A/D Inputs

Family

SeaI/O

Contact Bounce Time

7ms max.

Contact Current

2A max.

Contact Operate Time

5ms max.

Contact Release Time

5ms max.

Contact Voltage

30VDC max.

Digital I/O

Form C Relay Outputs, Isolated Inputs

Dimensions

7.5 (L) x 5.1 (W) x 1.3 (H)

Extended Temperature

Call for Options

Field Wiring

16 – 30 AWG

Humidity Range

10 – 90% Relative Humidity, Non-Condensing

Input Isolation

2500 VAC RMS, 3500 VDC

Input Range

5-30 VDC

Input Impedance

6.2 K Ohms (in series)

Host Interface(s)

RS-485

Number of Inputs/Outputs

16 Inputs / 8 Outputs

Operating Temperature

-20 – +70C

Output Specification

24 VDC @ 1A

Output Type

Form C Relay

# of Ports

8/8/8

Power Connector

1.3mm Barrel, Terminal Block, RJ45 Pass-Through

Power Requirement

9-30 VDC @ 2.3W

RoHS Compliant

Yes

Storage Temperature

-50 – +105C

Switching Capacity

24W

  • RS-485 Modbus RTU interface
  • 8 single-ended 16-bit analog inputs
  • 8 optically isolated inputs
  • 8 Form C relay 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

Windows Software

Software: SeaMAX - Windows

Linux Software

Software: SeaMAX - Linux

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