Obvius A8923-4 User Manual

Installation, wiring and setup, Modbus point map, Read instructions throughly prior to install

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Obvius A8923-4 Installation Instructions

IO Module: Analog 4-20mA/0-10V and Pulse to Modbus

WARNING--REFER INSTALLATION AND SERVICING TO QUALIFIED PERSONNEL ONLY!

Read instructions throughly prior to install

This product is not intended for life or safety applications

Applications shown are suggested means of installing this product, but it is the responsibility of the installer to ensure that the
installation is in compliance with all national and local codes. Installation should be attempted only by individuals familiar with
proper installation techniques and with codes, standards, and proper safety procedures for control installations.

Installation, Wiring and Setup

1. Snap unit to existing DIN rail.
2. Connect power supply, network wiring, and sensor inputs as

indicated in wiring diagram.

3. Select network address as indicated by the diagram. Each

modbus device must have a unique address.

4. Auto-detect analog inputs: Make sure all analog devices are

properly installed and powered. Press the “LEARN” button.
Inputs will automatically be identified as 4-20mA or 0-10v.

5. Verify pulse inputs: Contact closure on pulse inputs will cause

red pulse LEDs to blink. Verify each pulse input is functioning
properly.

Modbus Point Map

Address Function

Range

Address

Function

Range

40001

Analog 1 Instantaneous reading.

0-4095

40017

Pulse State Register

*See Note.

40002

Analog 2 Instantaneous reading.

0-4095

40018

Pulse 1 ontime LSW (seconds)

40003

Analog 3 Instantaneous reading.

0-4095

40019

Pulse 1 ontime MSW (seconds)

40004

Analog 4 Instantaneous reading.

0-4095

40020

Pulse 2 ontime LSW (seconds)

40005

Pulse 1 LSW

40021

Pulse 2 ontime MSW (seconds)

40006

Pulse 1 MSW

40022

Pulse 3 ontime LSW (seconds)

40007

Pulse 2 LSW

40023

Pulse 3 ontime MSW (seconds)

40008

Pulse 2 MSW

40024

Pulse 4 ontime LSW (seconds)

40009

Pulse 3 LSW

40025

Pulse 4 ontime MSW (seconds)

40010

Pulse 3 MSW

40026

Analog 1 min

0-4095

40011

Pulse 4 LSW

40027

Analog 1 average

0-4095

40012

Pulse 4 MSW

40028

Analog 1 max

0-4095

40013

Status Register

*See Note.

40029

Analog 2 min

0-4095

40014

Firmware Version (111 = 1.11)

40030

Analog 2 average

0-4095

40015

Uptime Seconds LSW (seconds)

40031

Analog 2 max

0-4095

40016

Uptime Seconds MSW (seconds)

40032

Analog 3 min

0-4095

40033

Analog 3 average

0-4095

40034

Analog 3 max

0-4095

40035

Analog 4 min

0-4095

40036

Analog 4 average

0-4095

40037

Analog 4 max

0-4095

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