Omega DPi8 User Manual

Te m p e ra tu re & Pro c e ss M o n it o r
DPi8 , DPi8C, DPi1 6 , DPi3 2
Te m p e ra tu re & Pro c e ss Lim it A l a r m
C N i8 -A L, C N i8 C-A L, C N i8 D-A L
C N i1 6 -A L, C N i1 6 D -A L, C N i3 2 -A L
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User’s Guide

Omega DPi8 Specifications

General

Display	Dual 4-digit LED
Power	100-240 VAC, 50/60 Hz
Mounting	Panel Mount
Input Type	Thermocouple, RTD
Output Type	Relay, Voltage, Current
Control Mode	PID, On/Off
Communication	RS-485

Summary

Part 1: Introduction

1.1 Description

1.2 Safety Considerations

Details safety precautions, electrical requirements, and EMC considerations for installation and operation.

Part 2: Setup

2.2 Rear Panel Connections

Details the rear panel layout, input/output connectors, and wiring options for various signals.

2.3 Electrical Installation

Covers main power connections, fuse requirements, and low voltage power options.

2.3.2 Thermocouple Wiring

2.3.3 RTD Wiring

2.3.4 & 2.3.5 Process Input Wiring

2.3.6 Wiring Outputs and Communication

Covers wiring for relay, SSR, pulse outputs, RS-232/485 communication, and excitation outputs.

Part 3: Operation

3.2.1 ID Number Menu

Details how to enter, enable, disable, or change the ID code for security purposes.

3.2.2 Set Points Menu

Explains how to configure Setpoint 1 and Setpoint 2 values for alarm or control functions.

3.2.4 Input Type Menu Flowchart

Input Type: Thermocouple

Input Type: RTD

Input Type: Process

3.2.5 Reading Configuration: Decimal Point

3.2.5 Reading Configuration: Unit and Filter

3.2.5 Reading Configuration: Scale and Offset

Explains how to scale and offset readings for process inputs, using examples.

3.2.6 Alarm 1 Menu

Provides detailed configuration options for Alarm 1.

Alarm 1: Enable/Disable and Modes

Covers enabling/disabling alarms and selecting between Absolute, Deviation, and Latch/Unlatch modes.

Alarm 1: Active Mode Configuration

Details configuring alarm activation modes like Above, Below, Hi/Low, and Band.

Alarm 1: Power-On State and Value Settings

Configures alarm behavior at power-on and sets low/high alarm values.

3.2.7 Alarm 2 Menu

Provides detailed configuration options for Alarm 2.

3.2.9 Setpoint Deviation and Field Calibration

3.2.10 ID Code Menu

ID Code Management and Security Levels

3.2.11 Communication Option Menu

Communication Parameters: Baud, Parity, Data Bits

Communication Parameters: Stop Bits, Bus Format, Protocol

Communication Parameters: Echo, Interface, Data Flow

Data Output Configuration

Data Output: Peak, Valley, Unit, Address

Part 4: Specifications

Specifications: Alarms, Excitation, Insulation, General