Delta Electronics CTA4 User Manual

Timer/Counter/Tachometer
User Manual

Delta Electronics CTA4 Specifications

General

Output Frequency	50/60 Hz
Enclosure Rating	IP20
Input Voltage	100 ~ 240 VAC
Protection Functions	Overvoltage, Overcurrent
Communication	RS-485, Modbus RTU
Resolution	0.1V
Power Supply	100 ~ 240 VAC
Relative Humidity	5% to 95% non-condensing
Storage Temperature	-20°C to +70°C

Summary

FORWORD

NOTES

CHAPTER ONE: BASIC INSTRUCTIONS

1.1 Features

Can be a timer, counter, or tachometer and can operate in timer + counter mixed mode.

1.2 Ordering Information

There are currently two model types available: CTA4000A and CTA4100A, only differentiating in the type of output 2.

1.3 Specifications

Lists technical specifications like power input, display, and environmental ratings.

1.4 Display, Indicators & Keys

Explains the function of various indicators and keys on the device.

1.5 Dimensions

Provides detailed physical dimensions of the CTA unit.

1.6 Terminals Definition

Defines the purpose of different terminals based on operating modes.

1.7 Default Settings

Outlines the preset parameters for timer, counter, tachometer, and mixed modes.

1.8 Easy DIP Switch Setup

Details the DIP switch configurations for timer and counter modes.

CHAPTER TWO: FUNCTIONS

2.1 Timer

Explains the timer function, including counting up/down modes.

2.1.1 Setting up the counting unit

Describes how to set the time units for the timer function.

2.1.2 Setting up the parameters in the timer

Guides on configuring timer parameters like mode, output, and signal settings.

2.2 Counter

Details the different counter functions: 1-stage, 2-stage, batch, total, dual.

2.2.1 Setting up the parameters in the counter

Explains how to configure counter parameters like mode, speed, and signal types.

2.3 Tachometer

Explains how the tachometer measures pulse width and displays frequency.

2.3.1 Setting up the parameters in the tachometer

Guides on configuring tachometer settings like output modes, speed, and averaging.

2.4 Timer + Counter (Mixed Mode)

Describes the mixed mode where timer controls OUT1 and counter controls OUT2.

2.4.1 Setting up the parameters in the “timer + counter"

Explains how to configure parameters for the mixed timer and counter mode.

CHAPTER THREE: APPLICATIONS

3.1 On Cut-To-Length Machines

Details using the counter function for cut-to-length applications with an encoder.