ELREHA TAR 1260 - User Manual

ELEKTRONISCHE REGELUNGEN GMBH
Technical Manual
Dual-Setpoint and PI-Controller for
Temperature-, Pressure or Humidity
6)4N $
Software Version from 040603
Nr. 5311032-03/07 E
l Usable as: Temperature-, Humidity-,
Pressure- or Cold Storage Controller
with relay outputs
l Operation Modes: Double Single
Setpoint, Dual Setpoint, Proportional-/
PI-Controller, Step Controller,
Setpoint shift by 2
nd
sensor,
Cold Storage Control with Cyclic
Defrost
l Output 0-10VDC delivers control
deviation or an actual value image
Please note Safety
Instructions !
TAR 1260
TAR 3260
TAR 5260
TAR 19260
l Limit value alarm, Alarm relay
l Inputs for PTC/Pt1000 and 4...20 mA
for any 2-wire-transmitters
l 2. setpoint by Digital Input
l Minimum Stop-time
l RS-485-Interface
l 4 different housings

Summary

Safety Instructions

General Safety Notes

General safety note reminding users to consult safety instructions for safe operation of the controller unit.

Connection & Safety Information

Pre-Start-Up Safety Precautions

Crucial safety guidelines and limitations to be read and understood before operating the controller for the first time.

Type Overview

Technical Data

Controller Technical Specifications

Operating Controls and Modes

Operating Elements and Key Functions

Error Display and Behaviour

Error Indicators and Troubleshooting

Parameter Listing

Parameter Definitions P01-P22

Detailed listing of controller parameters P01 through P22, including their descriptions, default values, and limits.

Parameter Listing (Continued)

Parameter Definitions P23-P43

Continuation of the controller parameter listing, covering parameters P23 through P43 with their specifications.

Functional Description

Sensor and Input Configuration

Explains sensor connections for temperature, pressure, and humidity, and how inputs are selected via parameter P26.

Operation Modes

Details the various operating modes (P14) for the controller, including dual sensor, single sensor, and setpoint shift functions.

Setpoint and Hysteresis Settings

Temperature and Limit Value Alarm

Relay Switching Characteristics

Relay Operation Modes

Alarm and Defrost Functions

Alarm Relay and Idle Time Management

Cyclic Defrost Operation

Digital Input Functionality

Digital Input Configuration and Modes

Controller Networking

RS-485 Network Setup and Addressing

Voltage Output; Analogue Output

Analogue Output Configuration

Details how to configure the 0-10V DC analogue output for actual value display or proportional/PI control.

TAR 1260 Dimensions and Connections

Start-Up Examples

Dual Channel Temperature Controller Setup

Example configuration for a dual channel temperature controller with cooling, heating, and over/under temperature alarms.

Humidity Controller Setup

Example configuration for a humidity controller with de-humidifying and moistening functions, and analogue output.

Installation and Compliance

Installation Troubleshooting Hints

ELREHA TAR 1260 Specifications

General

Type	Controller
Output	Relay
Supply Voltage	230V AC
Mounting	DIN rail
Output Voltage	230V AC
Frequency	50/60 Hz
Protection Class	IP40
Operating Temperature	0...50 °C
Storage Temperature	-20...70 °C