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Lauda RP 870 User Manual

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Valid from series: 07-0001 (see item 9.4)
YACE0072 / 08/07
replaced 04-0001
from softwareversion of Control system (Master) 1.46
from softwareversion of Protection system (Master) 1.33
from softwareversion of Operating system (Command) 1.69
LAUDA DR. R. WOBSER
GMBH & CO. KG
P.O.Box 1251
97912 Lauda-Koenigshofen
Germany
from softwareversion of Cooling system 1.44
from softwareversion of Analogue interface 1.33
from softwareversion of RS232/485-Module 1.38
from softwareversion of contact I/0 module 1.38
from softwareversion of solenoid valve 1.37
Phone: (+49) 9343/ 503-0
Fax: (+49) 9343/ 503-222
E-Mail info@lauda.de
Internet http://www.lauda.de
Operating instructions
PROLINE
Low-temperature Thermostats
with SmartCool System
RP 845, RP 855, RP 870, RP 890, RP 1290
RP 1840, RP 1845, RP 3530

Table of Contents

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Lauda RP 870 Specifications

General IconGeneral
BrandLauda
ModelRP 870
CategoryThermostat
LanguageEnglish

Summary

Safety Notes

General Safety Precautions

Key safety instructions for operating, handling, and maintenance to prevent injury or damage.

1 Safety Information

1.1 General Safety Information

General hazards associated with laboratory thermostats and electrical energy use.

1.2 Other Safety Information

Specific safety precautions related to operation, connections, and material handling.

2 Brief Operating Instructions

Step-by-Step Startup Guide

Quick guide to assembling, filling, connecting, and switching on the unit.

2.1 Master Menu Structure

2.2 Command Menu Structure

Control Elements Overview

Filling and Draining Procedures

Heat Carrier Liquids and Hose Connections

6.3 Heat Carrier Liquid Selection

Table of LAUDA heat carrier liquids with properties, temperature ranges, and order numbers.

External Load Connection

7 Starting Up Operations

7.1 Mains Connection Requirements

Ensuring correct mains connection according to EMC standards and safety.

7.2 Switching On the Unit

Procedure for switching on the thermostat, including self-test and initial display.

Basic Operation and Key Functions

7.5 Master Menu Structure Overview

7.6 Command Menu Structure Overview

7.6.1 Master Basic Settings

7.6.2 Submenu for Further Settings

7.6.3 Module Configuration Menu

7.6.4 Device Parameter Configuration

7.6.5 Internal Control Parameter Settings

Setting Internal PID Control Parameters

Adjusting PID control parameters (Xp, Tn, Tv) for internal temperature control.

7.6.6 External Control Parameter Settings

Setting External PID Control Parameters

Configuring PID parameters (Kpe, Tne, Tve) for external temperature control.

7.6.7 Temperature Probe Calibration

Calibrating Internal Temperature Probe

Procedure for entering the offset for the internal temperature probe using a reference thermometer.

7.6.9 Safety System Settings

7.6.10 Refrigerating System Settings

7.7 Important Settings

7.7.1 Setting the Temperature Setpoint

How to set the desired temperature that the thermostat should maintain.

External Temperature Probe

Pump Power and Standby Control

7.7.4 Activating External Control

Selecting External Temperature Source

Configuring the thermostat to use an external temperature source for bath control.

7.7.5 Mains Current Consumption Adjustment

7.8.2 Defining Start Mode Type

7.8.3 Defining Temperature Limits

Setting Minimum and Maximum Temperature Limits

Defining temperature limits to prevent damage to medium or apparatus, with warning notifications.

7.8.4 Setpoint Offset Operation

Applying Offset to External Temperature

Adjusting the setpoint using an offset value from an external temperature probe or module.

7.8.5 Restoring Default Works Settings

7.8.7 Internal Temperature Probe Offset Calibration

Adjusting Internal Probe Offset Value

Calibrating the internal temperature probe by adjusting its offset value.

7.8.9 External Temperature Probe Offset Calibration

Adjusting External Probe Offset Value

Calibrating the external temperature probe by adjusting its offset value.

7.8.10 Restoring External Probe Offset Defaults

7.9 Graphical Temperature Display (Command)

7.10 Programmer Functionality

Program Selection and Execution

7.10.2 Starting, Pausing, and Stopping Programs

How to start, pause, continue, or stop programmed temperature sequences.

Program Interruption and Continuation

7.10.3 Holding and Resuming Programs

Instructions on how to interrupt (hold), continue, or terminate a running program.

7.10.4 Program Creation and Modification

Editing Program Segments

Functions for entering, modifying, inserting, or deleting segments within a program.

Program Loop and Graph Visualization

7.11 Ramp Functionality

7.12 Timer Functionality

7.13 Control Parameter Tuning

7.13.1 Internal Control Variable Tuning

Adjusting control parameters (Xp, Tn, Tv) for internal temperature measurement probe.

7.13.2 External Control Variable Tuning

7.13.2.1 Proven External Control Settings

Recommended control parameters for external measurement probes based on instrument type and liquid.

7.13.2.2 Steps for External Control Setup

Guide for setting up control parameters for external temperature control, including slave controller tuning.

7.14 Alarms, Warnings, and Errors

7.14.1 Overtemperature Protection

Configuration and checking of overtemperature protection and cut-off points.

Low-Level Liquid Alarms

7.14.2 Low-Level Alarm and Checking

Procedure for low-level alarms, checking the safety system, and finding causes.

7.14.3 High-Level Liquid Settings

Configuring High-Level Liquid Reactions

Selecting reactions (warning, alarm, heater off) based on heat carrier liquid level.

7.14.4 High-Level Warning or Alarm

Handling High-Level Liquid Alerts

Describes high-level warnings/alarms, causes, and how to clear them.

Pump-Motor Supervision Features

7.14.5 Pump Overload or Blockage Detection

Monitoring the pump motor for overload or blockage, with alarm and shutdown procedures.

7.14.6 Pump Dry Running Detection

Monitoring the pump for operation without liquid, triggering alarms and shutdowns.

7.14.7 Fault List: Alarms and Warnings

Interpreting Alarm and Warning Messages

List of alarm and warning messages displayed by the thermostat, categorized by source.

7.15 Serial Interface Communication

7.15.5 Sending Commands to Thermostat

7.15.6 Requesting Data from Thermostat

Error Messages and Software Drivers

7.15.7 Common Error Messages

List of error messages, their codes, and explanations for troubleshooting.

8.2 Command Console Menu Structure

8.4 Analogue Module Description

8.5 Contact Module Description

8.5.2 Namur-Contact Module LRZ 914 Functions

8.5.3 Contact Module Menu Structure (Master)

9 Maintenance Procedures

Device Data and Fault Memory

9.4 Help Desk and Parts Ordering

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