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frako RM 2112 User Manual

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Reactive Power Control Relay
RM 2106 / 2112
Operating Instructions
zavoshelectric.i
r

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frako RM 2112 Specifications

General IconGeneral
Rated operational voltage250 V AC
Rated operational current10 A
Contact configuration2 CO (DPDT)
Mechanical life10, 000, 000 operations
Electrical life100, 000 operations
Coil voltage12V DC

Summary

Safety and Warning Notices

Installation and Connection

Device Installation

Details on mounting the reactive power control relay in a control panel space.

Voltage Connection

Instructions for connecting the voltage supply to the control relay terminals L and N.

Current Transformer Connection

Current Transformer Connection Details

Guidance on connecting the current transformer outputs to the control relay terminals S1 and S2.

Alarm Contact Functionality

Single Phase Connection

Single Phase Connection

Connection diagram and explanation for a single-phase connection setup of the control relay.

Extended Connection

Extended Connection

Describes a precise measuring procedure for overcurrent using the 'Meas' terminal.

Connection with Voltage Transformer

Connection with Voltage Transformer

Diagram showing how to connect the control relay with a control transformer for power supply.

Special Case Connections

Special Case Connections

Guidance for connections when phase conductors do not exceed 240 V AC, covering 'Meas' terminal usage.

Start-up Procedures

Initial Start-up Process

Steps for the initial start-up, including connection type and stage size determination.

Control Relay Setup

Target Power Factor Setting

Setting the desired target power factor for the reactive power control relay.

Control Relay Setup Options

Target Power Factor Setting Details

Target Power Factor Setting Details

Detailed explanation of setting the target power factor and its control characteristic.

Overcurrent Switch-Off Setting

Switching Contact as Alarm Output

Automatic Response Current Identification

Response Current Setting Details

Functioning and Operation

Automatic Control Mode

How the relay operates in automatic mode, measuring and controlling power factor.

Manual Mode Operation

Alarms and Troubleshooting

Connection Errors Identification

Identification of connection errors after initial start-up or check system procedure.

Error and Connection Messages

Specific Alarm Conditions

Trouble-Shooting Guide

Trouble: No Front Panel Display

Addresses issues where the control relay is not functioning or showing any displays on the front panel.

Trouble: No Reaction to Manual Switching

Troubleshooting when the relay ignores manual switching commands despite power and indicators being active.

Trouble: Stage Indicator Active, Contactors Not Switched

Diagnosing why capacitor contactors are not activated even when the stage indicator is lit.

Trouble: Automatic Measuring Procedure Not Terminating

Resolving issues where the automatic measuring procedure fails to complete or terminate.

Trouble: Continuous Stage Activation/Deactivation

Addressing the issue of a stage being continuously activated and deactivated in automatic mode.

Troubleshooting Specific Issues

Trouble: No Stage Activation with Inductive Load

Diagnosing why no stages activate in automatic mode when the load is inductive.

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