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Rhymebus RM6 Series User Manual

Rhymebus RM6 Series
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VARIABLE FREQUENCY DRIVE
Operation Manual
RM6 series (9426)
ISO 9001:2008

Table of Contents

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Rhymebus RM6 Series Specifications

General IconGeneral
BrandRhymebus
ModelRM6 Series
CategoryDC Drives
LanguageEnglish

Summary

VARIABLE FREQUENCY DRIVE

Operation Manual

RM6 series (9426)

SAFETY PRECAUTION

Wiring

Operation

DANGER

Safety warnings during operation, including cover removal and restart behavior.

Compliance with UL standards and CSA standards (cUL-listed for Canada)

Compliance with UL standards and CSA standards (cUL-listed for Canada) (continued)

INTRODUCTIONS

Features

Key features of the RM6 series drive, including control modes and protections.

Chapter 1 Cautions Before Installation

1-1 Product Verification

Steps to verify the product upon receipt, checking appearance and nameplate.

Chapter 2 Installation and Confirmation

1-3 Common Specifications

General specifications applicable to all RM6 series drives.

1-3-1 The Features of Control and Operation

Details on control methods, frequency settings, and other operational features.

Operation Characteristics

Details on input/output terminals, display options, and protection mechanisms.

2-2 Installing the Drive

General guidelines and precautions for installing the drive.

2-2-2 Location

Recommendations for drive placement to ensure adequate clearance and heat dissipation.

2-2-3 Arrangement

Diagrams illustrating correct and incorrect drive mounting for internal cooling.

b. External cooling

Diagrams showing correct and incorrect drive mounting for external cooling.

2-3 Descriptions of Terminal and Wiring Diagram

Detailed description of terminals and the wiring diagram for single-phase drives.

2-3-1 Wiring Diagram

Wiring diagram for RM6 series drives, showing AC and DC reactor connections and jumper settings.

2-3-4 Description of Terminals

Description of main circuit terminals for power source, motor, braking, and grounding.

a. Main Circuit Terminals

Detailed description of each main circuit terminal and its function.

b. Main Circuit Connection

Wiring diagrams and specifications for high-horsepower drives, including DBU and reactor connections.

d. Control Terminals

Description of control power and input terminals, including multi-function inputs.

Control circuit terminal

Details on control circuit terminals, including analog inputs/outputs and common terminals.

e. Control Terminals and Switch for Multi-Pump Application

Control terminals and switches specifically for multi-pump applications.

2-3-5 Control Board

Diagram and description of the control board for higher capacity RM6 series models.

2-3-6 Wiring Cautions and Specifications

Wiring cautions and specifications related to switching frequency and cable length.

d.Recommend wire size and Molded Case Circuit Breaker(MCCB)

Recommended wire sizes and MCCB ratings for 400V series RM6 models.

2-4 Wiring Diagram and Setting for Single-pump and Multi-pump Applications

Wiring diagrams and parameter settings for single and multi-pump applications.

Chapter 3 The Setting of Keypad

3-1 Functions of Keypad (KP-207)

Overview of the keypad's functions and indicators.

3-1-1 Indicators of Keypad

Explanation of the symbols and their meanings on the keypad display.

3-1-2 Keys of Keypad

Description of each key on the KP-207 keypad and its function.

3-2 The Operation of Keypad(KP-207) and Monitor Mode

How to operate the keypad and switch between monitor, function, and parameter modes.

3-2-1 Operation of Keypad

Step-by-step guide to operating the keypad, including entering different modes and handling faults.

3-2-2 Description of Monitor Mode

Explanation of the seven available displays in monitor mode and how to switch them.

3-2-3 Description of Function Setting Mode

Steps for navigating and selecting functions in setting mode.

3-2-4 Description of Parameter Setting Mode

Steps for entering parameter setting mode and modifying values.

3-2-6 Start / Stop Operation of Drive

Procedure for starting and stopping the drive using the keypad.

3-2-7 Parameter Copy; Restore Default Value; Save/Restore Setting Value

Functions for copying parameters, restoring defaults, and saving/restoring settings.

a. Parameter Copy

Steps for writing parameters from the keypad to the drive.

b. Restore Default Value

How to restore the drive to its default values for different operating conditions.

c. Save / Restore Setting Value

Procedures for saving and restoring the current drive settings.

Chapter 4 Parameter List

Chapter 5 Parameter Setting Description

Related Settings of Feedback Signal (pressure transmitter) and Pump

Parameters related to pressure transmitter feedback and pump operation.

․Feedback Signal (pressure transmitter)

Details on parameters for pressure transmitter settings and feedback.

F_114 Feedback Signal Trip Detection

Enabling trip detection for feedback signal errors.

Chapter 6 Operation Procedures and Fault Protection

Sequential Operation and Parallel Control of Multi-pump

Configuration for sequential and parallel control of multiple pumps.

․Sequential Control for Multi-Pump

Parameters and diagrams for sequential pump operation.

F_013 Pump Sequential Control Mode

Setting the mode for sequential pump operation.

F_024 Operation Time of Pump Sequential Control

Setting the operating time for sequential pump control.

F_134 Delay Time at Pump Shifting

Setting delay time to stabilize pressure during pump switching.

․Parallel Control for Multi-Pump

Parameters and descriptions for parallel pump control modes.

F_015 Pump Parallel Control Mode

Selecting the mode for parallel pump control (E-mode, F-mode, M-mode).

F_016 Set Drive’s No. for Parallel Control

Assigning unique numbers to drives for parallel control.

F_021 Detection Time of Parallel Control

Setting the detection time for parallel pump startup.

F_022 Detection Level of Parallel Control

Setting the detection level for parallel pump startup.

F_023 Cut-off Frequency of Parallel Control

Setting the cut-off frequency to stop parallel pump operation.

F_025 Cut-off Time of Parallel Control

Setting the cut-off time to stop parallel pump operation.

F_135 Number of Drives Standing By

Setting the number of standby drives for system protection.

Multi-function Input / Output Terminals

Detailed configurations for multi-function input and output terminals.

F_131 Multi-function Output Terminal Ta2,Tc2

Configuring functions for multi-function output terminals Ta2, Tc2.

Constant Pressure Control Mode and ON / OFF Mode

Settings for constant pressure and ON/OFF control modes.

․Constant Pressure Control Mode

Parameters and diagrams for constant pressure control mode.

․ON / OFF Control Mode

Parameters and diagrams for ON/OFF control mode.

F_087 ON / OFF Mode Pressure Dead Band Setting

Setting the dead band for ON/OFF mode pressure control.

PID Control Functions

Parameters and descriptions related to PID control functions.

․The block diagram of PID control.

Block diagram illustrating the PID control loop and its parameters.

Pump Protection

Functions and parameters for pump protection against water shortage.

Water Pipe and System Protection – Over Pressure

Protection against over pressure in water pipes and systems.

Error Trip Disposals

Procedures for handling error trips and auto-restart.

Overheating Disposals

Functions and parameters related to drive overheating and fan control.

6-1 Operation Procedures

Step-by-step guide for operating the drive after installation.

6-2 Fault Protection Display and Troubleshooting

List of drive error messages, their causes, and troubleshooting steps.

Error Trip Messages of Drive at Constant Pressure Control

Error messages specific to constant pressure control mode.

Appendix D Dynamic Brake Unit and Braking Resistor

DANGER

Danger warning for faulty dynamic brake units and thermal protection.

f. Wiring Diagram of External Braking Resistor and Thermal Switch

Wiring diagrams for external braking resistor and thermal switch protection.

g. Wiring Diagram of External Dynamic Brake Unit(DBU6) and Thermal Switch

Wiring diagrams for external dynamic brake units and thermal switches.

2.) Wiring diagram b

Wiring diagram for controlling magnet contactor with a thermal switch and DBU.

Appendix E Selection of Reactor

Attachment 2 Default Value List

F_007 Pressure Transmitter Setting

Default values for pressure transmitter setting.

F_008 Maximum Operational Pressure

Default values for maximum operational pressure.

F_013 Pump Sequential Control Mode

Default values for pump sequential control mode.

F_015 Pump Parallel Control Mode

Default values for pump parallel control mode.

F_052 Multi-function Input Terminal X1

Default values for multi-function input terminal X1.

F_053 Multi-function Input Terminal X2

Default values for multi-function input terminal X2.

F_054 Multi-function Input Terminal X3

Default values for multi-function input terminal X3.

F_055 Multi-function Input Terminal X4

Default values for multi-function input terminal X4.

F_058 Multi-function Output Terminal Y1

Default values for multi-function output terminal Y1.

F_059 Multi-function Output Terminal Y2

Default values for multi-function output terminal Y2.

F_060 Multi-function Output Terminal Ta1,Tb1

Default values for multi-function output terminals Ta1,Tb1.

F_084 Pressure Boost for Water Usage Detection

Default values for pressure boost for water usage detection.

F_085 Time Interval of Pressure Boost for Water Usage Detection

Default values for time interval of pressure boost for water usage detection.

F_086 ON/OFF Mode Starting Rate Setting

Default values for ON/OFF mode starting rate setting.

F_102 PID Compensation Gain

Default values for PID compensation gain.

F_103 PID Control Mode Selection

Default values for PID control mode selection.

F_105 Proportional Gain(P)

Default values for proportional gain (P).

F_106 Integration Time(I)

Default values for integration time (I).

F_107 Derivative Time(D)

Default values for derivative time (D).

F_115 Acceleration Time of Pressure Boost

Default values for acceleration time of pressure boost.

F_118 Water Shortage Trip Recovery

Default values for water shortage trip recovery.

F_119 Water Shortage Detection by Pressure Level

Default values for water shortage detection by pressure level.

F_120 Water Shortage Detection by Current Level

Default values for water shortage detection by current level.

F_121 Time of Water Shortage Detection

Default values for time of water shortage detection.

F_122 Drive Shutdown Time for Water Shortage

Default values for drive shutdown time for water shortage.

F_147 Over Pressure Disposal

Default values for over pressure disposal.

F_148 Over Pressure Level

Default values for over pressure level.

F_149 Over Pressure Detection Time

Default values for over pressure detection time.

Attachment 3 Setting Memo

F_007

Memo for Pressure Transmitter Setting.

F_008

Memo for Maximum Operational Pressure.

F_102

Memo for PID Compensation Gain.

F_103

Memo for PID Control Mode Selection.

F_105

Memo for Proportional Gain(P).

F_106

Memo for Integration Time(I).

F_107

Memo for Derivative Time(D).

F_118

Memo for Water Shortage Trip Recovery.

F_119

Memo for Water Shortage Detection by Pressure Level.

F_120

Memo for Water Shortage Detection by Current Level.

F_121

Memo for Time of Water Shortage Detection.

F_122

Memo for Drive Shutdown Time for Water Shortage.

Attachment 4 Fault Display

Error Trip Messages of Drive

Display codes for drive error trips, including EEPROM, A/D converter, fuse, short circuit, voltage, current, grounding, over voltage, and overheating errors.

Error Trip Messages of Drive for Constant Pressure Control

Error messages specific to constant pressure control mode: PID feedback, over pressure, and water shortage.

Warning Messages of Drive

Display codes for drive warnings: power source under voltage, output interruption, coast to stop, dynamic brake, software fault, and over pressure.

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