Control Techniques | Simplex and Multiplex Pump Control | 0.33 hp – 200 hp (0.25 kW – 132 kW) Simplex Pump 0.5 hp – 200 hp (0.37 kW – 132 kW) Multiplex Pump 115 V | 208 - 240 V | 380 - 480 V | 575 V

Simplex and Multiplex Pump Control

0.33 hp – 200 hp (0.25 kW – 132 kW) Simplex Pump
0.5 hp – 200 hp (0.37 kW – 132 kW) Multiplex Pump
115 V | 208 - 240 V | 380 - 480 V | 575 V | 690 V

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The Control Techniques Unidrive M400 Pumping Solutions are a cost effective and versatile variable speed control system for maintaining energy efficient, constant water pressure in single-phase (0.33 - 50 hp) or 3-phase (0.5 - 200 hp) applications. These single-pump and multi-pump (up to 3 max) configurations utilize the onboard controller on the Unidrive M400 variable frequency AC drive (VFD) for economical and easy to use control.

Based on the highly reliable Unidrive M400 AC drive, these solutions provide programming dedicated to simplex and multiplex pump operation. The AI-CTASP (Simplex Pump) and AI-CTAMP (Multiplex Pump) options include an AI-BACKUP-ADAPTOR with SD memory card pre-loaded with default pump parameters to make application setup easy.

Additionally, an optional HMI (human machine interface) is available that makes setup and diagnostics easy and provides additional features such as remote web access and email alerts.

For more on our Pumping Solution check out our:

Packaged Pumping Solutions

Unidrive M400 Multiplex Pump Features

The Control Techniques’ Unidrive M400 Multiplex Pump solution is an effective and versatile variable speed control system for maintaining constant pressure in a multiple pump configuration for ratings up to 200 hp.

Based on the highly reliable Unidrive M400 AC drive, this solution offers cost effective pump control for up to 3 pumps and includes SI-ETHERNET for inter-drive, EtherNet/IP and Modbus TCP communications. An embedded controller in the drive eliminates the need for an external controller saving cost, space and programming time.

multipump system unidrive m400

Standard Features

Dynamic V/Hz Energy Savings Mode
Built-in energy metering
Wide power range – 0.5 hp to 200 hp
Wide input power range: 115 V to 690 V
Smooth S-ramp speed variation avoids water hammer
Ethernet (EtherNet/IP and Modbus TCP) communications
Optional intelligent keypad with user units. Last 10 drive trips logged

Start / Stop and control modes

Hand/Auto mode (via I/O or HMI CTVUE-306-CTAMP)
Simplex/Duplex/Triplex pump control

Software operating features

Pressure PID mode
Sleep / wake mode
Start / stop delay
Configurable pipe fill operation
Automatic fault reset
Load transfer between pumps
Lead/Lag/Alternate pump control
Network loss detection / dynamic recovery

System protection functions

Low suction detection / dry well detection
Shared pressure feedback capacity / redundancy
Transducer loss detection
High / low pressure detect
No flow detection
Motor overload
Automatic pump loss detection

Software configuration

The Unidrive M400 Multiplex Pump parameters can be configured from a PC using Connect software and an optional programming cable (CT-USB-CABLE) and RS485 adaptor (AI-485-ADAPTOR), or via the SI-ETHERNET option module.

Add CTVUE-306A-CTAMP HMI for additional features and benefits

Easy system setup
Hand / Auto via HMI (human machine interface)
System trip log
Historical flow monitoring
Current flow monitoring
Remote web access
Email alerts

How to order

1. Order any frame size 2 or above Unidrive M400. This includes the pre-programmed Unidrive M400 with multiplex pump software and SI-ETHERNET, for example:

Standard Drive: M400-02400013A10101AB100 (with DB transistor) M400-09402000E10101AN100 (without DB transistor)

Multiplex Pump Drive: M400-02400013A10101K0034 (with DB transistor) M400-09402000E10101K0036 (without DB transistor)

2. Order CI-KEYPAD-LCD for access to drive parameters, status and diagnostics and to load SD card pump files from the AI-BACKUP-ADAPTOR. One keypad is recommended to be order at a minimum.

3. Order AI-CTAMP for pump configuration drive parameters for drives one, two and three. This includes an AI-BACKUP-ADAPTOR and SD card with default pump configuration drive parameters pre-loaded. Only one AI-CTAMP is needed to load drive parameters for a multiplex system.

Unidrive M400 Simplex Pump Features

The Control Techniques’ Unidrive M400 Simplex Pump solution is an effective and versatile variable speed control system for maintaining constant pressure in a single pump configuration for ratings up to 200 hp. Based on the highly reliable Unidrive M400 AC drive, this product offers cost effective pump control. An embedded controller in the drive eliminates the need for an external controller saving cost, space and programming time.

how does a vfd pumps simplex system work

Standard Features

Dynamic V/Hz Energy Savings Mode
Built-in energy metering
Wide power range – 0.5 hp to 200 hp
Wide input power range: 115 V to 690 V
Smooth S-ramp speed variation avoids water hammer
Optional communications or expanded I/O (frame sizes 2 and up)
Optional intelligent keypad with user units.
Last 10 drive trips logged

Start / Stop and control modes

Hand/Auto mode (via I/O)
Pressure transducer and flow switch
Pressure transducer only

Software operating features

Pressure PID mode
Sleep / wake mode
Start / stop delay
Multiple setpoint selection
Configurable pipe fill operation
Automatic fault reset

System protection functions

Low suction detection / dry well detection
Shared pressure feedback capacity / redundancy
Transducer loss detection
High / low pressure detect
No flow detection
Motor overload

Software configuration

The Unidrive M400 Simplex Pump parameters can be configured from a PC using Connect software and an optional programming cable (CT-USB-CABLE) and RS485 adaptor (AI-485-ADAPTOR), or via a SI-ETHERNET option module.

Add CTVUE-306A-CTAMP HMI for additional features and benefits

Easy system setup
System trip log
Historical flow monitoring
Remote web access
Email alerts

How to order

1.Order any Unidrive M400 part number and replace . This includes the preprogrammed Unidrive M400 with pump software and default pump configuration drive parameters, for example:

Standard Drive: M400-02400013A10101AB100 (with DB transistor) M400-09402000E10101AN100 (without DB transistor)

Multiplex Pump Drive: M400-02400013A10101K0033 (with DB transistor) M400-09402000E10101K0035 (without DB transistor)

CI-KEYPAD-LCD

AI-CTAMP

SI option modules for Unidrive M400 Simplex Pump Solution (only 1 SI option module permitted per drive frame 2 and above)

SI-I/O option module for extended I/O (simplex pump solution only)

SI-I/O

Extended I/O interface module to increase the number of I/O points on a drive. Provides additional: 4 x Digital I/O, 3 x Analog inputs (default) / digital inputs, 1 x Digital input, 2 x Relays

An SI-I/O option module can be ordered with Unidrive M400 simplex pump drives frames 2 and above. This module provides control over additional pump application parameters.

Additional features include:

Multiple set-point selection
Over temperature switch input
Trip reset input
An additional user programmable relay

SI communications modules (frame size 2 and above)

A variety of SI communications modules can be ordered to add further flexibility to your simplex pump application. The Unidrive M400 Multiplex Pumping solution includes an SI-ETHERNET module as standard. No other SI option modules can be used with the Multiplex Pump solution.

	SI-PROFIBUS PROFIBUS DP interface module; Simplex Pump only.
	SI-DEVICENET DeviceNet interface module; Simplex Pump only.
	SI-CANOPEN CANopen interface module supporting various profiles, including several drive profiles; Simplex Pump only.
	SI-ETHERNET Ethernet module that supports EtherNet/IP and Modbus TCP/IP; standard for Multiplex Pump solution, optional for Simplex Pump solution.
	SI-PROFINET-V2 PROFINET RT interface module; Simplex Pump only.
	SI-ETHERCAT EtherCAT interface module; Simplex Pump only.

Keypads

Unidrive M400 AC drives do not include a keypad as standard. A CI-KEYPAD is recommended to be ordered for easy setup, diagnostics, and to load SD card files from the AI-BACKUP-ADAPTOR.

CI-Keypad LCD

Three line plain text, multi-language LCD keypad for rapid setup and helpful diagnostics maximizes machine up-time.

Remote keypad

All the features of the CI-Keypad LCD, but remote mountable. This allows flexible mounting on the outside of a panel and meets IP66 (NEMA 4)

REMOTE-KEYPAD-RTC

The keypad is remote mountable, allowing flexible mounting on the outside of a panel (meets IP54/ NEMA 12). Three line multi-language plus custom text LCD keypad for rapid setup and helpful diagnostics. Battery operated real-time clock allows accurate time stamping of events, aiding diagnostics.

Drive Pump Parameters

A pre-loaded default pump parameter SD card and adaptor can be ordered for backup pump parameters.

AI-CTASP provides backup default Simplex Pump parameters. Includes an SD card and AI-BACKUP-ADAPTOR
AI-CTAMP must be ordered for Multiplex pump parameters. Includes an SD memory card and AI-BACKUP-ADAPTOR with individual parameter files loaded for drives 1, 2 and 3 in a multiplex system.

Drive Interface units - Communications

	AI-485-ADAPTOR Adaptor that allows the drive to communicate via Modbus RTU over RS485.
	AI-485-24V-ADAPTOR Adaptor that allows the drive to communicate via Modbus RTU over RS485, and an input for 24 V backup.
	CI-485-ADAPTOR Adaptor that allows the drive to communicate via Modbus RTU over RS485, not compatible with CI-KEYPAD-LCD option.
	CT-USB-CABLE The USB Communications cable allows the drive to connect to a PC for use with Unidrive M's PC tools via a Modbus RTU adaptor.

Drive Interface units - HMI (human machine interfaces)

CTVUE-306A-CTAMP

HMI (human machine interface) operator interface provides a graphical interface and adds additional features including auto/hand, flow monitoring, system trip log, email alerts, and remote access for Multiplex Pump systems.

CTVUE-304KE-CTASP

HMI (human machine interface) operator interface provides a graphical interface and adds additional features including email alerts, remote web access, system trip log, and flow monitoring for Simplex Pump systems.