Owner manual

1 Symbols and conventions used in this document

WARNING!

Denotes that a failure to observe those instructions might cause damage to equipment or pose danger

to the user.

NOTE: - Gives additional tips or instructions that might ease the job and ensure proper operation.

1.1 Abbreviations and conventions

Abbreviation

Description

Baud, Baud rate

Serial communication speed, in bits per second including start, parity and stop bits.

CRC

Cyclic Redundancy Check, additional bytes used to confirm valid data transmission.

Ethernet

IEEE 802.3, mostly referring to 10BASE-T RJ-45 connector present on board.

Differential pressure, often called Head.

LED

Light Emitting Diode.

Modbus

A serial communication protocol used for device automation and remote access.

NMTC

NMT pump Communication module.

Pump flow or flow rate.

RTU

Remote Terminal Unit.

RS-485

Multi drop serial network wiring, used to transfer Modbus data.

For Modbus use, this manual assumes that the reader is familiar with commissioning and configuring of

Modbus devices. It is also assumed that an existing Modbus RTU network on RS-485 wiring with

Modbus master is present.

For Ethernet and web interface use, this manual assumes that the reader knows how to configure or

already has preconfigured Ethernet network.

For use of analog signals and relay output signals, external controller needs to be configured and used.

Proper operating mode must also be selected for the module.

NOTE:

• Data in this document are subject to change.

• Actual implementation might differ by pump model and software revision.

• Make sure you are using the right manual for your product.

• Verify proper operation in the final system.

• Manufacturer cannot be held responsible for problems caused either directly or indirectly by

the use of information in this manual.