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Edwards nXDS10i nXDS15i User Manual

Edwards nXDS10i nXDS15i
24 pages
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A735-01-860
Issue A Original
Instruction Manual
nXDS Serial Comms Interface
Description Item Number
nXDS6i A735-01-983
nXDS10i A736-01-983
nXDS15i A737-01-983
nXDS20i A738-01-983
nXDS6iC A735-02-983
nXDS10iC A736-02-983
nXDS15iC A737-02-983
nXDS20iC A738-02-983
nXDS6iR A735-03-983
nXDS10iR A736-03-983
nXDS15iR A737-03-983
nXDS20iR A738-03-983
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Edwards nXDS10i nXDS15i Specifications

General IconGeneral
Pump TypeDry Scroll Pump
Pumping Speed10 m³/h (nXDS10i), 15 m³/h (nXDS15i)
Motor TypeBrushless DC
Operating Temperature+5 to +40 °C
Voltage100-240 VAC, 50/60 Hz
Weight15 kg

Summary

Introduction

Scope of this manual

Provides operational instructions for the nXDS pump serial communication protocol.

Description

Outlines the four control modes of the nXDS pump: None, Manual, Parallel, and Serial Control.

Technical data

Logic interface

Details the 15-way D-type logic interface connector and its pins for electrical connections.

Connection for serial control and monitoring

Serial connection

Explains connecting the nXDS pump to RS485 or RS232 serial input on control equipment or PC.

Serial enable

Describes activating serial enable via the logic interface for serial commands and its interlock function.

Serial protocol

Details the serial communication protocol settings: 9600 Baud, 8 bits, 1 stop, no parity, no handshaking.

Message structure

Explains the structure of messages for nXDS pump communication, including command and query formats.

Command set

Introduces tables summarizing commands, abbreviations, and error codes for controlling and monitoring the pump.

Operating the nXDS pump

Details serial commands for starting, setting standby speed, and stopping the nXDS pump.

Multi-drop operation

Explains how to connect and communicate with multiple nXDS pumps using a single serial link.

Mixed parallel and serial operation

Describes controlling the pump using both parallel and serial interfaces simultaneously.

Decoding status words

Explains how to decode system and service status words for fault finding and maintenance.

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