Digit

Meaning

Example

Description

1

Device Family

X

netX Firmware

2

Variant

0

0=dual port
1=single port
2=dual port with S2 system redundancy

3

netX Type

9

9=netX 90
6=netX 51
7=netX 52
3=netX 50
2=netX 100
1=netX 500

4+5

Primary Protocol

0D

0D = PROFINET IO-Device
0H = EtherNet/IP Adapter
0F = EtherCAT Slave
0J = sercos III Slave
0K = POWERLINK Controlled Node
0Y = CC-Link IE FB Slave
0L = OpenModbus TCP
02 = PROFIBUS DP Slave
07 = DeviceNet Slave
0A = CANopen Slave

6+7

Secondary Protocol

00

Not applicable

8

Hardware Requirements

0

0=no external memory (use case A+B)

1=external SDRAM + Flash required (use case C)

suffix

.nxi

*.nxi – file for INTFLASH
*.nxe – file for external flash

No

Filename

Features

HW requirements

1

X090D000.nxi

Dual Port Use case A Firmware PROFINET IO-Device

single chip, Dual Ethernet Port

2

X090D001.nxi

Dual Port Use case C Firmware PROFINET IO-Device + extended webserver

external SDRAM + Flash, Dual Ethernet Port

5

X290D000.nxi

Dual Port Use case A Firmware PROFINET IO-Device + S2 system redundancy

single chip, Dual Ethernet Port

6

X290D001.nxi

Dual Port Use case C Firmware PROFINET IO-Device + S2 system redundancy + extended webserver

external SDRAM + Flash, Dual Ethernet Port