Ethernet Status

Type:

Communications Register

RMC75 Address:

%MD21.10

RMC150 Address:

%MD45.10

RMC200 Address:

n/a (not accessible via addressing)

System Tag:

_Enet.Status

How to Find:

Address Selection Tool → Controller → Communication Settings → Ethernet

Data Type:

DWORD

Accessibility:

Read Only

Bit

Tag Name

Description

0

_Enet.Status.LinkUp

Link

True: The Ethernet link is up, and the Ethernet Link/Act LED will be green (steady or flashing).

False: The Ethernet link is down.

1

_Enet.Status.100Mbps

100 Mbps

True: The Ethernet speed is 100Mbps

False: The Ethernet speed is 10Mbps

2

_Enet.Status.FullDuplex

Full Duplex

True: The Ethernet is full-duplex.

False: The Ethernet is half-duplex.

4-7

_Enet.Status.IPState

Current IP Address State

0: Static Method, but an unusable address is assigned (e.g. 0x00000000)

1: IP Address assigned and in use

2: IP Address assigned, but disabled due to duplicate detected

3: IP Address assigned, but still doing Address Collision Detection

4: BOOTP: Still querying, no address yet assigned

5: DHCP: Still querying, no address yet assigned