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Home ⊙ NEWS ⊙ GE Multilin™ C30 Substation Hardened Programmable Logic Controller LAN Redundancy
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GE Multilin™ C30 Substation Hardened Programmable Logic Controller LAN Redundancy

From:GE | author:Mr.Chen | Time :2025-08-22 | 6 view: | Share:

Direct I/O Messaging

Direct I/O allows for the sharing of high-speed

digital information between multiple UR

relays via direct back-to-back connections or

multiplexed through a standard DS0 multiplexer

channel bank. Regardless of the connection

method, direct I/O provides continuous real-time

channel monitoring that supplies diagnostics

information on channel health.

Direct I/O provides superior relay-to-relay

communications that can be used in advanced

interlocking, generation rejection and other

special protection schemes.

• Communication with up to 16 UR relays

in single or redundant rings rather than

strictly limited to simplistic point-to-point

configurations between two devices

• Connect to standard DS0 channel banks

through standard RS422. G.703 or IEEE

C37.94 interfaces or via direct fiber optic

connections

• No external or handheld tester required to

provide channel diagnostic information

LAN Redundancy

Substation LAN redundancy has been

traditionally accomplished by reconfiguring

the active network topology in case of failure.

Regardless of the type of LAN architecture (tree,

mesh, etc), reconfiguring the active LAN requires

time to switchover, during which the LAN is

unavailable. UR devices deliver redundancy as

specified by PRP-IEC 62439-3. which eliminates

the dependency on LAN reconfiguration and the

associated switchover time. The UR becomes a

dual attached node that transmits data packets

over both main and redundant networks

simultaneously, so in case of failure, one of the

data packets will reach the receiving device with

no time delay.

Multi-Language

UR devices support multiple languages: English,

French, Russian, Chinese, Turkish and German.

These language options are available on the

front panel, in the EnerVista setup software, and

in the product manuals. Easily switch between

English and an additional language on the local

displays without uploading new firmware.

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