UR-6TV | GE Multilin | Digital I/O Module

GE Multilin UR 6TV Digital I/O Module

The GE Multilin UR 6TV is a Digital I/O module designed for the Universal Relay (UR) family, providing high‑density contact inputs and outputs for protection, control, and automation applications. As part of the UR modular architecture, the 6TV module expands a relay’s ability to interface with external devices such as switches, breakers, interlocks, and auxiliary control hardware.

Hardware Specifications

Functional Description

The UR‑6TV module provides digital I/O capability for UR‑series relays such as the L60, T60, C30, B30, F35, and others. It supports:

• Multiple contact inputs for monitoring external dry or wet contacts
• Multiple contact outputs for tripping, signaling, interlocking, and control
• Flexible contact types depending on the specific 6TV order option

Digital inputs can be configured as:

• Dry (passive) contacts — isolated, no external voltage required
• Wet (active) contacts — powered externally, used for energized signaling

Digital outputs may include:

• Form‑A (normally open)
• Form‑C (changeover)
• Fast Form‑C (high‑speed switching)

The exact mix of contact types depends on the relay’s order code. The 6TV module integrates seamlessly with EnerVista UR, enabling configuration, diagnostics, and monitoring through Viewpoint Monitoring and Viewpoint Maintenance.

Application & Integration

The UR‑6TV is used across many UR relay types, including:

• Line protection (L60)
• Transformer protection (T60)
• Bus protection (B30)
• Feeder protection (F35)
• Centralized I/O processors (C30, C60)

Its placement inside the relay depends on the relay’s order code, where each two‑character segment (e.g., 6T, 6V, 6H) identifies a specific digital I/O module installed in a particular slot.

Frequently Asked Questions

Q: What does the UR‑6TV module do? A: It provides digital inputs and outputs for UR relays, enabling them to interface with external control and protection devices.

Q: What types of contacts does the UR‑6TV support? A: Depending on the order code, it may support Form‑A, Form‑C, or Fast Form‑C outputs, along with wet or dry digital inputs.

Q: Where is the UR‑6TV located inside a UR relay? A: Its location depends on the relay’s model number. Each two‑digit code (e.g., 6V) indicates the slot position of the digital I/O module.

Field Installation Guidelines

• Ensure the module is fully seated in the UR chassis to maintain reliable contact‑signal timing.
• Separate digital I/O wiring from CT/VT circuits to reduce noise coupling.
• Use shielded wiring for wet contacts and terminate shields at a single point.
• Confirm contact type requirements before installation (Form‑A vs. Form‑C vs. Fast Form‑C).
• Verify connector engagement before energizing the relay.