The ABB TU836V1 3BSE013237R1, also cataloged as the TU836V1 Extended Module Termination Unit, operates as a dedicated hardware component for field signal distribution and termination tasks within S800 I/O networks.

Model Matrix and Suffix Breakdown

• Base model designation: TU836V1 representing an extended module termination unit variant.
• Part number identifier: 3BSE013237R1 indicating specific manufacturing revision and hardware build.
• Terminal architecture: Integrated terminal block supporting up to 8 distinct I/O channels.
• Isolation grouping: Dual isolated field signal groups containing 4 channels per group.

Hardware Specifications

Industrial Control and Backplane Bus Distribution

• Manages ModuleBus signal distribution between connected I/O modules and subsequent termination units.
• Generates physical slot addressing by shifting outgoing position signals along the backplane chain.
• Maintains high-density channel grouping with individually fused load power terminals per connection point.
• Enforces mechanical keying mechanisms utilizing dual six-position keys to prevent incorrect module insertion.

Ordering Information

• 2 x TU836V1 Extended Module Termination Unit base blocks
• 4 x Mechanical configuration keys
• 2 x DIN rail locking latches

Physical Mounting and Field Installation Guidelines

• Secure the termination unit directly onto a standard DIN rail utilizing the integrated mechanical latching device.
• Ensure proper grounding continuity through the DIN rail latch mechanism prior to field wiring connection.
• Verify mechanical key positions align correctly with the corresponding I/O module prior to physical insertion.
• Route high-voltage field power cables separately from low-level signal returns to minimize electromagnetic interference.

Frequently Asked Questions

• Q: What is the maximum continuous current rating per individual I/O channel?

  A: The maximum rated current per individual I/O channel is 3 A.

• Q: How many electrically isolated groups are present on this termination unit?

  A: There are two individually isolated groups, each containing 4 channels of field signals.

• Q: What is the purpose of the mechanical keys on the termination unit?

  A: They prevent the insertion of incorrect module types into the slot without affecting electrical functionality.

• Q: Does the unit actively consume electrical power from the backplane?

  A: No, it acts as a passive pass-through distribution component for power and ModuleBus signals.

• Q: What is the dielectric test voltage rating for the isolation barriers?

  A: The dielectric test voltage rating is 2000 V a.c.

• Q: How does the unit transmit slot address information to the I/O module?

  A: It shifts outgoing position signals down the chain to automatically assign the correct hardware address.

• Q: Can this unit be mounted in both vertical and horizontal orientations?

  A: Yes, mounting is supported in both directions adhering to specified thermal derating guidelines.

• Q: What type of wire connection interface does the termination unit utilize?

  A: It utilizes a standard physical terminal block architecture for field wiring termination.