TU847 - ABB Module Termination Unit New Stock

ABB TU847 Module Termination Unit – Redundant CI840/CI840A Interface

Technical Specifications

• Brand: ABB
• Model: TU847 (Module Termination Unit)
• Communication Protocol: PROFIBUS DP-V1
• Module Redundancy: Yes (supports redundant CI840/CI840A)
• Hot Swap Support: No
• Power Input: 24 V d.c. (19.2 – 30 V range)
• ModuleBus Current Distribution: 5 V @ 1.5 A max / 24 V @ 1.5 A max
• Connectors: PROFIBUS (DSUB9), Service ports (RJ45)
• Mechanical Keys: 36 different combinations for module type configuration
• Wire Sizes: 0.25 – 2.5 mm² (24 – 14 AWG)
• Recommended Torque: 0.5 – 0.6 Nm; Stripping length: 6–7.5 mm (0.24–0.30 in)
• Rated Insulation Voltage: 50 V
• Dielectric Test Voltage: 500 V a.c.
• Operating Temperature: 0 to +55 °C (+32 to +131 °F) – approvals at +5 to +55 °C
• Storage Temperature: -40 to +70 °C (-40 to +158 °F)
• Relative Humidity: 5–95 % non-condensing
• Max Ambient Temperature: 55 °C (131 °F) – 40 °C (104 °F) for vertical mounting
• Protection Class: IP20 (IEC 529, IEC 144)
• Equipment Class: Class I (earth protected, IEC 60536)
• Dimensions (W x H x D): 124 x 186 x 47 mm (including latch)
• Weight: 0.5 kg (1.1 lbs)

Frequently Asked Questions (FAQ)

• Q: What is the primary purpose of the TU847?
  A: The TU847 serves as a termination unit for redundant CI840/CI840A field communication interfaces in S800 I/O systems.
• Q: Does the TU847 support hot swapping of modules?
  A: No, the TU847 does not support hot swap – you must remove power before replacing or removing modules.
• Q: How many mechanical key combinations does the TU847 offer?
  A: It provides 36 different key combinations to configure the MTU for the correct module types.
• Q: What communication protocol does the TU847 use?
  A: The TU847 uses PROFIBUS DP-V1 for fieldbus communication via its DSUB9 connectors.
• Q: Can I use the TU847 in hazardous area environments?
  A: Yes, it carries ATEX Zone 2 and cULus Hazardous Location certifications.
• Q: What are the ambient temperature limits for the TU847?
  A: It operates at 0–55 °C (horizontal mounting) or 0–40 °C (vertical mounting).
• Q: Is the TU847 available in a G3 compliant version?
  A: Yes, the TU847Z offers G3 corrosion protection for harsh environments.
• Q: Do you offer a return policy?
  A: Yes, we accept returns within 30 days of delivery for unused items in original packaging.

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