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Description
The TU836/TU836V1 is an 8-channel, 250V Extended Module Termination Unit (MTU) designed for the ABB S800 I/O system. This passive unit connects the field wiring to the I/O modules and includes part of the ModuleBus. The TU836 can support up to 8 I/O channels, with a maximum rated voltage of 250V and a maximum current of 3A per channel.
The MTU distributes the ModuleBus to the I/O module and the next MTU while also generating the correct address for the I/O module by shifting outgoing position signals.
The unit mounts easily on a standard DIN rail and includes a mechanical latch to lock the MTU in place. The latch can be released with a screwdriver. The MTU uses mechanical keys to configure the unit for different types of I/O modules, with 36 possible configurations.
The process signal terminals are divided into two groups, with each group containing 4 I/O connections and a process voltage connection. Each channel features a fused load outlet terminal and a signal return connection.
Features
- 250 Volt Applications: Compatible with DO820 and DO821 I/O modules.
- Dual Group Design: The process signal connections are divided into two equal, individually isolated groups.
- Fused Load Power Terminals: Each channel features a fused load power terminal and signal return.
- Process Voltage Distribution: The unit provides process voltage connections in two isolated groups.
- ModuleBus Connections: Distributes signals and power between I/O modules.
- Mechanical Keying: Prevents incorrect I/O module insertion.
- DIN Rail Mounting: Latches securely to the DIN rail for grounding and stability.
Technical Data
| Item | Value |
|---|---|
| Process Connections | 16 (up to 8 I/O channels, 2 terminals per channel) |
| Process Power Connections | 4 (including 0V connections) |
| Maximum Current per Process Voltage | 10 A |
| Maximum Current per I/O Channel | 3 A |
| ModuleBus Distribution (5V) | 1.5 A |
| ModuleBus Distribution (24V) | 1.5 A |
| Fuse Rating | 3.15 A (fast glass tube, 5×20 mm) |
| Wire Sizes | Solid: 0.2 – 4mm², Stranded: 0.2 – 2.5mm² (24 – 12 AWG) |
| Recommended Torque | 0.5 – 0.6 Nm |
| Stripping Length | 7 mm |
| Mechanical Keys | 36 different combinations |
| I/O Module Lock | Yes, locks module in place |
| Equipment Class | Class I (earth protected) |
| Protection Rating | IP20 (IEC 60529) |
| Rated Insulation Voltage | 250 V |
| Dielectric Test Voltage | 2000 V a.c. |
| Dimensions | Width: 126 mm, Depth: 64 mm, Height: 110 mm |
| Weight | 0.26 kg |
Environmental and Certification Data
- CE Mark: Yes
- Electrical Safety: EN 61010-1, UL 61010-1, EN 61010-2-201, UL 61010-2-201
- Marine Certification: ABS, BV, DNV-GL, LR
- Operating Temperature: 0 to +55 °C (+32 to +131 °F), approvals issued for +5 to +55 °C
- Storage Temperature: -40 to +70 °C (-40 to +158 °F)
- Pollution Degree: Degree 2 (IEC 60664-1)
- Corrosion Protection: ISA-S71.04: G3
- Relative Humidity: 5 to 95%, non-condensing
- Protection Class: IP20 (IEC 60529)
- EMC Standards: EN 61000-6-4, EN 61000-6-2
- Overvoltage Categories: IEC/EN 60664-1, EN 50178
- RoHS Compliance: EN 50581:2012
- WEEE Compliance: DIRECTIVE/2012/19/EU
Mounting and Installation
- Mounting: Mounts on DIN rail (both horizontal and vertical installations are supported).
- Mechanical Locking: The unit includes a latch that locks it in place on the DIN rail for secure grounding.
The TU836/TU836V1 is a robust solution for connecting I/O modules in industrial automation systems, particularly for high-voltage applications where isolated channels and proper voltage distribution are necessary. Its mechanical keying and lock-in mechanism provide security and flexibility in field installations.
About Us
Meloauto – Your Trusted Supplier for Original, Brand-New PLC and DCS Parts Meloauto offer a vast selection of products from globally recognized brands, including Allen Bradley, Bently Nevada, Honeywell, ABB, GE Fanuc, Siemens, Invensys Triconex, ICS Triplex, Foxboro, Yokogawa, Schneider, and Hima, among others. With tens of thousands of new parts ready to ship, Meloauto has successfully served customers across over 50 countries worldwide. We focus on supplying discontinued and hard-to-find items, ensuring each product is in brand-new, original condition.Contact Us
- Phone: +86-15915488782
- Email: [email protected]
- WhatsApp: +8615915488782
- Business Hours: 24/7 service
- Address: Unit 601, Powerlong International Center, No. 1599 Luling Road, Siming District, Xiamen City, Fujian, China
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