TU844

Overview

The TU844 ABB MTU 8 I/O Channels is designed for reliable operation with I/O modules like AI845, AI880, AI880A, and DP840. It provides horizontal mounting and supports redundant I/O configurations.

Specifications

• Mounting: Horizontal

• Mounting Detail: 55 ºC (131 ºF)

• Use with I/O: AI845, AI880, AI880A, DP840

• Process Connections: 40 up to 8 I/O channels (2 terminals per channel)

• Power: 4 Process power, 20 Process power (0 V)

• Single/Redundant I/O: Redundant

Electrical Characteristics

• Maximum Current per I/O Channel: 2 A

• Maximum Current Process Connection: 5 A

• Acceptable Wire Sizes:

• Solid: 0.2 - 4 mm²

• Stranded: 0.2 - 2.5 mm², 24 - 12 AWG

• Recommended Torque: 0.5 - 0.6 Nm

• Stripping Length: 7 mm

• Dielectric Test Voltage: 500 V a.c.

Temperature Range

• Operating: 0 to +55 °C (+32 to +131 °F)

• Storage: -40 to +70 °C (-40 to +158 °F)

Physical Dimensions

• Width: 131 mm (5.16”) including connector, 124 mm (4.88”) edge to edge installed

• Depth: 64 mm (2.52”) including terminals

• Height: 186.5 mm (7.34”) including locking device

• Weight: 0.6 kg (1.3 lbs.)

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