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S800 I/O – TU843

The TU843 MTU can have up to 16 I/O channels and 2+2 process voltage connections. Each channel has two I/O connections and one ZP connection. The maximum rated voltage is 50 V and maximum rated current is 3 A per channel.

The MTU distributes the two ModuleBuses, one to each the I/O module and to the next MTU. It also generates the correct address to the I/O modules by shifting the outgoing position signals to the next MTU.

The MTU can be mounted on a standard DIN rail. It has a mechanical latch that locks the MTU to the DIN rail.
Four mechanical keys, two for each module, are used to configure the MTU for different types of I/O modules. This is only a mechanical configuration and it does not affect the functionality of the MTU or the I/O module. Each key has six positions, which gives a total number of 36 different configurations.

Features and Benefits

  • Complete installation of I/O modules using 3-wire connections and field power distribution.
  • Up to 16 channels of field signals and process power connections.
  • Connections to two ModuleBuses and I/O modules.
  • Mechanical keying prevents insertion of the wrong I/O module.
  • Latching device to DIN rail for grounding.
  • DIN rail mounting.
Article number 3BSE021443R1
Type Redundant
Connection Terminal block
Channels 16
Voltage 50 V
Mounting Vertical
Mounting detail 55 º (131 °F)
Use with I/O AI843, AO845, AO845A, DI840, DI880, DO840, DO880 and DP840
Process connections 56 up to 16 I/O channels (2 terminals per channel)
4 Process power
20 Process power (0 V)
Single/redundant I/O Redundant

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satis@gest.com.tr

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