1 (4)0-003-2246-0 (EN)
Subject to modification.TAC Xenta 421A and 422A are Universal Input/Digital Output modules in the TAC Xenta family. They can be used as normal Xenta I/O modules or as certified L ON M ARK ®devices.
Both modules have four universal inputs and five digital outputs. The universal inputs can be used as digital,thermistor, current, or voltage inputs.In addition, TAC Xenta 422A is equipped with LED status indicators, one for each digital input, and manual override switches for the digital outputs. The LED colors, red or green, can be selected individually by altering the parameter settings in TAC Menta ® graphical tool.
The TAC Xenta 421A/422A is linked to a specific controller with the assistance of the TAC Menta.
If several controllers and I/O modules are used in the same network, a special software called the Device Configuration Tool is used during installation.The input/output status can be checked using the TAC Xenta OP (Operator Panel) when connected to any TAC Xenta controller in the same network. The TAC Xenta OP has a display and a small number of push buttons to facilitate the taking of readings and altering settings.