Modular control electronics for 16 x 1 or 16 x 2 LCDs, 16 V, for use as control terminal or for user information. Keyboard & inputs/outputs can be connected & expanded through modules (plug & play). Various interfaces & a network connection are possible using the extension modules available separately. Text messages can be stored & called using control sequences. The numerous possible configurations make it very flexible to use. Also suitable for LCD formats 8 x 2, 20 x 2, 40 x 2.