Atlas Copco 5543089B Multi Caliper Module Multicaliper

Atlas Copco 5543089B Multi Caliper Module Multicaliper is a compact 24 VDC control module designed for caliper‑based tasks within Atlas Copco automation systems. It provides 24 VDC power input, a circular PROGRAM connector (mini‑DIN style) with an adjacent RESET switch, and two multi‑position pluggable terminal blocks labeled X1 and X2 for I/O. The unit bears the part number 5543089B and carries firmware revision 1.6 dated October 2003, housed in a gray metal chassis. On‑board indicators include Encoder A and Encoder B, Learn Mode, A/B Prox, Calibrate Mode, Spare In, Spare Out, and Mult Error, offering immediate diagnostics during operation. The product title identifies it as a Multi Caliper Module (Multicaliper), and listings describe the unit as an OEM/custom controller used on packaging/labeling equipment, presented as a standalone module without attached cables or accessories. This Atlas Copco module represents a legacy component within the company’s modular control lineage and would integrate with compatible host hardware that supports its Program interface and two X1/X2 I/O blocks, supporting precise control or measurement tasks in appropriate automation environments.