MODULAR UNIT OF MODEL CDAQ-9171 (PN 195724C-01L), FOR CONNECTION DIRECTLY TO THE AUTOMATIC DATA PROCESSING MACHINE, BY USB 2.0 BUS, WITH REAR PANEL TO CONNECT THE SIGNAL PROCESSING UNIT CAPABLE OF RECEIVING OR PROVIDING DATA IN FORM OF CODES OR SIGNALS, FOR APPLICATION OF SENSOR MEASUREMENTS, WITH 1 EXPANSION CONNECTOR (SLOTS), 4 BUILT-IN 32BIT METERS / TIMERS AND 1 CONNECTOR TO ACCESS COUNTERS / TIMERS. INCLUDES 1M USB CABLE (PN 198506D-01). INCLUDES INSTRUCTION MANUAL (PN 325665A-01) AND SOFTWARE