date 10/2009 page 1 of 3 SERIES: DESCRIPTION: ACZ12 mechanical incremental encoder ELECTRICAL SPECIFICATIONS parameter conditions/description output waveform square wave output signals A, B phase current consumption 10 mA output phase difference T1, T2, T3, T4 ≥ 3.5 ms @ 60 rpm (see output waveform) supply voltage 12 V dc max. output resolution 12, 24 ppr switch rating 12 V dc, 50 mA (ACZ12BRXE models only) insulation resistance 300 V dc, 100 MΩ withstand voltage 300 V ac MECHANICAL SPECIFICATIONS parameter conditions/description shaft load axial rotational torque with detent click without detent click push switch operational force (ACZ12BRXE models only) push switch life (ACZ12BRXE models only) min 30 60 nom max 3 kgf 80 200 100 gf•cm gf•cm 900 gf•cm 300 units 50,000 rotational life 30,000 cycles max units ENVIRONMENTAL SPECIFICATIONS parameter conditions/description min nom operating temperature -10 75 °C storage temperature -20 85 °C humidity 85 vibration 0.75 mm max. travel for 2 hours % RH 10 55 PART NUMBER KEY ACZ12 X BR X E- XX XX X1- XXX Version: “blank” = switch* N = no switch Resolution (ppr): 12 = 12 ppr, no detent 12C = 12 ppr, 12 detent 24 = 24 ppr, no detent 24C = 24 ppr, 24 detent Shaft length: KQ: 15, 20 F: 17.5, 20, 25 Bushing: 2 = 5 mm 3 = 2 mm 20050 SW 112th Ave. Tualatin, Oregon 97062 Shaft type: KQ, F Mounting orientation: A = Horizontal (*Not Available with Switch) D = Vertical phone 503.612.2300 fax 503.612.2382 www.cui.com Hz date 10/2009 page 2 of 3 SERIES: mechanical incremental encoder DESCRIPTION: ACZ12 SHAFT OPTIONS KQ type F type BUSHING H 2 5mm 3 2mm H= 2 or 5 (mm) L I H= 2 or 5 (mm) 20KQ 15KQ 20 15 7 5 L F OUTPUT WAVEFORM CH A OFF (Pins A & C) ON 25F 20F 17F 25 20 17.5 12 7 5 DETENT POSITIONS Model 12C & 24C OFF CH A (Pins A & C) CH B OFF (Pins B & C) ON OFF ON OFF OFF CH B (Pins B & C) T1 T2 T3 T4 OFF ON OFF CW direction (@ 60 rpm) SLIDING NOISE SUGGESTED FILTER t = Masking time to avoid chatter (5mS) V1 = V2 = 1V max. t t 5V V1 V2 Encoder ON OFF Sliding Direction ON Tested at 60 rpm Scope 20050 SW 112th Ave. Tualatin, Oregon 97062 phone 503.612.2300 fax 503.612.2382 www.cui.com date 10/2009 page 3 of 3 SERIES: ACZ12 DESCRIPTION: mechanical incremental encoder MECHANICAL DRAWING (horizontal) PCB LAYOUT MECHANICAL DRAWING (vertical) ACZ12NBRXE PCB LAYOUT ACZ12BRXE PCB LAYOUT 20050 SW 112th Ave. Tualatin, Oregon 97062 phone 503.612.2300 fax 503.612.2382 www.cui.com