MANUAL SETTING TYPE OPTICAL ENCODERS REC/RES FEATURES RoHS compliant Contactless, manual adjustment only Compact, light weight With click (REC20, REC20C, REC20D, RECW20D) Panel seal type (RESW20D, RECW20D) RoHS compliant PART NUMBER DESIGNATION RE C W 20 D - 50 - 201 - 1 Series name Output connection 1Cable wire Click Output phase CWith click 2A & B SWithout click Panel seal Resolution (P/R) 25, 50 WPanel seal (With O ring) BlankNon Panel seal Model Size 20 mm LIST OF PART NUMBERS ltem Output wave form Output terminal Click Panel seal Part number Resolution 50 (P/R) RES20-50-200 Saturated wave 100 (P/R) RES20-100-200 Pin terminal Without click 50 (P/R) RES20-50-200-Z Pseudosquare wave 100 (P/R) RES20-100-200-Z RES20B-25-201-1 Without click RES20D-25-201-1 25 (P/R) Non Panel seal REC20-25-201-1 With click REC20D-25-201-1 Without click RES20D-50-201-1 50 (P/R) REC20C-50-201-1 With click REC20D-50-201-1 Square wave Cable wire Without click RESW20D-25-201-1 25 (P/R) With click RECW20D-25-201-1 Panel seal Without click RESW20D-50-201-1 50 (P/R) With click RECW20D-50-201-1 Verify the above part numbers when placing orders. The knob is available.REC/RES OPTICAL ENCODERS STANDARD SPECIFICATIONS Electrical characteristics Item Part number RES20 RES20-Z REC20 RES20B REC20C RES20D REC20D RESW20D RECW20D Input voltage DC5 V 5 % mA Input current 40 50 70 50 maximum Output wave form Saturated wave Pseudosquare wave Square wave Output phases A, B 50 100 50 100 25 50 25, 50 Resolution Phase difference of outputs A & B 90 45 Maximum frequency response Hz 500 100 500 200 + 4.0 V 1 (High) + 4.5 V minimum minimum 2 Vp-p 1 Vp-p Output signal minimum minimum + 1.0 V 0 (Low) + 0.5 V maximum maximum Light source LED Mechanical characteristics Item Part number RES20 RES20-Z REC20 RES20B REC20C RES20D REC20D RESW20D RECW20D 2.94 4.90 2.94 1.18 0.78 2.94 1.96 mNm Starting torque 30 maximum 50 maximum 30 maximum 12 8 30 20 gfcm mNm 19.6 19.6 9.81 4.9 11.8 4.9 Click torque 200 maximum 200 maximum 100 50 120 50 gfcm Click number 25 50 25, 50 25, 50 Radial 9.81 N 1 kgf maximum 4.90 N 500 gf maximum Shaft loading (When mounting) Axial 4.9 N 500 gf maximum 2.94 N 300 gf maximum Net weight Approx. 20 g Approx. 20 g Approx. 25 g Approx. 10 g Strength of tighten screw 0.98 Nm 10 kgfcm maximum 0.49 Nm 5 kgfcm maximum Environmental characteristics Item Part number RES20 RES20-Z REC20 RES20B REC20C RES20D REC20D RESW20D RECW20D Operating temp. range 0 ~ 50 C Storage temp. range 20 ~ 80 C Protection grade IP40 Note) Manual setting only.