Panasonic SF4-AH Series Instruction Manual

© Panasonic Industrial Devices SUNX Co., Ltd. 2013 MJE-SF4A No.0038-55V- 38 - Calculation example 1 For use in Europe(OFF response time: 11ms or less, minimum sensing object diameter: 30 (mm)First, calculate with K = 2,000.S = K × T + C= K × (T m + TSF4 ) + 8 × (d - 14)= 2,000 × (T m + 0.011) + 8 × (30 - 14)= 2,000 × T m + 2,000 × 0.011 + 8 × 16= 2,000 × T m + 150If the result is:1) In case S < 100 (mm)Safety distance S is taken as 100 (mm)2) In case 100 ≤ S ≤ 500 (mm)Safety distance S is taken as 2,000 × T m + 150 (mm)3) In case S > 500 (mm)S = K’ × (T m + T SF4 ) + 8 × (d - 14)= 1,600 × (T m + 0.011) + 8 × (30 - 14)= 1,600 × T m + 1,600 × 0.011 + 8 × 16≈ 1,600 × T m + 146then, calculate again.If the result is:4) In case S ≤ 500 (mm)Safety distance S is taken as 500 (mm)5) In case S > 500 (mm)Safety distance S is taken as 1,600 × T m + 146 (mm)In case this device is installed in a system with a maximum halting time of 0.1 (s)S = 2,000 × T m + 150= 2,000 × 0.1 + 150= 350Since this value matches with Case 2) above, S is 350 (mm).In case this device is installed in a system with a maximum halting time of 0.3 (s)S = 2,000 × T m + 150= 2,000 × 0.3 + 150= 750Since this value matches with Case 3) above,S = 1,600 × T m + 146= 1,600 × 0.3 + 146= 626Since this value matches with Case 5) above, S is 626 (mm).