Speed switches Electronic speed switch 1 or 3 adjustable switching speeds ES 90, ES 93, ES 100 Features –– Electronic speed monitoring –– Circuit breaker with up to three selectable threshold speeds –– ES 90, ES 100: Relay output with isolated changeover contact –– ES 93: Three independent transistor outputs, adjusting ±10 % above 1000 rpm Optional –– ES 90, ES 93: As integrated speed switch type ESL for combination with encoders and/or tachogenerators ES 93 –– ES 93: Relay module ES 93 R with three relay outputs with isolated changeover contacts Technical data - electrical ratings Technical data - mechanical design Switching hysteresis ≤30 % of switching speed Flange EURO flange B10 Switching delay time ≤40 ms Protection DIN EN 60529 IP 55 Interference immunity EN 61000-6-2 Operating torque ≤2 Ncm Emitted interference EN 61000-6-3 Shaft loading Approval CE ≤150 N axial ≤250 N radial Materials Housing: aluminium die-cast Shaft: stainless steel Operating temperature -20...+85 °C Connection Terminal box Shaft type ø11 mm solid shaft ES 100 1 output, speed control Output switching capacity ≤6 A / 250 VAC ≤1 A / 48 VDC Current each output ES 100 100 mA (DC) Size (flange) ES 90 Switching accuracy ±4 % (≤1500 rpm) ±2 % (>1500 rpm) Switching outputs 1 output, speed control Output switching capacity ≤6 A / 250 VAC ≤1 A / 48 VDC Rotor moment of inertia 0.116 kgcm² Weight approx. 2.9 kg Speed (n) ≤500 rpm Minimum switching current 100 mA ES 90 ES 93 Size (flange) Voltage supply 12 VDC ±10 % Consumption w/o load ≤5 mA Switching accuracy ±4 % (≤1500 rpm) ±2 % (>1500 rpm) ø105 mm Range of switching speed 110...500 rpm (ns) ø103/105 mm Range of switching speed 650...6000 rpm (ns) Rotor moment of inertia 0.125 kgcm² Weight approx. 1.3 kg ≤6000 rpm Switching outputs 3 outputs, speed control Speed (n) Current each output 40 mA (DC) ES 93 Size (flange) ø103/105 mm Range of switching speed 200...5000 rpm (ns) 1 Rotor moment of inertia 0.125 kgcm² Weight approx. 1.3 kg Speed (n) ≤5000 rpm www.baumer.com/motion Subject to modification in technic and design. Errors and omissions excepted. ±4 % Switching outputs 15/12/2014 Switching accuracy Speed switches Electronic speed switch 1 or 3 adjustable switching speeds ES 90, ES 93, ES 100 Accessories Terminal assignment Mounting accessories View A - Connecting terminal ES 90 and ES 100 K 35 Spring washer coupling for solid shaft ø6...12 mm K 50 Spring washer coupling for solid shaft ø11...16 mm K 60 Spring washer coupling for solid shaft ø11...22 mm 1 2 3 Relay module for ES 93 Relay modul View A - Connecting terminal ES 93 GND UR R1 R2 3 transistor outputs for connecting to a relay modul, for example ES 93 R (accessory) Subject to modification in technic and design. Errors and omissions excepted. R3 2 www.baumer.com/motion 15/12/2014 ES 93 R ≤6A / 250 VAC ≤1A / 48 VDC Speed switches Electronic speed switch 1 or 3 adjustable switching speeds ES 90, ES 93, ES 100 Block circuit diagram Switching characteristics ES 90 (ESL 90) / ES 100 = G 3~ closed 2-3 open 1-2 = -n ns -ns 1 3 2 COMP closed 1-2 open 2-3 0 closed 2-3 open 1-2 +n +ns n = speed ns = adjusted switching speed ES 93 (ESL 93) Recommended output circuit 12 VDC UR = 12 VDC 0 V (GND) G 3~ 470 R1/R2/R3 out 1/2/3 ES 93 0 V (ESL 93) R1 n2 COMP n3 COMP 0V R2 0V R3 0V Switching characteristics 12 VDC out 1/2/3 0V -n -ns (1,2,3) 0 +ns (1,2,3) +n n = speed ns = adjusted switching speed 3 www.baumer.com/motion Subject to modification in technic and design. Errors and omissions excepted. COMP 15/12/2014 n1 Speed switches Electronic speed switch 1 or 3 adjustable switching speeds ES 90, ES 93, ES 100 Dimensions ø ES 90, ES 93 ø ø ø ø A M16x1.5 M16x1.5 4 www.baumer.com/motion 15/12/2014 ø ø ø ø A Subject to modification in technic and design. Errors and omissions excepted. ø ES 100