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SOBO iQ Controlled Braking BRAKING PERFORMANCE CHART Brakes fully retracted. This can be detected by mechanical/inductive sensor if brake is equipped with this Hydraulic force > Spring force Pad is lifted away from disc Hydraulic force = Spring force Pad touches the disc without braking Braking torque is zero and machinery can work freely. This can be detected by the “brake on/off” indicator if such is part of the system Zero Constant time brake ramp activated Full Retraction Full speed Brake pressure immediately dropped to balance pressure before modulating pressure to achieve desired stopping time Braking release signal given Artificial zero equipment rotational speed reached activates predefined open loop parking sequence Hydraulic force = 0 Spring force has full force/effect Hydraulic Pressure Braking Torque Max t1 Speed dependent braking ramp t2 Speed independent t3 parking ramp Time Zero Pressure t1 Speed dependent braking ramp t2 Speed independent t3 Time parking ramp ∆t = total braking time ∆t = total braking time Electrical power is connected to the electrical motor and the solenoid valves are energized. The braking valves are closed and the return lines to the tank are shut off. The 2-Stage valve is energized, blocking flow to the built in 2-stage backup. The hydraulic pressure is built up to charge the accumulator and disengage the brakes. When adequate system pressure is built up, the electrical power is disconnected from the motor by means of the motor pressure switch. The braking valves are constantly energized while the brakes are released. If pressure is reduced over time, the motor switch will restart the motor to maintain required system pressure. OPERATION (NOT BRAKING) APPLYING THE BRAKE WITH CONTROLLED BRAKING TORQUE When the SOBO® iQ receives a brake command, it will energize/de-energize the SOBO® iQ valves in order to modulate the pressure to follow the predefined braking ramps. A unique pressure feedback feature will ensure quick and precise control over torque output of the braking system and, in turn, ensures a predictable stopping sequence. The braking ramps are set by connecting a field laptop to the SOBO® iQ and running the SOBO® iQ software interface or by accessing the SOBO® iQ software interface via the optional touchscreen. Up to three specific braking ramps can be set up with a fourth open-loop, speed independent ramp to allow for specific braking profiles to be utilized in any situation. OPERATION IN CASE OF POWER FAILURE In case of complete power failure, the SOBO® iQ is supplied with a UPS backup power source allowing the SOBO® iQ to operate normally when a brake command is given. In case of a communication failure to the SOBO® iQ, the unit will activate the highest priority braking ramp. In case of a SOBO® failure, the SOBO® iQ will utilize the built in electrical or mechanical 2-stage backup to stop the conveyor. Svendborg Brakes GLOBAL REPRESENTATIONS DENMARK GERMANY CHINA USA Svendborg Brakes ApS Svendborg Brakes ApS Svendborg Brakes Shanghai Co., Ltd. Svendborg Brakes, USA LLC +45 63 255 255 +49 5422 9272 00 +86 21 60580600 +1 (303) 285 1271 AUSTRALIA KOREA SOUTH AFRICA CHILE SPAIN Svendborg Brakes Australia Pty., Ltd. Svendborg Brakes, Korea Co., Ltd. Svendborg Brakes S.A. Svendborg Brakes Chile Svendborg Brakes ES +61 (0) 8 94 160300 +82 10 9703 0979 +27 11 964 1101/2/3 +56 9 5629 5291 +34 (975) 2336 55 www.svendborg-brakes.com Jernbanevej 9 DK-5882 Vejstrup, Denmark +45 63 255 255 Fax: +45 62 281 058 sb@svendborg-brakes.com P-7923-SV-A4 9/15 Printed in USA Equipment Speed Artificial zero Balance Pressure
