User Manual 08/2003 Edition

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5 5 Description of the Functions 02.99 04.01 5.5 SIMODRIVE POSMO A functions Example: Motor with external holding brake 5-176 Task and assumptions: A motor with external holding brakes should be used for hanging axes. The holding brake is to be controlled via output terminal 1. What other settings are required? 1. Connect the relay to control the motor holding brake to output terminal 1. 2. Assign the ”control external holding brake” function to output terminal 1. P31 = 95 3. Activate the brake sequence control in the drive. P56.4 = 0, STW.15 = 0 4. Set the parameters to open the holding brake. – P58 (holding brake, brake opening time) The brake opening time must be set so that it is equal to or greater than the time required to actually open the holding brake. 5. Set the parameters to close the holding brake when ”controller enable” is withdrawn. – P59 (speed, close holding brake) – P60 (holding brake, brake delay time) The brake delay time (P60) must be harmonized with the speed, at which the holding brake is closed (P59). – P61 (holding brake, controller inhibit time) The controller inhibit time must be harmonized with the time that it takes to close the brake so that the drive cannot sag. Example to determine the controller inhibit time Mark the position of the axis and initiate a fault which results in the controller enable being withdrawn (e.g. change the setting of the software limit switch in P6 or P7). Does the axis sag (drop slightly)? ––> yes, then increase the controller inhibit time (P61) ––> no, then the settings are OK Siemens AG 2003 All rights reserved SIMODRIVE POSMO A User Manual (POS1) – 08.03 Edition
02.99 04.01 24 V Terminal 1 Terminal 2 Brake sequence control Open/close the holding brake ÄÄÄ Motor with integrated holding brake (optional) Siemens AG 2003 All rights reserved SIMODRIVE POSMO A User Manual (POS1) – 08.03 Edition 5.5 SIMODRIVE POSMO A functions Parameter P31 Function, terminal 1 P32 Function, terminal 2 P56.4 Open holding brake P56.5 Monitoring, holding brake undervoltage P56.6 Open the holding brake, also for an external holding brake P58 Holding brake, brake opening time P59 Speed, close holding brake P60 Holding brake, brake delay time P61 Inputs/outputs Holding brake, controller inhibit time P31 = 26 Terminal 1 as input with ”open holding brake” function P32 = 95 Terminal 2 as output with the ”control external holding brake” function Fig. 5-18 Example: Integrated holding brake – external holding brake 5 Description of the Functions 0 V Ä ÄÄ ÍÍÍÍÍÍÍÍÍÍ External holding brake 5-177 5
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User Manual 08/2003 Edition simodri
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Foreword Information about using th
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7 7 Installation and Service 04.01
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A A Abbreviations 04.01 GSD HEX HW
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A A Abbreviations 04.01 STB STW SW
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B B References 05.03 Electronic Doc
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B B References 05.03 B-246 Space fo
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C C Dimension Drawings 02.99 08.03
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D D EC Declaration of Conformity 08
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D D EC Declaration of Conformity 08
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E E Index 08.03 Diagnostics LED, 1-
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User Manual 08/2003 Edition

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