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7496 : EPOS enable not possible

Created by: The Troodon at: 8/25/2017 3:20 PM (2 Replies)

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8/25/2017 3:20 PM	Rate (0)
The Troodon Posts: 38 Rating: (0)	Control structure: Control type: [21] Speed control (with encoder) Function modules: Basic positioner Power unit: Component name: Power unit Component type: AC-Power Module Order no.: 6SL3210-1PE16-1Axx Rated power: 2.2 kW Rated current: 5.9 A Motor: Motor name: Motor Motor type: Motor with DRIVE-CLiQ interface Motor holding brake: Motor holding brake: Not available Encoder: Encoder evaluation name 1: Motor Name Encoder 1: Encoder_3 Encoder type Encoder 1: Identify encoder Order no. encoder 1: XSMIxxx-xxxxx-xxxx Measurement system: Encoder system for the position control: Encoder_3 Dimension unit: LU - Expertenmodus Process data exchange (drive): PROFIdrive telegram: [111] SIEMENS telegram 111, PZD-12/12 My Starter hardware and telegram configuration is given above. I want to move my servo from S7-1200 via TIA portal but I have "7496 : EPOS enable not possible" error. Cause: It is not possible to enable the basic positioner because at least one signal is missing. Alarm value (r2124, interpret decimal): 1: EPOS enable missing (BI: p2656). 2: Position actual value, valid feedback signal missing (BI: p2658). See also: p2656 (EPOS enable basic positioner), p2658 (EPOS pos. actual value valid feedback signal) Remedy: Check the appropriate binector inputs and signals. p2656 = Drive_1 : r2526.3 CO/BO : LR status word : Cloaed-loop position control active (1 yes/ 0 no) p2658 = Drive_1 : r2526.0 CO/BO : LR status word : Position actual value valid (1 yes/ 0 no) This explanation is not clear for me. I think it is about P840 ON/OFF OFF1" = r2090.0 parameter on the attachment or maybe about actual position value. Whah should I do? Attachment EPOS.jpg (1173 Downloads)
The Troodon Posts: 38 Rating: (0)	Last edited by: The Troodon at: 8/25/2017 3:33:48 PM Last edited by: The Troodon at: 8/25/2017 3:52:38 PM
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8/25/2017 4:00 PM	Rate (0)
The Troodon Posts: 38 Rating: (0)	Attachment Telegram.jpg (1188 Downloads)
The Troodon Posts: 38 Rating: (0)
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8/28/2017 2:24 PM	Rate (1)
Technology Team Platinum Expert Joined: 10/11/2006 Last visit: 1/16/2026 Posts: 6068 Rating: (828)	Hello, P840 needs a positive edge to switch the drive on. Function diagram 3625 and 2610 + 2634 https://support.industry.siemens.com/cs/ww/en/view/109739998
	With best regards, Technology Team Application consulting and pre sales support for SINAMICS, SIMATIC Technology, SIMOTION, SIMOTICS and MOTION CONNECT
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This contribution was helpful to 1 thankful Users The Troodon