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T400 Cutter/Cut to Length F123

Created by: UMENCHO at: 4/8/2021 12:15 PM (4 Replies)

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4/8/2021 12:15 PM	Rate (0)
UMENCHO Diamond Member Joined: 3/21/2006 Last visit: 11/1/2024 Posts: 10229 Rating: (1181)	Hi, Could someone share here experience with T400 Cutter/Cut to Length and especially the fault F123? The application is old and it is in operation since 2000. Suddenly it started to trip with F123. Thanks in advance! BR, hristo

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4/8/2021 12:34 PM	Rate (0)
KSN Platinum Expert Joined: 8/25/2006 Last visit: 11/17/2024 Posts: 2211 Rating: (280)	Hello. From manual: F123 Overspeed negative (knife) Check limit value L101, L102 Check speed normalization on T400 / CU https://support.industry.siemens.com/cs/ww/en/view/8792570
	Last edited by: KSN at: 04/08/2021 12:35:48
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4/8/2021 12:41 PM	Rate (0)
UMENCHO Diamond Member Joined: 3/21/2006 Last visit: 11/1/2024 Posts: 10229 Rating: (1181)	What could I check in hardware? What does cause the F123? As I supposed that the configuration is correct. BR, hristo

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4/8/2021 12:59 PM	Rate (1)
KSN Platinum Expert Joined: 8/25/2006 Last visit: 11/17/2024 Posts: 2211 Rating: (280)	Check encoder that mesure knife speed and position (terminals 81-83 on T400 or terminals at drive CUD). Check connector KR3411.

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This contribution was helpful to 1 thankful Users UMENCHO

4/8/2021 3:53 PM	Rate (0)
UMENCHO Diamond Member Joined: 3/21/2006 Last visit: 11/1/2024 Posts: 10229 Rating: (1181)	Thanks! The clutch (encoder - motor) was not perfect. BR, hristo

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