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Reading incremental encoders via TM PosInput 1

Created by: Claudio Cipriani at: 3/29/2021 9:18 AM (6 Replies)

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3/29/2021 9:18 AM	Rate (0)
Claudio Cipriani Posts: 53 Rating: (0)	Hi everyone, I need to read incremental encoders attached to a TM PosInput 1. I need help to configure the module and some example for PLC program to read the encoder. PLC: CPU 314C-2 PN/DP - 6ES7 314-6EH04-0AB0 - V3.3 Module: TM PosInput 1 - 6ES7 138-6BA01-0BA0 - V2.0 Thak you very much, Claudio.
Claudio Cipriani Posts: 53 Rating: (0)
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3/29/2021 10:23 AM	Rate (0)
jacek d Platinum Member Joined: 9/23/2005 Last visit: 12/29/2025 Posts: 5149 Rating: (772)	Here is help. You are welcome anytime when you have more specific questions.
	Regards, Jacek What is confusing you is the fact that you never see a number but always its digit representation. So you end up thinking that the number is the representation. - Andrej Bauer Any claims against me - based on whatever legal reason - resulting from the use of any code and/or ideas presented on this forum shall be excluded. #StayWithUkraine
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This contribution was helpful to 1 thankful Users Claudio Cipriani

3/30/2021 10:59 AM	Rate (0)
Claudio Cipriani Posts: 53 Rating: (0)	Thank you. I've read the manual and I've tried two configurations: Configuration 1: - Operating mode: Fastmode - Signal: Incremental Encoder (A, B phase-shifted) - Signal evaluation: single - Filter frequency: 1Mhz - Interface standard: TTL (5V) - Input addresses: 256...259 - Output addresses: no With this configuration, I can read the configured inputs (I mean they change moving the encoder). Configuration 2: - Operating mode: Manual operation (without technology object) - Signal: Incremental Encoder (A, B phase-shifted) - Signal evaluation: single - Filter frequency: 1Mhz - Interface standard: TTL (5V) - Input addresses: 256...271 - Output addresses: 256...271 I wrote 1 to 265.0 to open the gate but reading the configured inputs are always 0. Thank you, Claudio.
Claudio Cipriani Posts: 53 Rating: (0)
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3/30/2021 11:13 AM	Rate (0)
jacek d Platinum Member Joined: 9/23/2005 Last visit: 12/29/2025 Posts: 5149 Rating: (772)	Claudio Cipriani Configuration 2: ... - Output addresses: 256...271 One of the addresses is wrong.
	Regards, Jacek What is confusing you is the fact that you never see a number but always its digit representation. So you end up thinking that the number is the representation. - Andrej Bauer Any claims against me - based on whatever legal reason - resulting from the use of any code and/or ideas presented on this forum shall be excluded. #StayWithUkraine
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This contribution was helpful to 1 thankful Users Duris_I

3/30/2021 11:18 AM	Rate (0)
Claudio Cipriani Posts: 53 Rating: (0)	My bad. Output addresses: 256...267
Claudio Cipriani Posts: 53 Rating: (0)
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3/30/2021 11:24 AM	Rate (0)
jacek d Platinum Member Joined: 9/23/2005 Last visit: 12/29/2025 Posts: 5149 Rating: (772)	OK. So, SW_GATE seems to be correct. What is feedback interface telling?
	Regards, Jacek What is confusing you is the fact that you never see a number but always its digit representation. So you end up thinking that the number is the representation. - Andrej Bauer Any claims against me - based on whatever legal reason - resulting from the use of any code and/or ideas presented on this forum shall be excluded. #StayWithUkraine
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This contribution was helpful to 1 thankful Users Claudio Cipriani

4/6/2021 8:08 AM	Rate (0)
Claudio Cipriani Posts: 53 Rating: (0)	Sorry for the late. After some tests and 2 reboot now works correctly. Now I can open the gate and I can read value from the right variable. Really weird. Thank you for your help.
Claudio Cipriani Posts: 53 Rating: (0)
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This contribution was helpful to 1 thankful Users jacek d

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