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WP321: service mode is not working and not switching on

Created by: Vijayds13 at: 11/10/2019 7:32 AM (4 Replies)

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11/10/2019 7:32 AM	Rate (0)
Vijayds13 Advanced Member Joined: 12/21/2017 Last visit: 11/25/2025 Posts: 11 Rating: (0)	Kindly help me soon I am using siwarex module Wp321 and downloaded to HMI ready to use for quick calibration Now service mode is not working and not switching on ------------------------------------------------------------------------------------------ Split from Cannot download Siwarex WP321DR to virtual PLC - Is there an updated block for this?.
	Last edited by: Jen_Moderator at: 11/11/2019 13:07:24 New subject after splitting
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11/11/2019 8:47 AM	Rate (0)
Siwarexi Gold Expert Joined: 1/4/2007 Last visit: 12/16/2025 Posts: 1197 Rating: (179)	Hello Vijayds13, Take a look to the Instance-DB of your FB321. Here, you can find the structure „s_SMD2“. In this structure, you can find the parameters: - i_CMD_CODE - bo_CMD_TRIGGER - bo_CMD_FinishedOK - bo_CMD_FinishedError When you push the button in your HMI-panel to switch on the Service mode, the command code „1“ is set to i_CMD_CODE and the Trigger-flag is bo_CMD_TRIGGER set. (The trigger flag will be reset to false automatically.) One question to you: After you pushed in your HMI-panel the button to switch on the Service mode: Can you see the flag „bo_CMD_FinishedOK“ or „bo_CMD_FinishedError“ in the structure „s_SMD2“? Best regards Siwarexi

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11/12/2019 3:40 AM	Rate (0)
Vijayds13 Advanced Member Joined: 12/21/2017 Last visit: 11/25/2025 Posts: 11 Rating: (0)	Thanks for your answer. Now during calibration weight is not coming and set calibration weight is not coming. Wiring end checked-->status ok No error. Kindly help me

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11/13/2019 6:10 PM	Rate (0)
Vijayds13 Advanced Member Joined: 12/21/2017 Last visit: 11/25/2025 Posts: 11 Rating: (0)	Hello I am using siwarex wp321 for commissioning through Siwatool V7 and communication through Rs485 interface. I need Rs485 connection wiring details and little confused with manual. I am using this converter Converter. Siwarex Terminals :. Wp321 Tx- ------------ 13 (D+) Tx+-------------- 14 (D-) Rx+ Tx- Siwarex WP321 Terminal Loop between 9 (T+) and 11 (D+) Loop between 10 (T-) and 12 (D-) Wiring details correct?
	Last edited by: Vijayds13 at: 11/13/2019 18:11:25
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11/13/2019 7:05 PM	Rate (0)
JKV JAMES ❤️(Köni... Silver Member Joined: 12/27/2018 Last visit: 10/5/2025 Posts: 510 Rating: (43)	Hi Vijayds Service mode must be activated in order to change the calibration parameters. You can find the command in the "Service Commands" group (spanner icon). Is there any DIAG LED flashes red??? Diagnostics messages are displayed as plain text in STEP 7 (TIA Portal) by means of online and diagnostics views. You can evaluate the error codes by means of the user program
	Jinson James, M.Tech (Power Electronics and Power System),
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