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DESIGO BACnet MS/TP

Created by: cer95840 at: 9/20/2023 9:36 PM (5 Replies)

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9/20/2023 9:36 PM	Rate (0)
cer95840 Posts: 45 Rating: (1)	Hello, I’m working with a BACnet MS/TP domestic water controller and I need to change the alarm-values properties to {1,2} instead of what’s shown. When point [46] Pump 1 HOA is in AUTO is has a value of 3, a value of 2 if it’s OFF, and 1 if it’s on HAND. Since the alarms values are {2,3} the point shows as “IN-Alarm” in Desigo when the point is in “AUTO” and “OFF”. AUTO 3 OFF 2 HAND 1 Any sugestions? Thanks, Attachment hq dw pump 1 hoa.png (657 Downloads)
cer95840 Posts: 45 Rating: (1)
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9/25/2023 5:05 PM	Rate (0)
CJ. Gold Expert Joined: 11/8/2017 Last visit: 1/16/2026 Posts: 361 Rating: (201)	Hi, In the BACnet browser that you show in your attachment, are you able to edit the 'alarm value' by double-clicking it? Regards,

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This contribution was helpful to 1 thankful Users cer95840

9/27/2023 3:09 PM	Rate (0)
cer95840 Posts: 45 Rating: (1)	Hello, Thanks for your response. Please see attached pic tp see error message. Thanks. Attachment HQ DW pump 1 HOA object browser.png (518 Downloads)
cer95840 Posts: 45 Rating: (1)
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9/27/2023 4:19 PM	Rate (0)
CJ. Gold Expert Joined: 11/8/2017 Last visit: 1/16/2026 Posts: 361 Rating: (201)	Hi, Thanks for trying it - I'm surprised it's not allowing the change to be made. From what I can see - you have 3 options: 1. Try another BACnet browser (like YABE), and see if you can modify the alarm values to 1 and 2. 2. If possible, go back to the supplier of the 3rd party devices to say that there's an error in the alarm setup that they need to correct. 3. Try and disable the alarming on the point from within Desigo CC. Then create your own multistate value including the correct state-texts and alarm parameters, and then link this to your original point from within your PPCL. Regards,

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9/27/2023 7:54 PM	Rate (0)
cer95840 Posts: 45 Rating: (1)	Thanks for the info. Option 3 seems the most doable, but I'm curios about trying option 1. do you have more info on the software? where to get it from and what version? I
cer95840 Posts: 45 Rating: (1)
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9/28/2023 4:22 PM	Rate (0)
CJ. Gold Expert Joined: 11/8/2017 Last visit: 1/16/2026 Posts: 361 Rating: (201)	Hi, YABE (Yet Another BACnet Browser) is open-source software, and is available via Sourceforge. See HERE for more information. Regards,

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