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Reading from ZLAN5143D and XY-MD02

Created by: Camote at: 11/4/2022 1:27 PM (5 Replies)

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11/4/2022 1:27 PM	Rate (0)
Camote Joined: 11/4/2022 Last visit: 11/4/2022 Posts: 4 Rating: (0)	Hello! I just bought a Siemens LOGO! for my IoT lab. Connected it to a ZLAN5143D tcp serial server then I hooked up a XY-MD02 temp and humidity sensor. The tcp server and sensor works as expected but by using a different tool. In Logo, I can’t make it work. Basically, I used a network analog input then configured it to connect to my modbus tcp server. Placed the correct unit id, IR as modbus type and the modbus address. I am seeing that Logo is communicating with the tcp server through the activity like but when i view the data by connecting the network analog input to an analog output, the value is always 0. Can someone help me on this? LOGO! 6ED1052-1CC08-0BA0 this is the model
	Last edited by: Camote at: 11/04/2022 13:49:10
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11/4/2022 1:34 PM	Rate (0)
ixo65 Grandmaster-Expert Joined: 12/18/2014 Last visit: 12/4/2023 Posts: 31546 Rating: (3920)	Alone with your description you can't see your problem. There isn't enough useful information for that. Take screenshots of the settings in the LOGO! and from the Modbus device. Which LOGO! do you have exactly? Please write the complete article number.

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11/4/2022 1:44 PM	Rate (0)
Camote Joined: 11/4/2022 Last visit: 11/4/2022 Posts: 4 Rating: (0)	ixo65 Alone with your description you can't see your problem. There isn't enough useful information for that. Take screenshots of the settings in the LOGO! and from the Modbus device. Which LOGO! do you have exactly? Please write the complete article number. Attachment Images.zip (225 Downloads)
	Last edited by: Jen_Moderator at: 11/07/2022 06:38:00 All files added as zip file.
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11/4/2022 2:11 PM	Rate (0)
ixo65 Grandmaster-Expert Joined: 12/18/2014 Last visit: 12/4/2023 Posts: 31546 Rating: (3920)	The LOGO! has a offset of +1 in the Modbus addressing. If you address IR1 in the NAI then is it on the Modbus side IR0. If you address IR2 in the NAI then is it on the Modbus side IR1.

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11/4/2022 2:12 PM	Rate (0)
Camote Joined: 11/4/2022 Last visit: 11/4/2022 Posts: 4 Rating: (0)	Hahaha! Found the answer. I should have added an Analog Amplifier between the input and output. My bad.

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11/4/2022 2:32 PM	Rate (0)
Camote Joined: 11/4/2022 Last visit: 11/4/2022 Posts: 4 Rating: (0)	ixo65 The LOGO! has a offset of +1 in the Modbus addressing. If you address IR1 in the NAI then is it on the Modbus side IR0. If you address IR2 in the NAI then is it on the Modbus side IR1. Yeah. Thank you for this. I noticed that I was off by 1.

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