Hi All, I am using a Mega, with a RS485 module , and trying to communicate with a digital flowmeter . I can see that messages are being transmitted, but I don't see anything coming back. Any ideas what might be going on here? Mega Module Flowmeter 5V VCC GND GND 19 DI 18 RO 3 DE&RE A 485+ B 4…

RS485 Device Not Communicating

Projects Networking, Protocols, and Devices

chucktodd August 29, 2016, 10:57pm 11

jgatvl:
Seems that maybe some of the passive components on the RX side of the breakout module were bad. I replaced it and have good comms! Thanks Chuck.

Have fun measuring the World!

Chuck.

Topic		Replies	Views
RS485 communication woes Networking, Protocols, and Devices	14	8571	May 6, 2021
water flow read from meter through max 485 Interfacing w/ Software on the Computer	2	1513	May 6, 2021
RS485 Communication not working using Nick Gammon's RS485 library (Hardware) Programming	22	8714	May 5, 2021
To monitor data from RS485 on serial monitor of Arduino Uno. Networking, Protocols, and Devices	18	42283	May 6, 2021
water flow read from meter through max 485 Motors, Mechanics, Power and CNC	2	604	May 6, 2021

RS485 Device Not Communicating

Related topics