 |
 |
 FAQ Forum Help Official CCS Support  Search
 Register
 Profile  Log in to check your private messages  Log in
|
CCS does not monitor this forum on a regular basis. Please do not post bug reports on this forum. Send them to CCS Technical Support |
| Search found 8 matches |
| Author | Message |
|---|---|
 Topic: Slave Modbus RS485 |
|
| drcastilla Replies: 12 Views: 24943 |
 Forum: General CCS C Discussion Posted: Fri Jul 25, 2014 2:18 am Subject: Slave Modbus RS485 |
| _Warning_. Not error.
Note 'build successful'. It is warning you about a number of things that _might_ be worth being aware of. One temporary variable declared, but never used. One values not ... |
|
| Topic: Slave Modbus RS485 |
|
| drcastilla Replies: 12 Views: 24943 |
Forum: General CCS C Discussion Posted: Thu Jul 24, 2014 3:27 am Subject: Warning |
| In the previous program when compiled in the output shows me a warning that not anyone could help me solve
http://imagizer.imageshack.us/v2/1024x768q90/745/6ce937.jpg Thank you |
|
| Topic: Slave Modbus RS485 |
|
| drcastilla Replies: 12 Views: 24943 |
Forum: General CCS C Discussion Posted: Mon Jul 14, 2014 5:22 am Subject: Slave Modbus RS485 |
| I changed the capacitor as you have commented me. I have seen the datasheet RS485-WE USB converter http://www.ftdichip.com/Support/Documents/DataSheets/Cables/DS_USB_RS485_CABLES.pdf and has 6 wires: ... | |
| Topic: Slave Modbus RS485 |
|
| drcastilla Replies: 12 Views: 24943 |
Forum: General CCS C Discussion Posted: Mon Jul 14, 2014 3:52 am Subject: Slave Modbus RS485 |
| No.....
0.1uF = 100nF 0.1nF = 100pF Your capacitor is 1000* smaller than 0.1uF. Sorry :( hahaha |
|
| Topic: Slave Modbus RS485 |
|
| drcastilla Replies: 12 Views: 24943 |
Forum: General CCS C Discussion Posted: Fri Jul 11, 2014 2:20 am Subject: Slave Modbus RS485 |
| One thing I would do is put a 0.1ufd ceramic cap across the vss/vdd lines instead of the 100pf you show - that is too small to do much good with the noise.
mikey Hello Mikey. I think that 0 ... |
|
| Topic: Slave Modbus RS485 |
|
| drcastilla Replies: 12 Views: 24943 |
Forum: General CCS C Discussion Posted: Thu Jul 10, 2014 5:30 am Subject: Slave Modbus RS485 |
| Thanks for answering when I have time I will put to work on what you've told me and verify that the RS485-USB WE adapter works well.
2) The RS485 bus needs bias as well as termination. If it does ... |
|
| Topic: Slave Modbus RS485 |
|
| drcastilla Replies: 12 Views: 24943 |
Forum: General CCS C Discussion Posted: Thu Jul 10, 2014 4:23 am Subject: Slave Modbus RS485 |
| Thank you for answering so fast, I connected my slave with a master display and works perfectly.
The 10k resistor you indicate me going from RX pin to VCC pin? I need use protocol RTU and maste ... |
|
| Topic: Slave Modbus RS485 |
|
| drcastilla Replies: 12 Views: 24943 |
Forum: General CCS C Discussion Posted: Tue Jul 08, 2014 3:10 am Subject: Slave Modbus RS485 |
| Hello, first sorry for my English as it is not very good. I said I'm new to the forum and I have read the standard publication and hope I'm not breaking any're to perform post.
The help I need is t ... |
|
All times are GMT - 6 Hours |
Powered by phpBB © 2001, 2005 phpBB Group