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  1. subspacedarkspace

    RS-485 Control line issue

    >> Have you looked at the actual data with a scope on the remote's end to see that the correct data is actually getting to the remote? Yes, here is a picture, where CH2 is RC5 and CH1 is line A of RS-485. >> It appears with your added hack this does occur... Yes, but why. is it because I am...
  2. subspacedarkspace

    RS-485 Control line issue

    Hi, I am back. I was asked to work on PCB board for the last 2 weeks, so I did not have the chance to go over the suggestions. to itsmoked :: I did try toggling the pin while it is not connected and while it is connected. the pin seems fine and does toggle correctly. by the way I did remove...
  3. subspacedarkspace

    RS-485 Control line issue

    To itsmoked: thank you for the tips. I will get on it right away.
  4. subspacedarkspace

    Need to get an RS-485 and RS-232 from a single RS-232

    The MAX3160/MAX3161/MAX3162 are programmable RS-232/RS-485/422 multiprotocol transceivers. MAX3160, MAX3161, MAX3162 +3.0V to +5.5V, 1µA, RS-232/RS-485/422 Multiprotocol Transceivers
  5. subspacedarkspace

    RS-485 Control line issue

    To MadCow: thank you for the info. I think I forgot to mention that I am using USART and I2C. 1. The USART is used to communicate between my board with PIC16F876A and RS-485 Devices. 2. The I2C is used to communicate between my board and the Main Frame (processing unit). On power up, the Pic...
  6. subspacedarkspace

    RS-485 Control line issue

    I am using ICD2 to debug hardware and I got the following: ===> Before RC5 = 0 TRISC = 0x9F PORTC = 0xF8 ===> After RC5 = 0 TRISC = 0x9F PORTC = 0xD8
  7. subspacedarkspace

    RS-485 Control line issue

    Hi, I am using PIC16F876A to relay data from RS-485 devices multi-drop daisy chain configuration (one master – multiple slaves) by means of Asynchronous serial module to a processing unit by means of I2C bus module. Hardware Configurations: RS-485 chip PIC16F876A...
  8. subspacedarkspace

    What's the plus symbol (+) on face of avionics equipment?

    Is it possible that the "+" sign is just a reference point for the AutoCAD Layout Panel Engineer. Thank you so much for your help. Your cooperation is highly appreciated.
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