I have a Rs232/Rs485 converter(CV 24).How can I connect it from a rs485 to a rs232 cable?

I have a RS 485(8 serial outputs) and a motor with a rs232 cable. I don´t have a comunication between the motor and the card...also I have a rs232/rs485 converter. How can I connect the converter to the card. Give me all the possible solutions.

Hey bubuse,
First of all make sure your motor is RS232. If you are using one of NI's 8 port RS485 cards (http://sine.ni.com/apps/we/nioc.vp?cid=1846〈=US) it should include a dongle that takes the connector out to individual 9-pin dsub connectors.
From there, most RS232 cables have 9-pin dsub connectors and the converter should just plug in between the cables. Here is a link that shows the pinouts and voltage differences of both protocols.
http://www.ni.com/pdf/manuals/371253a.pdf
However, these devices rarely work well. If your motor is RS232 they I would suggest you purchase a RS232 board. NI has a new line of boards that are extremely fast and easy to use. They can hit custom baud rates and will show up as normal COM ports on your computer.
In the long run you will have fewer problems.
http://sine.ni.com/apps/we/nioc.vp?cid=13694〈=US
I hope this helps out.
JoshuaP
National Instruments

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