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  1. soetjahjo

    Long distance RS link modem

    Thanks for your reply, we have only copper wires for this purpose. We consider also a wireless solution for back-up. Do you know the manufacturer name for wireless modem ?
  2. soetjahjo

    Long distance RS link modem

    I'm looking for a RS232/485 serial link modems with minimum 9600 bps data transfer rate for a distance of about 6 km, using copper wire. Anybody, can help me ? Thanks.
  3. soetjahjo

    Gas loaded pressure relief valve

    I'm looking for information about manufacturers, advantages and disadvantages of a gas loaded pressure relief valve. Thanks.
  4. soetjahjo

    VAV Box Controls

    Billyq, Important to check first if all your inputs and outputs signal to BMS DDC are correctly commisioned and tested. Second check if your controller is set to modulating mode and not to "on-off" control. Third you need to check the following parameters : Propotional Band and...

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