Serial Communications with Denco Precision Units

[elHR]

Very first post and decided to register finally after web searching has lead me here so many times. I have a bunch of different Precision Air Handlers from Denco with three different controllers.
C3-05(I know its actually CAREL controller on this one)
Millenium
Beta 2
I have the manuals on all of them, and need to get the serial cards that communicate with them. I know exactly which one I need for the C3-05, but for the other two I have no idea what it looks like. Anybody have any idea whom to contact to find out where/if these can be purchased/quoted.

Thanks,
elHR

[install monkey]

Rob Woodworth
GEA Denco Technical Support
rob.woodworth@geagroup.com

[elHR]

Thanks for the help

[elHR]

Trying to figure out what connects to this. This is the board for a Beta 2. Any idea how these controllers can be linked together. Apparently they can be linked somehow. The PL3 socket has the option of RS422, RS232, and a few others. Or just any idea of what kind of general connection hooks to it.
9279

Thanks

[install monkey]

is that the 1 thats got a trend display if so either a rj45 plug or tx+- rx+- a 4 pin plug

[elHR]

This is the display for the controller
9280

[install monkey]

yep thats it, the 1 with 3 levels of passwords and a factory password up down up down up down!

[elHR]

Ok, so nothing connects to that PL3 serial port I pointed out in the first picture or is the rx/tx on the other side of that board?

[install monkey]

ive dug out the service manual that is well worn, and it states for external bms connection use a rs232 serial output port no pics of board for connections or part numbers

[Gideon Beddows]

You wont connect different controllers together to talk/control together. they need to be the same controller with the same software version