Flex 6700 to a Steppir SDA100 Controller

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  • Updated 3 years ago
How do you connect the Flex 6700 to a Steppir SDA100 Controller so that the transceiver band/freq is sent automatically via the CAT interface. I have installed SmartCAT and was planning on using the Icom USB to CI-V cable. I have configured the SDA100 for Kenwood CAT commands. Baud Rate set to 9600. How do I setup SmartCAT to send the CAT commands to the Steppir SDA100 via the serial cable? 73 Steve N9HE
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Steve Scoggins

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Posted 5 years ago

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KY6LA - Howard, Elmer

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You can always use DDUTIL
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Paul RN3A

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I guess DDUtil is the answer, if you use just one SDA100 controller. If you have more than one, then you need to think about something different. DDUtil is great providing interfaces to many pieces of equipment you may have in your shack, but not all of it, like in my case. I am using quite complex combination of PowerSDR / SmartSDR, DDUtil and Eltima Serial Port splitter to address 3 SDA100 controllers, PAs and bunch of other stuff in the shack. This turned out to be very complex and difficult to maintain setup. But currently I don't see any other way how to do it.
Try playing with DDUtil first, and see if it works for you.
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Steve Scoggins

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The Flex 6700 does not use PowerSDR so I do not believe I can use DDUtil.
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Paul RN3A

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Steve, check out DDUtil version 3
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Steve Scoggins

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Thanks for the reply.

I have installed DDUtil Version 3 and now have it connected to the Flex 6700 via the SmartCAT software. I can see the radio information being displayed in the DDUtil windows.

What are the settings in DDUtil to drive the SDA-100?
Under Passive Listener setup select Kenwood Radio Type and setup the SDA-100 for the same type. Then 9600 baud for data rate. I have a USB to Serial Port Adapter that can be used with a custom cable to connect to the Data In port on the SDA-100.
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Steve Scoggins

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I have the Flex 6700 talking to the Steppir SDA100 controller. I used the S12 9 Pin crossed serial cable ordered from Steppir. Also used a Keyspan USB to Serial Adapter. The DDUTIL settings are as follows:
Passive Listener set for COM11 (Keyspan USB to Serial Adapter Com Port)
Comm set to 9600 9-N-1
Follow PSDR checked and Radio Type Kenwood
Make sure you configure your SDA-100 Controller
Transceiver setup matches the above settings.

73 Steve Scoggins N9HE
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Thom Baxter

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Steve, I have not been able to get any combination to work. Are you using the top or bottom serial connector on the SDA 100. Under options are you using Remote Drive eq to yes or no?

73 Thom Baxter WI4USA
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Steve Scoggins

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Tom I am using the top serial connector labeled Data In/Radio.
I also have DDUtil talking to the Alpha 9500 Amplifier.
You need to install SmartCAT and DDUtil.

Steve Scoggins N9HE
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Thom Baxter

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Are you using a standard D-sub 9-pin serial connector or is it specifically wired differently? I have tried the cable that came with the SDA100 and a standard cable to no avail. I have done all you said, but i have not been able to get the SDA 100 controller to change frequency at all. This same combination, without ddutil works fine on my FTDX5000. The only difference is the radio and the use of ddutil. By the way ddutil is able to see the flex and able to read the frequency. The ddutil is also able to control yaesu rotor no issue. It will however not control the sda 100. very weird. Any idea's?
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Steve Scoggins

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The cable is a 9 pin serial cross connect cable
Note Pin 2 to 3 and Pin 3 to 2 are cross connected.

Pin 2 Blk ---- Pin 3
Pin 3 Red ---- Pin 2
Pin 5 Grn ---- Pin 5
Pin 7 and 9 jumpered on both connectors
The cable is shielded with the shield connected to the metal D-Sub shell on both ends.

This cable is available from Steppir as a S12 SDA100 to PC interface cable
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Jim Gilliam

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Are we connecting this cable to the Flex or the computer running DDutil?



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Al K0VM, Elmer

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To the computer running DDUtil..

AL, K0VM
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Jim Gilliam

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Does this mean that we always will need some kind of smart interface adjoining the Flex for complete remote control?
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Al K0VM, Elmer

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At present, YES.. 
AL, K0VM