Subject: From: Date:

Re: [ECS] RC-80 Connections Brian McGinnis Mon, 11 Sep 2000 09:07:20 -0600

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I just wanted to say thanks to Wayne and Bill for all of the information
they sent me.  They did a lot more than just answer my question about
connections.  Hopefully, I should be off and running now. Thanks again.

Brian
----- Original Message -----
From: Brian McGinnis <bd@brianmcginnis.com>
To: <ecs-list@netbloc.com>
Sent: Saturday, September 09, 2000 5:18 PM
Subject: Re: [ECS] RC-80 Connections


> Thanks Bill,
> I would appreciate it if you would fax me the page(s) from your manual.
My
> fax number is (406) 482-4871.
>
> It's funny... I have 3 of them and they all came with two manuals; an
> installation and a user's guide.  But I have no mention of the RS-232
> pin-outs in any of them.  I checked HAI's web site and it's pretty lean on
> this sort of stuff.  I think they want you to be a dealer.
>
> Thanks again,
> Brian
> ----- Original Message -----
> From: Bill Freeman/Austin/IBM <freemanb@us.ibm.com>
> To: <ecs-list@netbloc.com>
> Sent: Friday, September 08, 2000 8:57 AM
> Subject: Re: [ECS] RC-80 Connections
>
>
> Brian:
>
> The connections for HAI thermostat wiring are detailed in an Installation
> manual that came with my units.  I have two RC-100's and, yes, multiple
> 'stats can be connected to a single RS-232 serial port (up to 128, I
> think).   It all works because the communications protocol defined for the
> 'stats is unit number address specific and only the specific 'stat
> addressed by a command will respond.   Each 'stat must be assigned a
unique
> unit number at setup time.   ECS supports this quite well.
>
> If you don't have the installation manual, I could fax you the relevant
> pages from mine on Monday.   I would also suspect that HAI could email you
> a .pdf file that includes the information if you need it quicker than
that.
> Let me know if you need me to fax what I have.
>
> Regards,
>
> Bill Freeman
> freemanb@us.ibm.com
>
>
> "Brian McGinnis" <bd@brianmcginnis.com> on 09/07/2000 05:11:43 PM
>
> Please respond to ecs-list@netbloc.com
>
> To:   "ECS List Server" <ecs-list@netbloc.com>
> cc:
> Subject:  [ECS] RC-80 Connections
>
>
>
>
> Hi all,
>
> Can anyone tell me what the wiring configuration is to connect an HAI
> RC-80 thermostat to ECS?
>
> The owner's manual says to refer to the connection diagram provided by the
> automation software, and the ECS manual says to refer to the
manufacturer's
> instructions. It's a 4 pin connector with yellow, green, red, and black
> wires on it.
>
> I'm assuming it's RS-232 and want to hook it up to a DB-9 connector on the
> PC.
>
> Since I have 3 of them, do I have to dedicate a serial port to each  one?
> The manual says they can be connected in parallel, but I didn't think  the
> RS-232 spec supported this... perhaps it's RS-485?
>
> Thanks,
> Brian
>
>
>
>
>

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