Re: wiring

["Ira Schneider" <ira_schneider@iname.com>]

Scott,

My current plans are to move the accessory power connector from the left transition module to the console
and have a cable between the console and the module.  There will also be a cable between the left
and right transition modules.

The power box will continue to have either 2 or 3 RW transformers and 1 PowerMaster.  I will remove
the second PowerMaster, the block controller, and the Command Base.

The power cable coming from the power box would still have 6 wires (as per your suggestion).  They
will be: ground, siding power, switch power, accessory power, 2 spares.

The cable going from the console to the module will be connected to the console with a 37-pin circular
connector.  The cable going from the console to the module will be a mixture of AWG 18 wires
(for all power and ground) and AWG 22 wires (for control signals, including turnouts and UCSs).
Of the 37 possible wires, I currently have 4 for mainline power (just for consistency I am bringing
mainline 1 to the console just in case we can use it in the future), 4 for siding power, switch power,
accessory power, ground, 16 for turnout controls (1 red and 1 green per turnout - the ground at the
turnout will be the common ground), and 2 for UCS power (again, the ground will be the common ground).
This leaves 8 unassigned positions on the connectors for future use.

The cable going between the transition modules is a 9-connector DB9 extension cable cut in half.  This
cable, which consists of 9 conductors of AWG 24 wire, carries 8 signal lines for the 4 turnouts and 1 line
for the UCS.

I intend to use AWG 18 wire for all connections within the console that deal with track, switch, and accessory
power and ground and AWG 22 wire for all other connections.  The toggle switches are all rated at 5 amps
at 120 VAC, which should be able to handle 10 amps at 18 VAC.  The direction button will actually be a
SPST switch controlling a 4PDT (or 2 DPDT) relay rated at 5 amps at 120 VAC.

Please let me know if this sounds OK to you.

Thanks.


Ira