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-- Copyright (C) 2002 Morgan Kaufmann Publishers, Inc
-- This file is part of VESTs (Vhdl tESTs).
-- VESTs is free software; you can redistribute it and/or modify it
-- under the terms of the GNU General Public License as published by the
-- Free Software Foundation; either version 2 of the License, or (at
-- your option) any later version.
-- VESTs is distributed in the hope that it will be useful, but WITHOUT
-- ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
-- FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
-- for more details.
-- You should have received a copy of the GNU General Public License
-- along with VESTs; if not, write to the Free Software Foundation,
-- Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
library ieee_proposed;
use ieee_proposed.electrical_systems.all, ieee_proposed.mechanical_systems.all;
entity safety_switch is
port ( terminal neutral : electrical;
terminal relay_actuator : translational );
end entity safety_switch;
-- code from book
library ieee_proposed;
use ieee_proposed.electrical_systems.all, ieee_proposed.mechanical_systems.all;
architecture basic of safety_switch is
quantity neutral_potential across neutral to ground;
quantity relay_position across relay_actuator to anchor;
-- ...
begin
-- ...
end architecture basic;
-- end code from book
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