SLC 5/03 PID with feedforward

The description of the PID calculation in the SLC 500 instruction set is a little opaque, particularly as regards what happens internally.

Without input scaling, the SP and PV have a range of 0 to 16383.

The internal scaled error value has a range of -32768 to 32767.

The feedforward element has a range of -16384 to 16383.

The output CV has a stated range of 0 to 16383.

Now the question: if a feedforward value is set, is the output still constrained within this range, or is the feedforward added, i.e. for a feedforward of say 1000, is the output range:

0 to 16383,
1000 to 16383,
0 to 17383 or
1000 to 17383?

Thanks in advance.