Dwyer 8600 - Manual (Page 21)

December, 1998 Page 21 949-1277-3
2tP to 80tP Time Proportioning Control is adjustable in
1 second steps. Recommended for mechanical
outputs (relays, solenoids, etc.). For best con-
tact life, a time should be selected as long as
possible without causing the process to wan-
der.
#PuL Pulsed Time Proportioning Output: Select 1PuL
to 7PuL. 1PuL = Linear and 7PuL = most
nonlinear. Changes output linearity for use in
cooling applications or for an extremely fast
response processes. At the center of the propor-
tional band, a pulse value of 1 provides an output
of one second on and one second off (50%
output). A pulse value of 2 provides an output of
one second on and two seconds off (33% output).
Output at center of band equals one second on,
2
(pulse value-1) seconds off.
ProP For Current (Code 5) outputs only.
SP (Option 948, 4-Stage Set Point) Active Set Point Stage. Select
1SP1, 2SP1, 3SP1, 4SP1.
1SP1
Set Menu Items to display Stage 1 for view and change
access. If SPSA is set for Int, 1SP1 is made active.
2SP1 Set Menu Items to display Stage 2 for view and change
access. If SPSA is set for Int, 2SP1 is made active.
3SP1 Set Menu Items to display Stage 3 for view and change
access. If SPSA is set for Int, 3SP1 is made active.
4SP1 Set Menu Items to display Stage 4 for view and change
access. If SPSA is set for Int, 4SP1 is made active.
#SP1 (Option 948, 4-Stage Set Point) Adjust Control Point 1 for Stage
selected above.
Note: The menu items for tunE (below) are modified when Option 948 is in
use. When Option 948 is active the menu items are preceeded with the stage
number selected in SP above. The stage number is noted here with the # sign.
When the 4 Stage Set Point option (948) is active, each stage has its own set
of tunE parameters.
#tun (Option 948, 4-Stage Set Point) or
tunE Tuning Choice: Select SELF, Pid, SLO, nor, or FASt.
SELF
The Controller will evaluate the Process and select the PID
values to maintain good control. Active for SP1 only.
LErn Select YES or no