Chromalox 2104 User Manual

Chromalox 2104 Technical Manual 31
Control
Operation
(continued)
ENTIENTI
ENTIENTI
ENTI
AA
AA
A
UTOUTO
UTOUTO
UTO
AUX ▲▼
RESET
Manual Operation
Manual operation allows the controller output
command to be controlled from the front panel
Keyboard. On initial powerup, the controller enters
Automatic control mode (closed loop). When Manual
Mode is entered, the output command appears in the
lower display. The output command can be adjusted
using the up and down arrow keys. The manual mode
can be entered by using the Aux Key or the Digital
Input (CTRL PAGE, ENTI or AUTO). Manual Operation
is not possible when ramp/soak is enabled. In the
heat/cool control mode, only the currently active
control output can be adjusted.
The transfer between Automatic and Manual
operation is bumpless and balanceless. When
switching from automatic to manual control, the
controller assumes the last output command from
automatic mode. When returning to automatic
control, the output is forced to be the last manual
mode output command.
If automatic reset is enabled (CTRL PAGE,
AR = non-zero value) the integral value slowly changes
the output value until it reaches the correct automatic
(PID) output value. If automatic reset is not enabled,
the output is ramped from the last manual output
command to the current automatic output command
at a rate determined by the disintergration time menu
(CTRL PAGE, AUTO).

Chromalox 2104 Specifications

General

Brand	Chromalox
Model	2104
Category	Temperature Controller
Language	English