202 Specifications
Program storage Storage for 15 sets of tables (gradient, program event, and
detector), with a maximum of 15 steps per table.
Storage for a time-based multi-method program with up to
48 individual steps.
EEPROM stores setup parameters and tables, and preserves
memory indefinitely following power loss or extended
shutdown.
Gradient profiles Eleven gradient curves (including linear, Step [2], concave [4],
and convex [4]). Up to 80 curve segments can be linked.
Liquid crystal display (LCD) 5-inch (12.7-cm) diagonal screen.
Sixteen lines with 40 characters per line.
320 x 200 pixels.
Displays current operating conditions.
Allows operator to monitor complete gradient and timed-event
tables on single screens.
Reverse video cursor prompts operator through program setup.
Keypad, function keys, and
screen keys
Dedicated keys provide direct access to all display screens.
Cursor movement keys simplify programming, editing, and
parameter entering. All keys are eluent-resistant.
Programmable timed events You can program and store 15 timed events for each table.
Switches S1 through S4 are located on the controller’s rear
panel for timed output to external devices. The following
processes may also be controlled by timed-events:
• Audible alarm
•Sparge rate
• Column temperature
• Proceed to initial conditions of specifed table
• Start run of specified table
• Turn detector lamp off
Table A-1 Operational Specifications (Continued)
Item Specification
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