Lake Shore Model 325 Temperature Controller User’s Manual
4-20 Operation
Press the Enter key to accept the new upper limit. You will see the next display.
The Proportional (P) value is entered using the numeric keypad, which includes the numbers 0 – 9, +/–, and decimal
point. Proportional has a range of 0 to 1000 with a default of 50. Press the Enter key to accept the new setting. You will
see the next display.
The Integral (I) value is entered using the numeric keypad, which includes the numbers 0 – 9, +/–, and decimal point.
Integral has a range of 0 to 1000 with a default of 20. Press the Enter key to accept the new setting. You will see the
next display.
The Derivative (D) value is entered using the numeric keypad, which includes the numbers 0 – 9, +/–, and decimal point.
Derivative has a range of 0 to 200 percent with a default of 0. Press the Enter key to accept the new setting. You will see
the next display.
The MHP Output setting is entered using the numeric keypad, which includes the numbers 0 – 9, +/–, and decimal point.
Manual heater has a range of 0 to 100 percent with a default of 0. Press the Enter key to accept the new heater setting.
Assuming the zone is controlling using Loop 1, you will see the next display.
Use the s or t key to select the Heater Range: High, Low, or Off. Press the Enter key to accept the new heater range
and return to the normal display. (If you are controlling using Loop 2, the last heater range setting is omitted.) This
completes the setting of Zone 01. Repeat the process for the subsequent zones.