THORLABS LK220, Руководство пользователя

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Liquid Chiller
Rev A, December 6, 2019 Page 9
On the second and third page of the menu screen, users are able to monitor the operation state of the chiller.

Inlet T1: Temperature of Inlet Coolant
 Cold T2: Temperature of the Cold Plate Inside the Chiller
 HSink T3: Temperature of the Heat Sink Inside the Chiller
 Outlet T4: Temperature of the Outlet Coolant when the Sensor Type is Set to Internal; Temperature of
the External Sensor when the Sensor Type is Set to External
 AMB T5: Temperature of the Ambient Environment
 TEC Current: TEC Driving Current
 TEC Driver: TEC Driving Duty Cycle

PUMP Driver: Pumping Driving Duty Cycle
 FAN Driver: Fan Driving Duty Cycle
 Flow Rate: Current Coolant Flow Rate
4.2.4. Status Display
The device status is displayed on the title bar:

Standby Local: When the Unit is in Standby and Local Operation Mode
 Standby Analog: When the Unit is in Standby and Local-ANG Operation Mode
 Standby TRIG: When the Unit is in Standby and TRIG Operation Mode
 Standby TRIG-ANG: When the Unit is in Standby and TRIG-ANG Operation Mode

Cooling: When the Unit is Running and the Actual Temperature is Higher than the Target but within the
Temperature Window
 Heating: When the Unit is Running, the Actual Temperature is Lower than the Target but within the
Temperature Window

Low ActTemp: When the Unit is Running, the Actual Temperature is Lower than the Target and Outside
the Temperature Window
 High ActTemp: When the Unit is Running, the Actual Temperature is Higher than the Target and Outside
the Temperature Window
4.3. I/O
There are six I/O ports on the front panel of LK220.
 Analog In: SMA Port, provides control of the target temperature from a external signal, 0 V to +5 V DC
Input Corresponds to -5 °C to 45 °C Target temperature;
 Analog Out: BNC Port, provides a monitor signal of the actual temperature, 0 V to +5 V DC Output
Corresponds to -5 °C to 45 °C Actual Temperature
 Trigger In: SMA Port, High Level (+ 5 V) Input to enable the temperature control function of the Chiller;
Low Level (0 V) Input to Disable the Chiller (default)
 Interlock: BNC Port, High Level (+5 V) Output when Chiller Errors Occur; Low Level (0 V) Output when
there are no Chiller Errors