Alpha Omega Instruments 800 Series - Page 51

CONTROL METHODS
BLOCK DIAGRAM
Out 1
Out 2
Out 3Out 4
Input 1
Sensor
Scaling
Power
Control
Power
Switch
+
Heat
Cool
3 3
Temperature Limit Alarms (Shutdown)
Optional RS232 / RS485 / or Analog output
[Pb`1] [It`1] [De`1]
[Pb`2] [It`2] [De`2]
ALPHA OMEGA INSTRUMENTS CORP. Instruction Manual
Series 800/850 Thermoelectric Cooler Controller Page 46