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4.1.3 Block diagram
Controlling
Current
source
Rx
A
D
Analog output
0 ... 10
V
µ
P
D
A
Temperature
compensation
Pt100 0 ... 20 mA 4 ... 20 mA 0 ... 10
V
Clock
Datalogger
Keyboard
Displa
y
I/0 Interface
Relays
RS232 (IEEE488)
Memory
Protective
circuit
Protective
circuit