ABB Advance Optima Uras 14 - IR Detector Preamplifier Testing

SHB_U14 Chapter 5: Testing 5-5
IR Detector Preamplifier
Accessories:
Multimeter, oscilloscope
Electrical value:
Voltage
Where? • Capacitor voltage
IR detector plug St1 pin 2 + to pin 1
⊥
•
Preamplifier power
IR detector plug St1 pin 6 + to pin 7
⊥
pin 10 to pin 7 ⊥
•
Measurement signal
IR detector plug St1 pin
Desired value: • Capacitor voltage +150 V
• Preamplifier power: ±15 V
• Measurement signal:
Figure 5-2
Preamplifier
Figure 5-3
Preamplifier
pin layout
Stecker 1
Verbindung zur IR-Ekektronik
SIGN. GND 1___
+ 150V 2___
3
AGND
4___
TEMP 5___
+ 15V 6___
GNDA 7___
SIGN. INP. 8___
TEST 9___
- 15V 10__
Note
Pin 3 on plug ST1 is not available.
It has been removed as a means of keying the plug.