Instruction manual

NGA 2000 MLT Hardware
TEST PROCEDURE / TEST POINTS
11 - 1
Emerson Process Management GmbH & Co. OHG
Instruction Manual
90002929
07/2006
DetectorDetector
SourceSource
Chopper
Ch1Ch2
PCB "PIC" PCB "PSV" PCB "ACU"
I/O's
PCB "SIO"
PCB "DIO"
Network
(Display)
PCB "MOP"
PCB "ADS"
11.1.1
11.1.3
11.1.4
17.5
11.1.5
11.1.6
11. Test Procedure / Test Points
The housing has to be opened (cf. Section 15) for troubleshooting, for checking the connections
and for replacement or cleaning of any of the components of the equipment.
Take care of the safety instructions as given at the beginning of this manual
while working at and inside the instruments!
Working inside the instruments is subject to briefed personnel familiar with
potential risks!
All measuring points are made to earth ( of detectors PCB “VVS”, Fig.
11-2). (Remove covering hood of detector).
11.1 Signal processing
The principle signal processing with PCB "PSV"is shown in Fig. 11-1.
Fig. 11-1: Principle signal processing with PCB "PSV"
SIGNAL PROCESSING WITH PSV