88
Reference Manual
00809-0100-4772, Rev FA
Troubleshooting
March 2016
Troubleshooting
7.4 Advanced troubleshooting
The flowmeter electronics provides several advanced troubleshooting features. These
features enhance your ability to look inside the electronics and can be helpful for trouble-
shooting. As shown in Figure 7-1, there are several test points located on the electronics.
Figure 7-1. Electronics Test Points
A. Ground
B. TP1
C. Test Freq IN
The electronics is capable of internally generating a flow signal that may be used to simulate
a sensor signal. For instructions on how to perform an electronics verification, refer to
Appendix C: Electronics Verification.
Figure 7-2. Signal Flow
A. External test frequency Input
B. Sensor
C. Charge amplifier
D. Amplifier/low-pass filter
E. TP1
F. A-to-D converter/internal frequency generator
G. Digital filter
H. Microprocessor
To Next Page
Loading...
