Chapter 3 — Maintenance and Troubleshooting
17
The troubleshooting procedures use measured voltages as shown in the following
figure and tables:
Symbols for Measured Voltages
Symbol
Meaning
Voltage measured between...
V
SIG
Signal voltage from the
transducer
OUT and COM
V
PS
V
XDCR
Power supply voltage
Supply voltage at
transducer
Power Source and Common
-V
T
and COM
Note: V
SIG
, V
PS
, and V
XDCR
are all negative voltage values.
Definitions
Symbol
Definition
Example
A > B
A < B
A = B
"A" value is more positive than "B"
"A" value is more negative than "B"
"A" same value (or very close) to "B"
-21 > -23
-12 < -5
-24.1 = -24.0
V
XDCR
V
SIG
V
PS
