Troubleshooting
Chapter Five: Maintenance and Troubleshooting
50
Test A: Localizing the Malfunction to the Cable or the Electronics Unit
Equipment Required:
Digital Volt Meter (DVM)
1. Disconnect the sensor cable from the sensor.
2. Place the
RANGE SELECT
switch in the
SYS CHK
position.
3. Place the
REG
switch in the
OFF
position.
4. Use the DVM to check the voltages at the sensor end of the cable.
Refer to Table 14 for the appropriate voltage values. Reference the DVM to pin H (2).
Sensor Cable Voltage Check
Sensor Cable Pin
Number
Voltage
Function
I or (13)
+12 to +13
Sensor electronics supply voltage
D or (14)
+12 to +13
System Check command
J or (15)
6 Volts RMS
Excitation voltage
Note that some sensor cables use numbers while others use letters.
Table 14: Sensor Cable Voltage Check
Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com
