Technical Manual

XNX Universal Transmitter
Section 3 - Calibration
100
3.4 Calibrate mA Output
Use Calibrate mA Output to adjust the milliamp output to provide
the correct output levels at peripheral devices connected to the
transmitter.
Figure 219. Calibrate mA Output Menu
To adjust the 4mA output, use the
switches to increase or
decrease the output, then use
to accept the new value and
move to the 20mA setting or
to discard the selection and
return to the previous menu.
Figure 220. Calibrate mA Output Screens
During installation, an mA meter must be connected in series
with the 4-20 mA loop as shown below.
Control Equipment
XNX
mA
Meter
4-20 mA loop
4-20 mA loop
Remote end
R load
Figure 221. 4-20 mA loop with mA meter
Note: Calibrated mA output is required for proper operation of internal
diagnostics.
An F165 fault will be reported if the 4-20 mA calibration fails.
3.5 Align Excel (Searchline Excel)
Figure 222. Align Excel Menu
For detailed information on Aligning the Searchline Excel, see the
Searchline Excel Technical Manual (P/N: H-MAN0530-V1).
Alignment Bargraph
Signal Strength
1.00 Signal Strength Target
Reference Value
Figure 223. Align Excel Screen
Align the unit using the information found in the Searchline Excel
manual. As the alignment is performed, the transmitter display will
indicate the signal strength in the form of a bar graph. Align the
Excel until the signal strength bar graph reaches or exceeds 1.00 as
shown on the display.