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+24 VDC Power System User Manual (Section 6013)
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Rev. G
95
Calibrating Battery Charge Digital
Temperature Compensation Slope
Local MCA Control Panel Adjustment Procedure
1.
All controls are located on the MCA Interface Pad. Refer to
2.
With "SYSTEM OK" being displayed on the MCA Interface Pad, press and release the FUNCTION SET
ENTER pushbutton.
or
With "## ALARMS ACTIVE" being displayed on the MCA Interface Pad, press and release the
FUNCTION SET ENTER pushbutton. Repeatedly press and release the FUNCTION SELECT DOWN
arrow pushbutton until "FUNCTION MENU" is displayed. Press and release the FUNCTION SET ENTER
pushbutton.
3.
Repeatedly press and release the FUNCTION SELECT DOWN arrow pushbutton until "CALIBRATION
MENU" is displayed.
4.
Press and release the FUNCTION SET ENTER pushbutton.
5.
Repeatedly press and release the FUNCTION SELECT DOWN arrow pushbutton until "DIGITAL TC OFF”
or “SLOPE = .### V/
°
C" is displayed.
6.
Press and release the ALARM CUTOFF and FUNCTION SET ENTER pushbuttons simultaneously. The
“DIGITAL TC OFF” or "SLOPE =" portion of the display flashes.
7.
Observe the value displayed. This is the Battery Charge Digital Temperature Compensation slope
setting. To change this value, press and hold the FUNCTION SET YES (+) or NO (-) pushbutton.
Release the pushbutton when the desired value is displayed.
NOTE!
Refer to Battery and Equipment Manufacturers’ recommendations or site requirements for the
value. Note that this is the compensation for the entire battery string, not per battery cell.
8.
With the desired slope value being displayed, press and release the FUNCTION SET ENTER pushbutton.
9.
“ARE YOU SURE? + -” is displayed. Press and release the FUNCTION SET YES (+) pushbutton. The
display stops flashing.
NOTE!
The slope value will not be changed and the adjustment mode will be exited if the FUNCTION
SET YES (+) pushbutton is not pressed within 10 seconds of the “ARE YOU SURE? +
-” prompt.
10.
Press and release the FUNCTION SET YES (+) and NO (-) pushbuttons simultaneously, to return to the
beginning of the MCA menu tree.