Martel Electronics SP5-1710-BL - Manual (Page 3)

SCREW TERMINAL FUNCTIONS
JUMPER LINK FUNCTIONS
V+ Positive power supply to the meter.
0V 0V power supply to the meter.
Vin Positive measuring input, with reference to 0V.
BL+ Positive power supply to the LED backlighting.
power supply to the LED backlighting.
J1. Not fitted: The module has a 0 to 1V d.c. full scale range (default setting).
Fitted: The module has a -1V to +1V d.c. full scale range.
The scale annunciators (-, 0, +) are visible. This overrides links J3 and J4.
J2. Not fitted: The input voltage is not inverted (default setting).
Fitted: The input voltage is inverted inside the meter.
J3. Not fitted: The scale annunciators (-,0,+) are not displayed.
Fitted: The scale annunciators (-,0,+) are displayed. This overrides link J4.
J4. Not fitted: The scale annunciator (0) is not displayed.
Fitted: The scale annunciator (0) is displayed.
J BL. Not fitted: LED backlighting is not required or V+ exceeds 5V.
Fitted: To switch on the LED backlighting when V+ = 5V, fit JBL to connect BL- to 0V.
If V+ exceeds 5V, then a series resistor must be fitted in the backlighting circuit. See
the application diagrams on this datasheet for details.
BL- Negative
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SP 5-1710-BL
17 Segment Analogue LCD Meter
Specifications liable to change without prior warning SP 5-1710-BL Issue 1 January/2004 M.C. Applies to SP 5-1710/2
PO Box 770, Londonderry, NH 03053 1-800-821-0023
www.martelcorp.com