Connector wiring information, P4 – signal input – Laurel Electronics LAUREATE SERIES SCALE-WEIGHT METER User Manual
Page 7
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7. CONNECTOR WIRING INFORMATION
CONNECTORS
Connectors for signal and power are UL-rated
screw-clamp terminal blocks that plug into
mating jacks on the printed circuit board.
Communication connectors are a single RJ11
plug for RS232, dual RJ11 plugs for RS485,
dual RJ45 plugs for RS485 Modbus, or USB.
Warning: Hazardous voltages may be present on pins 4, 5 & 6 of P1 since digital ground is
tied to pin 3 of P5 (-Signal Input). Keep pin 3 close to earth ground to minimize common mode
voltage or shock hazard at pins 4, 5 & 6 of P1.
P4 – SIGNAL INPUT
Excitation voltage can be jumpered for 5, 10 or 24 Vdc (Section 17).
* Control inputs 1 & 2 of P1 are menu
selectable.
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