Power Source Illustration; Connection Setting - Excell DIGITAL HIGH PRECISION WEIGHING SCALES User Instructions

EXCELL PRECISION CO., LTD.

(4) Power Source Illustration

The relay circuit board can be supplied either by the external AC power or internal DC
power.
• Relay powered by external AC power
PIN4 and PIN5 are connected with AC power source; J1 and J2 OPEN
‚ Relay powered by internal DC power
No power source input to PIN4 and PIN5; J1 and J2 SHORT

(5) Connection Setting

OK, High, Low can be set at NO (normal open status) or NC (normal close status)
respectively.
• OK、High、Low at NO ( normal open status)
‚ OK、High、Low at NC( normal close status)
Please use a knife to cut the J3, J4 and J5 not connect (open) and solder the J6, J7
and J8 connected.
V1.0
default setting
24 SM2020010426