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V1.0 SM2020010426
24
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) ⇒ default setting
‚ 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.