4 Advanced Operation
4-4
②
Turning ON/OFF with power supply units serially connected
PINs 4 and 8 can be used floating (-S (common) to 100 V).
5Vdc ON = OUTPUT : OFF
5Vdc OFF = OUTPUT : ON
③
To make ON/OFF of ① and ② to OFF/ON (to reverse the logic)
To make ① OFF/ON, apply 5 V between PINs 8 and 4.
To make ② OFF/ON, OPEN the jumper between the PINs 10 and 21. When 5 V is
applied
between PINs 8 and 4, it is turned ON. Stopping application of 5 V turns it OFF.
TB1
8
20
19
18
17
+
5Vdc
10mA
510Ω
7
6
5
4
User connection
Power supply unit
Internal circuit