44
5-7-4. Output ON/OFF with external contacts
It is possible to turn on or off output with external contacts if the external control
function is activated in Section
“5-5-6. External control (ON/OFF) (06)”
below.
◆
For the setting procedures, see Section
“5-5-6. External control (ON/OFF) (06)”
Pins 21 and 22 (COM)
Short : OUTPUT ON
Open : OUTPUT OFF
1
2
25
26
EXT CONT
「
J3
」
Negative output
Fig. 5-12 Output ON/OFF Terminals with External Contacts
5-7-5. Alarm function using external contacts
It is possible to bring the PSF Series power supply unit into the alarm status
forcedly by short-circuiting the external contacts. Output is turned off and
“HARD” is displayed on the 7-segment LED when the PSF Series power supply
unit is brought into the alarm status. Cut off input power or shut off the
POWER switch to cancel the alarm status.
Pins 20 and 22 (COM)
Fig. 5-13 External Alarm Input Terminals
