
B–62073E/04
5. POWER SUPPLY UNIT AND INPUT
UNIT CONNECTION
106
(2)Terminal Unit TP2
EON EOF COM FA FB
M5 screw Terminal ×5
(a) EON, EOF, COM : External power supply ON/OFF Terminal
The external power ON/OFF terminal is used to turn on and off the
power supplied from outside the control unit. The connection is as
follows:
EON
EOF
COM
Input unit
POWER
ON
POWER
OFF
Remove this connection.
External power supply ON/OFF Signal
The following figure shows the timing chart according to which the
external power is turned on and off.
EON–COM
EOF–COM
Tofon
To ffTo n
(Power ON)
(Power OFF)
Ton y 500msec
Tof f y 500msec
Tofon y 5sec
The time chart of external power supply ON/OFF signal
The contacts used for turning on and off the external power must
conform to the following specifications:
Withstand voltage: 50 VDC or higher (between contacts)
Withstand current: 100 mA or higher (with minimum load of
2 mA or lower)