Instructions

UPSI-2406DP1 | UPSI-2406DP2
Revision 1-3
19
E3 Description of connectors
PIN FUNCTION
1 Vin +
2 Vin –
3 Vout –
4 Vout +
RS-232
PIN FUNCTION
1 NC
2 RXD
3 TXD
4 DTR
5 GND
6 DSR
7 NC
8 NC
9 NC
RELAY CONNECTION (RL)
Normally open contact (NO): When input power is interrupted, the contact is closed (= 0 ).
PIN FUNCTION
1 Relay contact 1
2 Relay contact 2
2 1
INPUT & OUTPUT
V
in
V
out
+ +
4 3 2 1