Sensoray 2246 - Manual (Page 36)

The output relays are configured as shown in Figure 7.
36
OUTCx
OUTNOx
CC0
QBR0
4
3 5
12
1
RE3
TX2-5V
1 2
3
Q4
2N4401
D9 1N4002
VCC5
OUTNCx
2246
Figure 7
AROMAT RELAYS
MODEL TX2-5V
2A CONTACTS