Brainchild P91 - Page 37

120V /240V
Mains Supply
120V /240V
Mains
Supply
No Fuse
Breaker
No Fuse
Breaker
Three
Phase
Heater
Power
Three
Phase
Heater
Power
Three Phase
Delta
Heater
Load
Three Phase
Delta
Heater
Load
Contactor
3
4
P41
P91
9
10
Figure 2.9
Output 1 Relay or Triac (SSR) to Drive Contactor
Figure 2.9
Output
1 Relay or Triac (SSR) to Drive Contactor
Load
120V /240V
Mains Supply
120V /240V
Mains
Supply
SSR
30mA / 5V
Pulsed
Voltage
30mA / 5V
Pulsed
Voltage
Internal CircuitInternal Circuit
+
5V
0V
33
33
Figure 2.10 Output 1 Pulsed Voltage to Drive SSRFigure 2.10 Output 1 Pulsed Voltage to Drive SSR
3
4
P41
P91
9
10
UM0P411A
37