®
Advanced Energy
Figure 4‑5. Bottom I/O connectors
Table 4‑7. Relay K1, K2, and K3 connectors (X21, X22, X23)
Pin
1
2
3
Table 4‑8. AC auxiliary power supply input (X1)
Pin
1
2
3
57010148-00B
Common
Normally open
Normally closed
L1
N
Ground
Communication Controls
Thyro-PX® Power Controller
X4
I/O bus
X2
24 V auxiliary power supply input
X21
Fault relay K1
X22
Limit relay K2
X23
Optional relay K3
X1
AC auxiliary power supply input
Function
Function
4‑9