Rosslare AC-225E - Normally Closed Input Connection; Figure 10: Normally Open Input Connection; Figure 11: Normally Closed Input Connection

Input and Output Connections
AC-225x Series Hardware Installation Manual 21
Figure 10: Normally Open Input Connection
4.1.2 Normally Closed Input Connection
Normally Closed Input has two states:
 Switch Closed – Normal State:
Loop resistance = 0 (short circuit).
 Switch Open – Abnormal State:
Loop resistance = Infinite (open circuit).
Figure 11: Normally Closed Input Connection