Azbil DCP31 - Page 58

4-16
Chapter 4. WIRING

Internal circuit for controller components for connecting external switch
inputs
Handling Precautions
• Do not connect to the SDC20/21 or SDC30/31 series in paral-
lel. Doing so might damage the external switch inputs of the
SDC20/21 or SDC30/31.
24
21
25
12 Vdc
12 Vdc
48
41
12 Vdc
12 Vdc
Standard terminal base
External
switch
input
External
switch
input
Internal circuit Internal circuit
Add-on terminal base