Digital Modules
Terminal assignment and block diagram of the SM 322;
DO 16 x Rel. 120/230 VAC
Figure 3-30
Module View and Block Diagram of SM 322; DO 16 x Rel. 120/230 VAC
3-94
M
Backplane bus
interface
M
Channel number
Status display – green
L +
M
Programmable Logic Controllers S7-300 Module Data
N
24 V
N
A5E00105505-03