Siemens Simatic S7-300 - Module View and Block Diagram of the SM 322; DO 16 X 120;230 VAC;1 a

Digital Modules
3-67
Programmable Logic Controllers S7-300 Module Data
A5E00105505-03
Terminal assignment and block diagram of the SM 322 DO 16 x 120/230 VAC/1 A
Channel number
Status LEDs - green
Backplane bus
interface
5 V
5 V
N
L 1
L 1
N
M
M
M
M
Fault indicator – red
SF
SF
SF
Figure 3-23 Module View and Block Diagram of the SM 322; DO 16 x 120/230 VAC/1 A