Omron S8M - Block Diagrams

4 Digital Multicircuit Protector S8M
Connections
■ Block Diagrams
DC branch output 4
−V
+V
DC branch output 3
−V
+V
DC branch output 2
Fuse
Cutoff
circuit
Current-detection
resistor
Cutoff
circuit
Cutoff
circuit
Voltage
detection
S8M-CP04-R/-RS only
Power supply
circuit
Communications
circuit
Communi-
cations
terminals
RS-232C
Display
circuit
Switch
Processing
circuit
Temperature
detection
Current-detection
resistor
Current-detection
resistor
Cutoff
circuit
Thermal
fuse
Thermal
fuse
Current-detection
resistor
Cutoff
circuit
Current-detection
resistor
Cutoff
circuit
Thermal
fuse
Current-
limiting
circuit
Current-
limiting
circuit
Current-
limiting
circuit
Current-
limiting
circuit
Current-detection
resistor
Cutoff
circuit
Current-detection
resistor
Cutoff
circuit
Thermal
fuse
Fuse
Fuse
Fuse
−V
+V
DC branch output 1
−V
+V
+V
−V
Tripping alarm
output
Alarm output
Over-
temperature
output
External
tripping input
DC input
power supply
SD
RD
SG
S8M-CP04-RS only
Current-detection
resistor