Internal Block Diagrams - Omron EJ1 User Manual

Internal Block Diagrams

1-3

Internal Block Diagrams

TC4
Temperature/an-
Main input 1
alog input circuit
Temperature/an-
Main input 2
alog input circuit
Temperature/an-
Main input 3
alog input circuit
Temperature/an-
Main input 4
alog input circuit
TC2
Temperature/an-
Main input 1
alog input circuit
Temperature/an-
Main input 2
alog input circuit
CT input circuit
CT input 1
CT input 2
CT input circuit
Event input
Event input 1
circuit
Event input
Event input 2
circuit
Switch
Indicators
inputs
Waveform
shaping
circuit
Waveform
shaping
circuit
Microcomputer
Waveform
shaping
circuit
Waveform
shaping
circuit
Port A commu-
Port B commu-
nications circuit
nications circuit
Internal buses 1 to 3
24 VDC
Switch
Indicators
inputs
Waveform
shaping
circuit
Waveform
shaping
circuit
Waveform
Microcomputer
shaping
circuit
Waveform
shaping
circuit
Waveform
shaping
circuit
Waveform
shaping
circuit
Port A commu- Port B commu-
nications circuit
nications circuit
Internal buses 1 to 3
24 VDC
EEPROM
Drive
circuit
Drive
circuit
Drive
circuit
Drive
circuit
G3ZA communications
G3ZA commu-
nications circuit
EEPROM
Drive
circuit
Drive
circuit
Drive
circuit
Drive
circuit
G3ZA communications
G3ZA commu-
nications circuit
Section 1-3
Pulse voltage
Control output 1
outputs
Pulse voltage
Control output 2
outputs
Pulse voltage
Control output 3
outputs
Pulse voltage
Control output 4
outputs
Pulse voltage
Control output 1
outputs
Pulse voltage
Control output 2
outputs
Transistor
Control output 3
outputs
Transistor
Control output 4
outputs
: Functional isolation
9