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9
Internal Block Diagrams
Section 1-3
1-3
Internal Block Diagrams
TC4
TC2
Note
(1) The CT inputs are not present on EJ1 Controllers with linear outputs.
(2) These are current outputs on EJ1 Controllers with linear outputs.
Switch
inputs
Indicators
EEPROM
Main input 1
Main input 2
Main input 3
Main input 4
Temperature/an-
alog input circuit
Temperature/an-
alog input circuit
Temperature/an-
alog input circuit
Temperature/an-
alog input circuit
Waveform
shaping
circuit
Waveform
shaping
circuit
Waveform
shaping
circuit
Waveform
shaping
circuit
Drive
circuit
Pulse voltage
outputs
Control output 1
Drive
circuit
Pulse voltage
outputs
Control output 2
Drive
circuit
Pulse voltage
outputs
Control output 3
Drive
circuit
Pulse voltage
outputs
Control output 4
Port A commu-
nications circuit
Port B commu-
nications circuit
G3ZA commu-
nications circuit
G3ZA communications
Connector between Units
Connector between Units
Internal buses 1 to 3
24 VDC
Microcomputer
Switch
inputs
Indicators
EEPROM
Main input 1
Main input 2
Temperature/an-
alog input circuit
Waveform
shaping
circuit
Drive
circuit
Pulse voltage
outputs
Control output 1
Drive
circuit
Pulse voltage
outputs
Control output 2
Drive
circuit
Control output 3
Drive
circuit
Control output 4
Port A commu-
nications circuit
Port B commu-
nications circuit
G3ZA commu-
nications circuit
G3ZA communications
Connector between Units
Connector between Units
Internal buses 1 to 3
24 VDC
Microcomputer
Waveform
shaping
circuit
Waveform
shaping
circuit
Waveform
shaping
circuit
Waveform
shaping
circuit
Waveform
shaping
circuit
Temperature/an-
alog input circuit
: Functional isolation
CT input 1
CT input 2
CT input circuit
CT input circuit
Event input 1
Event input 2
Event input
circuit
Event input
circuit
Transistor
outputs
Transistor
outputs
(See
note.1)
(See note.2)
Summary of Contents for EJ1 EtherCAT
Page 2: ...EJ1 Modular Temperature Controllers User s Manual Revised July 2008 ...
Page 3: ...iv ...
Page 19: ...xx ...
Page 213: ...188 Detailed Description of Services Section 6 4 ...
Page 227: ...202 Detailed Description of Services Section 7 5 ...
Page 303: ...278 Index ...
Page 305: ......