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10
Internal Block Diagrams
Section 1-3
HFU
EDU
Switch
inputs
Indicators
EEPROM
Drive
circuit
Drive
circuit
Drive
circuit
Drive
circuit
Port A commu-
nications circuit
Port B commu-
nications circuit
Connector between Units
Connector between Units
Internal buses 1 to 3
24 VDC
Microcomputer
Event input 1
Event input 2
Event input
circuit
Event input
circuit
Transistor
outputs
Transistor
outputs
Event input 3
Event input 4
Event input
circuit
Event input
circuit
Waveform
shaping
circuit
Waveform
shaping
circuit
Waveform
shaping
circuit
Waveform
shaping
circuit
SRAM
Transistor
outputs
Transistor
outputs
Port C com-
munications
circuit
Auxiliary output 1
Auxiliary output 2
Auxiliary output 3
Auxiliary output 4
Port C communications
: Functional isolation
Connector between Units
TTL conversion circuit
Port A connector
Port A communications
Port B communications
Internal bus 1
Internal bus 2
Drive
circuit
Drive
circuit
Transistor
outputs
Transistor
outputs
Auxiliary output 1
Auxiliary output 2
24 VDC
Input power supply
24 VDC
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: ......