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94
Wiring
Section 3-4
3-4-2
Internal Circuitry
The following diagrams show the internal circuitry of the analog input section.
Input Circuitry
Internal Configuration
1 M
15 k
15 k
15 k
15 k
AG (common to all inputs)
Input (+)
Input (–)
AG
(analog
0 V)
Input circuit
and
conversion
circuit
1 M
Voltage/
current
input switch
250
Bus
interface
Indicators/Switch
MPU
Regulator
Insulation-type
DC-to-DC
converter
Oscillator
Division
CJ-series PC
EEPROM
RAM ROM
Multi-
plexer
and
amplifier
A/D
converter
INPUT
Externally
connected
terminal
Photocoupler insulation
+5 V
Summary of Contents for CJ1W-AD041-V1
Page 3: ...iv...
Page 5: ...vi...
Page 9: ...x TABLE OF CONTENTS...
Page 15: ...xvi...
Page 99: ...76 Handling Errors and Alarms Section 2 8...
Page 191: ...168 Handling Errors and Alarms Section 4 8...
Page 243: ...220 Handling Errors and Alarms Section 5 8...
Page 381: ...358 Handling Errors and Alarms Section 7 10...
Page 385: ...362 Dimensions Appendix A...
Page 395: ...372 Sample Programs Appendix B...
Page 396: ...373 Appendix C Data Memory Coding Sheets...
Page 417: ...394 Data Memory Coding Sheets Appendix C...
Page 425: ......