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1.4 Internal Block Diagram
Pulse input
Pulse input
circuit
BCD
Input circuit
BCD I/O
Output circuit
Transistor
output circuit
Digital input
Event input
circuit
Linear output
Linear output
circuit
Sensor power
Filter
supply
V
O
Waveform
shaping circuit
EEPROM
Drive
circuit
Micro-
computer
Waveform
shaping circuit
Drive
circuit
V
DD
Power supply circuit (isolated)
Power supply
1.4 Internal Block Diagram
Keys
Indications
Drive
circuit
Drive
X
circuit
Drive
DeviceNet
circuit
circuit
Communi-
Drive
cations
circuit
driver
V
COM
V
O
DC-DC
Converter (isolated)
Transistor
output
Relay output
DeviceNet
Communications
1-7
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