
Pulse train signal circuit
Descriptions
Specifications
Pulse train signal
system
Open collector system (collector current MAX 12 mA),
Differential system
Maximum input
frequency
60 kpps (Open collector system),
100 kpps (Differential system)
Current position output circuit
Descriptions
Specifications
Current position signaling system
Differential system
Maximum output frequency
10 kpps
EC
Series
Pulse train signal circuit, current position output circuit
If the PLC unit pulse train signal output uses the differential system
PLC Unit side
ECPT side
A phase
B phase
Differential signal_0 V
Differential signal_0 V
Differential signal_0 V
Pulse train signal PP
100 Ω
4.7 KΩ
4.7 KΩ
100 Ω
100 Ω
100 Ω
Pulse train signal NP
Pulse train signal /PP
Pulse train signal /NP
If the PLC unit pulse train signal output uses the open collector system
The pulse train signal output specifications require a current limiting
resistor when using the open collector output.
Pulse train signal power supply V
Recommended limiting resistor R
5 V±5%
1/4 W, 430 Ω±5%
12 V±5%
1/4 W, 1.5 KΩ±5%
24 V±10%
1/2 W, 3.3 KΩ±5%
Pulse train signal input specifications
Use a PLC unit which meets the following specifications.
Descriptions
Specifications
Differential system
Line driver IC (Am26C31 equivalent)
Open collector system
Rising/falling time: 3 μsec or less
ON time/OFF time: 5 μsec or more
PLC Unit side
ECPT side
A phase
B phase
Pulse train signal PP
Pulse train signal power supply
V
R
R
Limiting resistor
Limiting resistor
4.7 KΩ
4.7 KΩ
100 Ω
100 Ω
100 Ω
100 Ω
Pulse train signal NP
Pulse train signal /PP
Pulse train signal /NP
Current position
Signal
Current position
Signal
Differential signal_0 V
Differential signal_0 V
Current position
Current position signal -
Differential signal_0 V
ECPT side
PLC Unit side
Note: Set the signal wire length to 2 m or less when using the open collector system.
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