7 Applied Instructions
7.6 High Speed Processing
311
FXCPU Structured Programming Manual
(Basic & Applied Instruction)
1
Outline
2
Instruction List
3
Configuration of
Instruction
4
How to Read
Explanation of
Instructions
5
Basic Instruction
6
Step Ladder
Instructions
7
Applied
Instructions
8
Interrupt Function
and Pulse Catch
Function
A
Relationships
between devices
and addresses
7. Handling of pulse output terminals in the main units
The outputs Y000 and Y001 are the high speed
response type.
When using a pulse output instruction or
positioning instruction, adjust the load current of
the open collector transistor output.
When the load is smaller, connect a dummy
resistor in parallel to the outside of a used output
terminal (Y000 or Y001) as shown in the circuit
diagram below so that the specified current shown
below flows in the output transistor.
1) For FX
3U, FX3UC and FX3G PLCs
Operating voltage range : DC5 to 24V
Operating current range : 10 to 160 mA
Output frequency : 100 kHz or less
2) For FX
2N and FX2NC PLCs
Operating voltage range : DC5V Operating voltage range : DC12 to 24V
Operating current range : 0.1A Operating current range : 0.1A
Output frequency : 20 kHz or less Output frequency : 10 kHz or less
3) For FX
1NC PLC
Operating voltage range : DC5V Operating voltage range : DC12 to 24V
Operating current range : 10 to 100 mA Operating current range : 50 to 100 mA
Output frequency : 10 kHz or less Output frequency : 10 kHz or less
4) For FX
1S and FX1N PLCs
Even without connecting a dummy resistor, a pulse output of 100 kHz or less can be generated under 5 to
24 VDC (10 to 100 mA).
5) For FX
0, FX0S, FX0N, FXU and FX2C PLCs
Have a current of about 100 mA flow for the FX
2C PLC and a current of about 200 mA flow for the FX0,
FX
0S, FX0N and FXU PLCs and extension.
External
power
supply
Equipment
load
resistor
Dummy
resistor
Y000
COM1
PLC
(transistor output)
[sink output]
Input circuit
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