Xinje XD Series User Manual

378
10 Special Function Instructions
This chapter mainly introduces PWM (pulse width modulation), FRQM, precise timing,
interruption etc.
Special Function Instructions List:
Mnemonic
Function
Circuit and soft components
Chapt
er
Pulse Width Modulation, Frequency Detection
PWM
Output pulse with the
specified duty cycle and
frequency
PWM S1 S2 D
10-1
FRQM
Fixed pulses frequency
measurement
10-2
Time
STR
Precise Time
STR D1 D2
10-3
Interruption
EI
Enable Interruption
EI
10-4-1
DI
Disable Interruption
DI
10-4-1
IRET
Interruption Return
IRET
10-4-1
10-1 Pulse Width Modulation [PWM]
1) Summary
Instruction to realize PWM pulse width modulation
PWM pulse width modulation [PWM]
16 bits
instruction
-
32 bits
instruction
PWM
execution
condition
normally ON/OFF coil
suitable
models
XD/XL (except
XD1/XL1/XDH/XLH)
hardware
requirement
-
software
requirement
-
2)Operands
Operands
Function
Type
S1
specify the duty cycle value or soft component’s
ID number
32 bits, BIN
S2
specify the output frequency or soft
component’s ID number
32 bits BIN
D
specify the pulse output port
bit
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Xinje XD Series Specifications

General

Input Voltage	24V DC
Storage Temperature	-20°C to 70°C
Protection Class	IP20
Type	PLC
Series	XD
Programming Language	Ladder Logic, Instruction List
Communication Interface	RS232, RS485
Power Supply	24V DC
Digital Inputs	Available (number varies by model)
Digital Outputs	Available (number varies by model)
Analog Inputs	Available (number varies by model)
Analog Outputs	Available (number varies by model)
Output Type	Relay, Transistor
Number of Inputs	Varies by model (see Digital Inputs and Analog Inputs)
Number of Outputs	Varies by model (see Digital Outputs and Analog Outputs)
Operating Temperature	0°C to 50°C
Humidity	5% to 95% (non-condensing)