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Chapter 1 General
1-2
1.2. Features
1) MASTER-K120S series is extremely compact, to fit a wide range of applications and have following features.
(1) High speed processing
High speed processing of 0.1~0.9µs/step with an general purpose processor included .
(2) Various built-in functions
The main unit can perform many functions without using separate modules. Therefore, It is possible to construct various
systems just using the main unit.
• Fast Processing Applications
- Pulse catch: Allows the main unit to read a pulse which has width as small as 10 ㎲.
- High speed counter(Economic): Support high-speed counting up to 100(10)kHz for 1 phase, 50(5)kHz for 2 phase.
- External interrupts : Using in applications that have a high-priority event which requires immediate responses.
• The input filter function help reduce the possibility of false input conditions from external noise, such as signal
chattering. The filter time can be programmed from 0 to 1000ms.
• Using RS-232C and RS-485 built-in port, MASTER-K120S can connects with external devices, such as personal
computers or monitoring devices and communicate 1:N with MASTER-K120S system.
• Using built-in PID control function, PID control system can be constructed without using separate PID module.
• Using built-in Positioning function, position control system can be constructed without using separate position control
module.(only DRT/DT type has built-in positioning function)
(3) Battery-less
The user’s program can be saved permanently, because it is stored to EEPROM.
(4) When program is edited during processing, it is stored to EEPROM automatically
(5) Open network by use of communication protocols in compliance with international standard specifications.
(6) Various special modules that enlarge the range of application of the PLC
(7) It can easily do On/Off of the system, using RUN/STOP switch.
(8) It can easily save the user program in EEPROM by simple manipulation in KGLWIN without using external memory.
(9) Strong self-diagnostic functions
It can detect the cause of errors with more detailed error codes.
(10) It can prevent unintentional reading and writing, using password.
(11)
Debugging function(Standard type)
On-line debugging is available when the PLC Operation mode is set to debug mode.
y executed by one command.
y executed by break-point settings.
y executed by the condition of the device
y executed by the specified scan time.
(12) Various program execution function
External and internal interrupt program as well as scan program can be executed by setting the execution condition.
Therefore, user can set variously program execution mode.