Chapter 1. General
1-２
1.2 Feature
1) GLOFA-GM7U series have the following features.
1) GLOFA-GM series features
(1) Designed on the basis of international standard specifications (IEC61131-3)
y Supports easy programming
y Provides IEC61131-3 Language (IL / LD / SFC)
(2) Supports an open network by the international standard communication protocol
(3) High speed processing with an embedded operation-dedicated processor.
(4) Various special modules that enlarge the PLC application range
2) GM7U series are extremely compact to fit a wide range of applications.
(1) High speed processing
High speed processing with 0.1~0.9 μs/step
(2) Various built-in functions
Only with the base unit, the user can configure various systems because it has many built-in functions.
• Fast Processing Applications
-Pulse catch: allows the base unit to read a pulse stably as short as 10μs
-High-speed counter: supports high-speed counting up to 1 phase 100kHz, and 2 phase 50kHz
-External contact interrupts: enables the applications which require immediate responses by using a built-in 8-point
interrupt input
• The input filter function helps to reduce the possibility of false input conditions from external noise, such as signal
chattering. The filter time can be programmed from 0 to 1000 ms.
• The built-in positioning control function enables to control a stepping motor or a servo motor without a separate
positioning module. (DRT, DT type)
• Using RS-232C and RS-485 built-in ports, GM7U can connect to external devices, such as computers or
monitoring devices. These devices can communicate 1:1 with the GM7U or GM6 system.
• Using the built-in PID control function, the PID control system can be configured easily without using separate
PID module.
(3) The user can easily turn On/Off the system with RUN/STOP switch.
(4) The user can configure various systems using a separate Cnet I/F module.
(5) The user program can be easily saved in EEPROM by simple manipulation in GMWIN without using external memory.
(6) Advanced self-diagnostic functions
- GLOFA-GM7U series can detect the errors precisely with more detailed error codes.
(7) Unintentional reading and writing can be prevented by using a password.
(8) Restart mode setting
- The user can select Cold/Warm restart mode.
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