GM6 & GM4

GLOFA-GM Series

GM6 & GM4 are module-type PLC that consist of various modules including basic module(CPU, Power, I/O), communication module and special module. And through various modules, user can configure the optimum system for industry environment.

    • Features
      • High performance features with compact size
      • High-speed processing using dedicated CPU
      • Designed by international standard language (IEC61131-3): IL, LD, SFC
      • Max. I/O points: 384 points
    • Features
      • Max. I/O points: GM4A/B (2,048), GM4C (3,584)
      • Fast processing time with high-speed gate array (0.2㎲/step)
      • Fit for small- and medium-sized manufacturing line network
      • In case of remote system configuration, large-scale control available
      • Downsizing and high performance/function – 35W × 135H × 122D
      • Cnet, DeviceNet, Fast Ethernet, Fnet, Profibus-DP, Rnet support
      • Special function modules
        Analog I/O, PID, High-speed counter, Position control (APM), AT, TC, RTD, etc
Item Specifications Remark
GM6-CPUA GM6-CPUB GM6-CPUC
Operation method Cyclic execution of stored program, Time-driven operation, Internal task operation
I/O control method Scan synchronized batch processing method (Refresh method)
Program language LD (Ladder Diagram)
IL (Instruction List)
SFC (Sequential Function Chart)
Number of instructions Operator LD : 13, IL : 20
Standard function 194
Standard function block 12
Special function block Each special module has its own special function block.
Processing speed Operator 0.5㎲/instruction
Standard function 0.5㎲/step
Standard function block
Programming memory capacity (Kbyte) 68Kbyte Built-in flash memory (128Kbyte)
I/O points 192 points (With 32-pt modules) 384 points (With 64-pt modules)
Data memory Direct variable area (D/A) 2~ 8Kbyte Setting in GMWIN
Symbolic variable area (SVA) 30K- Direct variable area
Timer No limitation
Timer range: 0.001 ~ 4294967sec(1,193 hours)
20 bytes per 1 timer in SVA
Counter No limitation
No limitation : -32768 ~ +32767
8 bytes per 1 counter in SVA
Operation mode RUN, Stop, Debug, Pause
Data retention at power failure Set to “Retain’ at data declaration
Number of program blocks 100
Program type Scan 100
Time-driven 8 8 in total
External interrupt 8
Internal 8
Initialization 1 (_INIT)
Self-diagnostic Watchdog timer, Memory error, I/O error, Batter error, Power supply error
Restart mode Cold, Warm
Base type 4/6/8/12 slot Expansion is not available.
Built-in functions – Cnet (RS-232C) – PID control
– Cnet (RS-422/485)
– RTC function
– PID control
– Cnet (RS-232C)
– HSC (50kHz)
– RTC function
Item Specifications Remark
Operation method Cyclic execution of stored program, Time-driven operation, Internal task operation
I/O control method Scan synchronized batch processing method (Refresh method)
Program language LD (Ladder Diagram)
IL (Instruction List)
SFC (Sequential Function Chart)
Number of instructions Operator LD : 13, IL : 20
Standard function 194
Standard function block 12
Special function block Each special module has its own special function block.
Processing speed Operator 0.12㎲/instruction
Standard function 0.12㎲/step
Standard function block
Programming memory capacity 128Kbyte
I/O points 1,792 points (With 32-pt module
+ Product

GM6 & GM4

GLOFA-GM Series

GM6 & GM4 are module-type PLC that consist of various modules including basic module(CPU, Power, I/O), communication module and special module. And through various modules, user can configure the optimum system for industry environment.

+ GM6 Features
    • Features
      • High performance features with compact size
      • High-speed processing using dedicated CPU
      • Designed by international standard language (IEC61131-3): IL, LD, SFC
      • Max. I/O points: 384 points
+ GM4 Features
    • Features
      • Max. I/O points: GM4A/B (2,048), GM4C (3,584)
      • Fast processing time with high-speed gate array (0.2㎲/step)
      • Fit for small- and medium-sized manufacturing line network
      • In case of remote system configuration, large-scale control available
      • Downsizing and high performance/function – 35W × 135H × 122D
      • Cnet, DeviceNet, Fast Ethernet, Fnet, Profibus-DP, Rnet support
      • Special function modules
        Analog I/O, PID, High-speed counter, Position control (APM), AT, TC, RTD, etc
+ GM6 Specifications
Item Specifications Remark
GM6-CPUA GM6-CPUB GM6-CPUC
Operation method Cyclic execution of stored program, Time-driven operation, Internal task operation
I/O control method Scan synchronized batch processing method (Refresh method)
Program language LD (Ladder Diagram)
IL (Instruction List)
SFC (Sequential Function Chart)
Number of instructions Operator LD : 13, IL : 20
Standard function 194
Standard function block 12
Special function block Each special module has its own special function block.
Processing speed Operator 0.5㎲/instruction
Standard function 0.5㎲/step
Standard function block
Programming memory capacity (Kbyte) 68Kbyte Built-in flash memory (128Kbyte)
I/O points 192 points (With 32-pt modules) 384 points (With 64-pt modules)
Data memory Direct variable area (D/A) 2~ 8Kbyte Setting in GMWIN
Symbolic variable area (SVA) 30K- Direct variable area
Timer No limitation
Timer range: 0.001 ~ 4294967sec(1,193 hours)
20 bytes per 1 timer in SVA
Counter No limitation
No limitation : -32768 ~ +32767
8 bytes per 1 counter in SVA
Operation mode RUN, Stop, Debug, Pause
Data retention at power failure Set to “Retain’ at data declaration
Number of program blocks 100
Program type Scan 100
Time-driven 8 8 in total
External interrupt 8
Internal 8
Initialization 1 (_INIT)
Self-diagnostic Watchdog timer, Memory error, I/O error, Batter error, Power supply error
Restart mode Cold, Warm
Base type 4/6/8/12 slot Expansion is not available.
Built-in functions – Cnet (RS-232C) – PID control
– Cnet (RS-422/485)
– RTC function
– PID control
– Cnet (RS-232C)
– HSC (50kHz)
– RTC function
+ GM4 Specifications
Item Specifications Remark
Operation method Cyclic execution of stored program, Time-driven operation, Internal task operation
I/O control method Scan synchronized batch processing method (Refresh method)
Program language LD (Ladder Diagram)
IL (Instruction List)
SFC (Sequential Function Chart)
Number of instructions Operator LD : 13, IL : 20
Standard function 194
Standard function block 12
Special function block Each special module has its own special function block.
Processing speed Operator 0.12㎲/instruction
Standard function 0.12㎲/step
Standard function block
Programming memory capacity 128Kbyte
I/O points 1,792 points (With 32-pt module