GM7 & GM7U
CPU, digital I/O and power are embedded in block-type PLCs, which is easy to install in the area you want for system configuration. In case of module-type PLCs, system configuration is easily achieved by a variety of modules (CPUs, I/O, special modules, network modules).
Features
GM7
ㆍHigh function and high performance with dedicated MPU chip
- IEC 61131-3
ㆍGLOFA-GM Network
- Fnet, Rnet as master module
- DeviceNet, Profibus-DP as slave module
ㆍVarious built-in functions
- High speed counter 1 point (1-phase 16kHz, 2-phase 8kHz
- Pulse output 1 point (2kHz only available in Tr-output module)
- PID loop with autotuning
- Pulse catch 8 points (pulse catch: Min. 0.2ms)
- Input filter (Noise reduction)
- interrupt point: 8 points (Task program execution by external interrupt input)
- RS-232C interface 1 channel (Built-in Cnet):dedicated, User-defined, Modbus protocol
Specification
| 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) |
Immediate input/output is |
| available by ‘Direct I/O’ function |
| Program language |
IL (Instruction list) / LD (ladder diagram) / 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/function block |
0.5㎲ / step |
|
| Programming memory capacity |
68K |
Built-in flash memory (128K) |
| I/O points |
From 10 to 80 points (according to modules) |
|
| Data Memory |
Direct variable area (DVA) |
2~8K |
Setting in GMWIN |
| Symbolic variable area (SVA) |
32K - Direct variable area |
|
| Timer |
No limitation. Time range: 0.001~4294967.295 sec (1193 hours) |
20 bytes per 1 timer in SVA |
| Counter |
No limitation. Count range: -32768~32767 |
8 bytes per 1 counter in SVA |
| Operation mode |
RUN, STOP, PAUSE, DEBUG |
|
| Data retention at power failure |
Set to 'Retain' at data declaration |
|
| Number of program blocks |
100 |
|
| Program type |
Task |
Scan |
100 - (Number of program blocks in task) |
|
| Time-driven |
8 |
8 in total |
| Externa |
8 |
| Internal |
8 |
| Initialization |
1 (_INIT) |
| Self-diagnostic function |
Watchdog timer, Memory error, I/O error, etc |
|
| Restart mode |
Cold, Warm |
|
| Built-in function |
PID control |
Control by function block, Autotuning, Forward/Reverse operation, Manual output, Operation scan time setting |
|
| Cnet interface |
Dedicated, Modbus, User-defined protocol |
|
| HSC |
Counting speed |
1-phase 16kHz, 2-phase 8kHz |
|
| Counting method |
1-phase up/down counter (up/down: selection by program)
1-phase up/down counter (up/down: selection by B-phase)
2-phase up/down counter (up/down: Automatic selection by phase difference) |
|
| Multiplication |
1, 2 or 4 |
|
| Task program running |
Task program running when the current value of HSC reaches the setting value |
|
| Pulse catch |
Min. pulse width: 2ms, Maximum 8 points available to use |
|
| Pulse output |
2kHz, 1Ch |
|
| External interrupt Input |
8 points |
|
| Input filter function |
0~15ms (Setting by 1ms) |
|
* 1) Built-in RS-232C signal: 4 (Rx), 7 (Tx), 5 (SG)
* G7M-DR10A, G7M-DR10A (/DC), G7M-DT10A: RS-232C and RS-485 port are embedded.
(Simultaneous use is not allowed) and a communication option module is not available.
