Introduction
All Maple Systems HMIs programmed with EBPro (EasyBuilder Pro), including every cMT X Series and cMT Series model, are compatible with LS Electric MASTER-K CPU Direct. Configure your Controller and HMI/cMT with the following parameters to establish reliable communication.
Supported Series: LS MASTER-K series: K80S, K120S, K200S, K300S, K1000S, K7M
Website: http://www.lgis.com/
HMI Settings
| Parameters | Recommended | Options | Notes |
|---|---|---|---|
| PLC type | LG MASTER-K CPU Direct | ||
| PLC I/F | RS232 | RS232/RS485 | |
| Baud rate | 38400 | 9600, 19200, 38400 | |
| Data bits | 8 | 8 | |
| Parity | None | Even, Odd, None | |
| Stop bits | 1 | 1 | |
| PLC sta. no. | 0 | 0–31 |
NOTE: Supports communications between HMI and PLC in pass-through mode. Set LW-9903 to 2 to enhance the speed of download/upload PLC program in pass-through mode.
Online simulator: YES
Device Address
| Bit/Word | Device type | Format | Range | Memo |
|---|---|---|---|---|
| B | PW_Bit | DDDh | 0 ~ 255f | I/O Relay (P) |
| B | KW_Bit | DDDh | 0 ~ 319f | Keep Relay (K) |
| B | MW_Bit | DDDDh | 0 ~ 1919f | Auxiliary Relay (M) |
| B | LW_Bit | DDDh | 0 ~ 639f | Link Relay (L) |
| B | FW_Bit | DDDh | 0 ~ 319f | Special Relay (F) |
| B | TX | DDD | 0 ~ 255 | |
| B | CX | DDD | 0 ~ 255 | |
| B | SX | DD.DD | 0 ~ 99.99 | |
| B | DW_bit | DDDDh | 0 ~ 9999f | D_bit |
| W | MW | DDDD | 0 ~ 1919 | Word type for M |
| W | LW | DDD | 0 ~ 639 | Word type for L |
| W | FW | DDD | 0 ~ 319 | Word type for F |
| W | PW | DDD | 0 ~ 159 | |
| W | KW | DDD | 0 ~ 319 | |
| W | TW | DDD | 0 ~ 255 | Timer Present Value |
| W | CW | DDD | 0 ~ 255 | Counter Present Value |
| W | DW | DDDD | 0 ~ 9999 | Data Register (D) |
Wiring Diagram
NOTE: The serial port pin assignments may vary between HMI models.
RS-232
| HMI | Direction | PLC |
|---|---|---|
| Pin assignments | RS232 9P D-Sub Male | |
| Rx | ↔ (bidirectional) | 3 |
| Tx | ↔ (bidirectional) | 2 |
| GND | ↔ (bidirectional) | 5 |