Introduction
All Maple Systems HMIs programmed with EBPro (EasyBuilder Pro), including every cMT X Series and cMT Series model, are compatible with Fatek FB/FBs/B1/B1z Series. Configure your Controller and HMI/cMT with the following parameters to establish reliable communication.
Supported Series: FATEK FB/FBs/B1/B1z series, FB MC series, and FB MA series need
HMI Settings
| Parameters | Recommended | Options | Notes |
|---|---|---|---|
| PLC type | FATEK FB/FBs/B1/B1z Series | ||
| PLC I/F | RS232 | RS232/RS485/Ethernet | |
| Baud rate | 9600 | ||
| Data bits | 7 | ||
| Parity | Even | ||
| Stop bits | 1 | ||
| PLC sta. no. | 1 | 0–255 | Must match PLC port setting. |
| Port no. | 500 | Ethernet only. |
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.
Device Address
| Bit/Word | Device Type | Format | Range | Memo |
|---|---|---|---|---|
| B | X | DDDD | 0 ~ 9999 | Input |
| B | Y | DDDD | 0 ~ 9999 | Output |
| B | M | DDDD | 0 ~ 9999 | Internal Relay |
| B | S | DDDD | 0 ~ 9999 | Step Relay |
| B | T | DDDD | 0 ~ 9999 | Timer |
| B | C | DDDD | 0 ~ 9999 | Counter |
| B | PLC_MODE | D | 0 | PLC mode |
| B | R_Bit | DDDDdd | 0 ~ 999915 | |
| B | D_Bit | DDDDdd | 0 ~ 999915 | |
| B | T_FBe | DDDD | 0 ~ 9999 | Timer for FBe Model |
| B | C_FBe | DDDD | 0 ~ 9999 | Counter for FBe Model |
| W | RT | DDDD | 0 ~ 9999 | Timer Register |
| W | RC | DDDD | 0 ~ 9999 | Counter Register |
| W | R | DDDD | 0 ~ 9999 | Data Register |
| W | D | DDDD | 0 ~ 9999 | Data Register |
| W | DRT | DDDD | 0 ~ 9999 | Double Word Timer Register |
| W | DRC | DDD | 200 ~ 255 | Double Word Counter Register |
| W | WX | DDDD | 0 ~ 9999 | Input Word (8-bit) |
| W | WY | DDDD | 0 ~ 9999 | Output Word (8-bit) |
| W | WM | DDDD | 0 ~ 9999 | Internal Relay Word (8-bit) |
| W | WS | DDDD | 0 ~ 9999 | (8-bit) |
| W | FR | DDDD | 0 ~ 9999 | |
| W | WX_16BIT | DDDD | 0 ~ 9999 | |
| W | WY_16BIT | DDDD | 0 ~ 9999 | |
| W | WM_16BIT | DDDD | 0 ~ 9999 | |
| W | WS_16BIT | DDDD | 0 ~ 9999 |
NOTE: T_FBe and C_FBe are exclusive to the FBe model. All other models should use T and C.
Wiring Diagrams
NOTE: The serial port pin assignments may vary between HMI models.
Diagram 1: RS-232 (FBs Port0: RS-232 4P Mini-DIN)
| HMI | Direction | PLC |
|---|---|---|
| Pin assignments | FBs RS232 4P Mini-Din Male | |
| Rx | ↔ (bidirectional) | 3 TXD |
| Tx | ↔ (bidirectional) | 4 RXD |
| GND | ↔ (bidirectional) | 2 GND |
Diagram 2: RS-232 (FBs Communication Module: RS-232 9P D-Sub)
| HMI | Direction | PLC |
|---|---|---|
| Pin assignments | FBs Communication Module RS232 9P D-Sub Male | |
| Rx | ↔ (bidirectional) | 2 TX |
| Tx | ↔ (bidirectional) | 3 RX |
| GND | ↔ (bidirectional) | 5 GND |
Diagram 3: RS-485 2W (FBs Communication Module 3P Terminal Block)
| HMI | Direction | PLC |
|---|---|---|
| Pin assignments | FBs Communication Module 3P Terminal | |
| Data- | ↔ (bidirectional) | Data- |
| Data+ | ↔ (bidirectional) | Data+ |
| GND | ↔ (bidirectional) |
Diagram 4: RS-232 (CPU Port: RS-232 15P D-Sub)
| HMI | Direction | PLC |
|---|---|---|
| Pin assignments | FB CPU Port RS232 15P D-Sub | |
| Rx | ↔ (bidirectional) | 2 TX |
| Tx | ↔ (bidirectional) | 1 RX |
| GND | ↔ (bidirectional) | 6 GND |
| ↕︎ (tie) | 3 RTS 4 CTS |
Diagram 5: RS-485 2W (CPU Port: RS-485 2W 15P D-Sub)
| HMI | Direction | PLC |
|---|---|---|
| Pin assignments | FB CPU Port RS485 2W 15P D-Sub Male | |
| Data- | ↔ (bidirectional) | 7 Data- |
| Data+ | ↔ (bidirectional) | 5 Data+ |
| GND | ↔ (bidirectional) |
Diagram 6: Ethernet

