Getting Started
Provides initial procedures for getting started with the device.
Caution
Connection of the expansion module is not supported on standard firmware, so a separate custom firmware is required.
Components
| Expansion Module | Pin Map Label | Fixing Screws x2 |
| RS-232C Cable | RS-485 Cable |
| USB Expansion Port Connection Cable (BioStation 3) | USB Expansion Port Connection Cable (BioStation 2a) |
Info
- Components may vary according to the installation environment.
- When assembling the product with the bracket, you can use the included bracket fixing screw (Star Shaped) instead of the product fixing screw for enhanced security.
Name and function of each part

-
USB Expansion Port (5-pin): Connects the device to the expansion module.
-
RS-485 (4-pin): Connect the RS-485 cable.
-
RS-232C (4-pin): Connect the RS-232C cable.
Cables and connectors
RS-232C
| Pin | Name | Color |
|---|---|---|
| 1 | 232 TX | Blue |
| 2 | 232 RX | Yellow |
| 3 | 232 GND | Black |
| 4 | SH GND | Gray |
RS-485
| Pin | Name | Color |
|---|---|---|
| 1 | 485 TRXP | Blue |
| 2 | 485 TRXN | Yellow |
| 3 | 485 GND | Black |
| 4 | SH GND | Gray |
USB Expansion Port Connection Cable
| Pin | Name | Color |
|---|---|---|
| 1 | MAIN VBUS | Red |
| 2 | MAIN DM | White |
| 3 | MAIN DP | Green |
| 4 | NC | - |
| 5 | MAIN GND | Black |
Installation example
Caution
Connection of the expansion module is not supported on standard firmware, so a separate custom firmware is required.
By equipping the Suprema device with an expansion module, you can additionally use RS-485 and RS-232C ports.
The Suprema devices that can accommodate the expansion module are as follows.
