This document describes the electrical specifications and optical environmental specifications of the Noritake Itron VFD module EGU128X8T-K612C5, as well as the software command list. The module features a 128 x 8 dot graphic display area, blue-green illumination, and operates in a temperature range of -40°C to +85°C.
The EGU128X8T-K612C5 is a 128 × 8 high‑brightness dot graphic VFD module that includes the VFD glass, VF drivers, and a microcontroller. It operates from a single 12 VDC supply and offers RS232 asynchronous serial communication with selectable multi‑drop addresses.
The manual details electrical and optical specifications, RS232 interface settings, software command codes, and connection diagrams. It also lists contact information for Noritake Itron sales offices worldwide.
| Display resolution | 128 × 8 dots |
|---|---|
| Supply voltage | 12.0 VDC ±10% |
| Supply current | 500 mA typ. |
| RS232 input voltage range | -24 V to +24 V |
| RS232 output voltage range | -5 V to +5 V |
| Display area | 306.95 × 25.35 mm |
| Dot size / pitch | 2.15 × 2.95 mm (X) / 2.4 × 3.2 mm (Y) |
| Luminance | 1000 cd/m² typ. |
| Illumination colour | Blue‑Green (505 nm) |
| Operating temperature | -40 °C to +85 °C |
| Operating humidity | 20 % to 85 % RH @ 25 °C |
It requires a 12.0 VDC supply with a tolerance of ±10 %.
Send the hexadecimal command 10 (Software Reset) over the RS232 interface.
The default settings are address 00, 9600 baud, no parity, 8 data bits, 1 stop bit.
The module operates from –40 °C up to +85 °C.