Description
LP-A104 Series; 10.4″ Color LCD Logic Panels
Integrated logic panel combining PLC, HMI and I/O modules with a 10.4″ TFT color display (800×600), built-in 32 inputs & 32 outputs, support for Ethernet, USB, RS-232C/RS-422, CAN, and optional microSD storage.
The Polar Energy Assessment:
LP-A104 is well suited for machines or control panels that need a strong local logic engine plus operator interface — it removes the need for a separate PLC+HMI. Compared to smaller LP-A070, it gives you double I/O and a much larger display. But it’s heavier, needs more panel space, and consumes a bit more power. Use where integrated control + visualization is desired in compact form.
Pros
- All-in-one: HMI + PLC + I/O in a single device (32 in / 32 out)
- Communication: RS-232C, RS-422, Ethernet, CAN, USB host/device, microSD support for logging and backup
- True color TFT, 800×600 resolution, resistive touch screen (works with finger, stylus)
- IP65 front protection, suitable for industrial panel mounting
Limitations
- Needs a larger cutout and deeper enclosure space
- Slightly higher cost relative to simpler HMIs without PLC/I/O
- Integrated I/O means if I/O count is low, you might still waste unused I/O pins
Typical use cases
- Mid to large machine with local control logic + operator interface
- Panels where adding a separate PLC + HMI would be costly or bulky
- Systems where HDMI cloning to bigger display is useful

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