How to troubleshoot no LCD display on Omron CP1H CPU?
If the Omron Computer Hardware LCD display is not showing anything, first, check if the LCD is correctly connected and that the PLC power supply is working normally. If it's still in startup, just wait a moment as it may not be an error.
General| PLC Series | CP1H |
|---|---|
| Program Memory | 20K steps |
| Data Memory | 32K words |
| High-speed counters | 4 (up to 100 kHz) |
| Pulse outputs | 4 (up to 100 kHz) |
| Analog Outputs | Up to 2 |
| Expansion Slots | 3 |
| Operating Temperature | 0 to 55 °C |
| I/O Points | Varies by model. See details below. |
| High-speed Counter | 100 kHz |
| Pulse Output | 100 kHz |
| Analog Inputs | Varies by model. See details below. |
| Communication Ports | RS-232C |
| Programming Language | Ladder logic, Structured text |
| Power Supply | 24 VDC |
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