Light-On and Dark-On Photoelectric Sensor Logic
Learn how light-on and dark-on photoelectric sensor modes interact with through-beam, retroreflective, and diffuse sensing, PNP/NPN wiring, PLC logic, commissioning, and fault detection.
Manufacturer: Lenze
Product No.: EPM-H505
Country of origin:Germany
Product Type: HMI Touch Panels
Barcode: 85371091
Payment: T/T, Western Union
Weight: 1360g
Dimensions: 15.8 x 21.0 x 3.6 cm
Shipping port: Xiamen
Warranty: 12 months
Designed to provide reliable operator interface capabilities in legacy industrial installations, the Lenze EPM-H505 serves as a robust human-machine interface (HMI) for real-time machine monitoring and control. Featuring a high-contrast 5.7-inch STN display with a resolution of 320 x 240 pixels, this unit utilizes four distinct blue tones to ensure optimal readability for operators under diverse factory lighting conditions. Engineered for seamless integration into existing control architectures, it operates on a standard 24 VDC power supply and communicates via an integrated RS-232 serial interface.
| Parameter | Specification |
|---|---|
| Manufacturer | Lenze |
| Model / Article Number | EPM-H505 |
| Display Type | STN Display (4 Blue Tones) |
| Display Size | 5.7 inches |
| Resolution | 320 x 240 Pixels |
| Supply Voltage | 24 VDC |
| Power Consumption | 10 W |
| Communication Interface | RS-232 |
| Real-Time Clock | Integrated Software Clock |
| Product Status | Obsolete / Legacy Spare Part |
| Commodity Code | 85371091 |
| Export Control Regulations | ECCN: N |
| Dimensions (H x W x D) | 15.8 x 21.0 x 3.6 cm |
| Shipping Weight | 1.36 kg |
The EPM-H505 is a legacy HMI. When replacing an active unit, ensure that you have a verified backup of the original HMI project file (.vzs or equivalent Lenze HMI Designer format). Direct runtime extraction from a damaged unit is often restricted or impossible depending on the original security configurations.
Because this unit utilizes an STN display with 4 blue tones, its viewing angle is narrower than modern TFT displays. Avoid mounting the panel in locations with direct sunlight or high ambient glare. Additionally, ensure the 24 VDC supply is clean and isolated from heavy inductive loads to prevent communication dropouts over the RS-232 line.
When fabricating the RS-232 cable, always use high-quality shielded twisted-pair cabling and ground the shield at the controller side only. Keep the cable length under 15 meters to prevent signal degradation and electromagnetic interference (EMI) issues.
CRITICAL WARNING:
Isolate and lock out all electrical power sources before initiating physical installation or wiring. Verify that the 24 VDC power supply is completely de-energized to prevent damage to the internal logic boards and communication ports.
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Returns & Warranty






Global Express Shipping
Returns & Warranty
Orders are processed and delivered Monday-Friday (excluding public holidays).
For full eligibility, restocking fees, and international return details, please view our official Refund & Return Policy .
| Country of origin |
Germany
|