Description
- Model: ABB CP450T-ETH (Order Code: 1SBP260189R1001)
- Brand: ABB (Switzerland-Sweden)
- Series: CP400 Series HMI (Control Builder / PB610 compatible)
- Core Function: High-resolution Operator Interface for PLC/DCS systems
- Product Type: 10.4″ TFT Color Touch Screen Terminal
- Key Specs: 640 x 480 VGA, Ethernet/Serial/USB Ports, 24 V DC Power
- Display Type: 10.4″ TFT Color LCD (256 colors)
- Resolution: 640 x 480 Pixels (VGA)
- Touch Technology: Resistive Analog Touchscreen
- Processor: 32-bit RISC CPU
- Memory: 4 MB Flash (Project) + 512 KB SRAM (Recipe/Data)
- Communication Ports: 1 x Ethernet (RJ45), 1 x RS232, 1 x RS485/RS422
- Expansion: 1 x USB Host, 1 x CF Card Slot
- Input Voltage: 24 V DC (18 V to 30 V range)
- Protection Class: IP65 (Front panel when mounted)
- Programming Software: CP400Soft / PB610 Panel Builder 600

ABB CP450T-ETH 1SBP260189R1001
Application Scenarios & Pain Points
In the industrial world, the ABB CP450T-ETH was the standard “window” into AC500 and AC31 PLC systems for over a decade. It’s a rugged workhorse, but like all HMIs, the backlight and the resistive touch layer are wear-and-tear items. When the screen goes dark or the touch calibration drifts, your operators are essentially flying blind. Because this series is now in the “Classic” or “Limited” phase of the ABB life cycle, getting a new unit through official channels can take months—if they can get it at all.
Typical Application Scenarios:
- Discrete Manufacturing – Assembly Lines Used as the primary HMI for multi-axis pick-and-place machines and conveyor control.
- Food & Beverage – Batch Processing Managing recipe selection and temperature monitoring in pasteurization or mixing tanks.
- Infrastructure – HVAC & Building Automation Centralized monitoring of air handling units and chiller plants via Ethernet.
- Marine & Offshore Used in bridge control systems or engine room monitoring due to its high vibration resistance.
The “Ghost Touch” Problem: I’ve seen many CP450T-ETH units in oily or dusty environments where the touch screen starts “clicking” on its own (Ghost Touching). This usually happens because the front overlay has delaminated or a piece of grit is stuck in the bezel. Before you throw the whole unit away, try cleaning the edge with a soft brush. If that doesn’t work, the digitizer is likely shot. Swapping in a tested unit like the 1SBP260189R1001 is usually faster than trying to repair the glass in the field.
Compatible Replacement Models
The CP400 series had several variations. The “-ETH” suffix is the most important part—don’t buy the standard CP450T if your system relies on Ethernet communication!
| Original Model | Replacement Model | Compatibility | Main Difference | Impact |
| CP450T-ETH | CP651 (Modern) | ⚠️ Software Compatible | Widescreen / Different cutout | Requires fascia plate & software migration |
| CP450T-ETH | CP450T (Non-ETH) | ❌ Incompatible | No Ethernet Port | Cannot talk to modern PLC networks |
| CP450T-ETH | CP440T-ETH | ✅ Direct Replacement | 12.1″ Screen (Larger) | Requires larger cabinet cutout |
Engineering Note: If you are migrating from a 1SBP260189R1001 to the newer CP600 series, remember that the software is different (PB610 vs. CP400Soft). You will need to export your tags and recreate many of the graphics. If you need a “drop-in” fix to avoid 20 hours of programming, stick with the original CP450T-ETH.

ABB CP450T-ETH 1SBP260189R1001
Troubleshooting Quick Reference
| Symptom | Possible Cause | Relation to This Board | Quick Check | Action |
| Screen is Black (Power LED On) | Backlight Inverter Fail | ✅ High | Shine a flashlight at the screen | If images visible, backlight is dead |
| “Communication Error” | Protocol Mismatch | ⚠️ Medium | Ping the IP address of the HMI | Check Ethernet cable and PLC settings |
| Touch Not Responding | Digitizer Failure | ✅ High | Plug in a USB Mouse | If mouse works, replace HMI |
| Stuck on Boot Screen | Corrupt Firmware | ✅ High | Try to re-download project | If download fails, internal Flash is bad |
Our 4-Step Quality Assurance Process:
- Physical Audit: We check the front overlay for scratches or bubbles. A clean screen is priority one.
- Power-On Test: We verify the CCFL/LED backlight brightness is consistent across the 10.4″ display.
- Communication Test: We establish a connection via the ETH port to an AC500 PLC to verify data exchange.
- Touch Calibration: Every unit is calibrated to ensure +/- 1mm accuracy across the entire surface.
- Secure Packing: Shipped in double-wall cardboard with custom foam inserts to prevent screen cracking.
For a formal quote or technical manuals: Visit www.newplcdcs.com
Other ABB Inventory in Stock:
- ABB PM866K01 / PM864K01
- ABB CI854A / CI858
- ABB 3BSE008508R1 (DI810)
- ABB 3BSE013230R1 (TU810V1)
- ABB CP430T-ETH
- ABB PP836 (Panel 800)
- ABB S800 I/O Modules (AI810, AO810)

