Implementing 3-Switch XOR Ladder Logic with Internal Bit
Implement a 3-SPST switch XOR light circuit in LogixPro or RSLogix 500 using an internal relay bit. Includes truth tables, boolean equations, and verified.
The Honeywell 2MLT-DMMA is a dust protection module designed for installation into unused slots on MasterLogic-200 PLC base units. It serves as a protective cover to shield internal connectors and backplane circuitry from environmental contaminants such as airborne dust and dirt, maintaining system integrity in industrial operating environments.
| Model | Description | Remarks |
|---|---|---|
| 2MLT-DMMA |
Dust protection module for unused slot |
MasterLogic-200 option |
| Parameter | Specification |
|---|---|
| Manufacturer | Honeywell |
| Model | 2MLT-DMMA |
| Product Type | Dust protection module for unused slot |
| System Series | MasterLogic-200 |
| Operating Temperature | 0 to 55 degC |
| Storage Temperature | -25 to +70 degC |
| Ambient Humidity | 5 to 95%RH (Non-condensing) |
| Storage Humidity | 5 to 95%RH (Non-condensing) |
| Atmosphere | Free from corrosive gases and excessive dust |
| Altitude | Less than 2,000m |
| Pollution Degree | Less than 2 |
| Cooling Method | Air-cooling |
| Certification / Standard | Detail |
|---|---|
| UL | UL 508 Industrial Control Equipment |
| CE | EN 50081-2, Emissions, Industrial |
| CE | EN 50082-2, Immunity, Industrial |
Global Express Shipping
Returns & Warranty

The Honeywell 2MLT-DMMA is a dust protection module designed for installation into unused slots on MasterLogic-200 PLC base units. It serves as a protective cover to shield internal connectors and backplane circuitry from environmental contaminants such as airborne dust and dirt, maintaining system integrity in industrial operating environments.
| Model | Description | Remarks |
|---|---|---|
| 2MLT-DMMA |
Dust protection module for unused slot |
MasterLogic-200 option |
| Parameter | Specification |
|---|---|
| Manufacturer | Honeywell |
| Model | 2MLT-DMMA |
| Product Type | Dust protection module for unused slot |
| System Series | MasterLogic-200 |
| Operating Temperature | 0 to 55 degC |
| Storage Temperature | -25 to +70 degC |
| Ambient Humidity | 5 to 95%RH (Non-condensing) |
| Storage Humidity | 5 to 95%RH (Non-condensing) |
| Atmosphere | Free from corrosive gases and excessive dust |
| Altitude | Less than 2,000m |
| Pollution Degree | Less than 2 |
| Cooling Method | Air-cooling |
| Certification / Standard | Detail |
|---|---|
| UL | UL 508 Industrial Control Equipment |
| CE | EN 50081-2, Emissions, Industrial |
| CE | EN 50082-2, Immunity, Industrial |
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 |
United States
|