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 ABB 1MRK002239-BB is a power supply module designed for auxiliary DC system energization. The module operates across a input range of 90-250 VDC, converting system primary power into stable regulated internal operating voltages. Designed for direct integration into Relion series protective relays and injection equipment hardware (such as REX060), it supports continuous operational reliability in substation automation environments.
| Product ID | Description | Input Voltage |
|---|---|---|
| 1MRK002239-BB | Power supply module (PSM) | 90-250 VDC |
| 1MRK002239-AB | Power supply module (PSM) | 24-60 VDC |
| Parameter | Specification |
|---|---|
| Manufacturer | ABB / Hitachi Energy |
| Product ID | 1MRK002239-BB |
| Global Commercial Alias | Power supply module (PSM) |
| Product Type | Power Supply Module |
| Input Voltage | 90-250 VDC |
| Country of Origin | Sweden (SE) |
| Customs Tariff Number | 85389099 |
| Net Weight | 0.53 kg |
| Gross Weight | 0.53 kg |
| Minimum Order Quantity | 1 piece |
Global Express Shipping
Returns & Warranty




The ABB 1MRK002239-BB is a power supply module designed for auxiliary DC system energization. The module operates across a input range of 90-250 VDC, converting system primary power into stable regulated internal operating voltages. Designed for direct integration into Relion series protective relays and injection equipment hardware (such as REX060), it supports continuous operational reliability in substation automation environments.
| Product ID | Description | Input Voltage |
|---|---|---|
| 1MRK002239-BB | Power supply module (PSM) | 90-250 VDC |
| 1MRK002239-AB | Power supply module (PSM) | 24-60 VDC |
| Parameter | Specification |
|---|---|
| Manufacturer | ABB / Hitachi Energy |
| Product ID | 1MRK002239-BB |
| Global Commercial Alias | Power supply module (PSM) |
| Product Type | Power Supply Module |
| Input Voltage | 90-250 VDC |
| Country of Origin | Sweden (SE) |
| Customs Tariff Number | 85389099 |
| Net Weight | 0.53 kg |
| Gross Weight | 0.53 kg |
| Minimum Order Quantity | 1 piece |
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 .
| Color pattern |
Dots
|
| Country of origin |
Switzerland
|
| Power source |
DC Power
|