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.
Description
The 6FC3986-3JR is a Measurement Circuit Module (HMS) from the SINUMERIK controller range. Engineered by Siemens, this module is designed to process feedback data for CNC systems, specifically handling 3 actual values and 3 setpoints for absolute positioning applications. It acts as a critical interface between the machine's absolute encoders and the SINUMERIK control unit, ensuring accurate synchronization and precise motion control. Although now classified as Obsolete, this module is essential for the continued operation and maintenance of older SINUMERIK-based machine tool architectures.
Features
Technical Specifications
| Attribute | Specification |
|---|---|
| Manufacturer | Siemens |
| Brand | Siemens |
| Product Range | SINUMERIK |
| Model | 6FC3986-3JR |
| Product Type | Measurement Circuit Module (HMS) |
| Capability | 3 Actual Values / 3 Setpoints |
| Weight | 0.80kg |
| Dimensions | 12.00 x 9.30 x 8.50 cm |
| Commodity Code | 85044095 |
| PLM Product Phase | Obsolete |
Installation Guidelines
Global Express Shipping
Returns & Warranty

Description
The 6FC3986-3JR is a Measurement Circuit Module (HMS) from the SINUMERIK controller range. Engineered by Siemens, this module is designed to process feedback data for CNC systems, specifically handling 3 actual values and 3 setpoints for absolute positioning applications. It acts as a critical interface between the machine's absolute encoders and the SINUMERIK control unit, ensuring accurate synchronization and precise motion control. Although now classified as Obsolete, this module is essential for the continued operation and maintenance of older SINUMERIK-based machine tool architectures.
Features
Technical Specifications
| Attribute | Specification |
|---|---|
| Manufacturer | Siemens |
| Brand | Siemens |
| Product Range | SINUMERIK |
| Model | 6FC3986-3JR |
| Product Type | Measurement Circuit Module (HMS) |
| Capability | 3 Actual Values / 3 Setpoints |
| Weight | 0.80kg |
| Dimensions | 12.00 x 9.30 x 8.50 cm |
| Commodity Code | 85044095 |
| PLM Product Phase | Obsolete |
Installation Guidelines
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 |
Germany
|
| Power source |
DC Power
|