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 330878-50-00 is a 3300 XL 50 mm Proximitor Sensor designed as a fundamental signal processing component of eddy current proximity transducer systems. This device accepts a noncontacting input from one 3300 XL 50 mm proximity probe and extension cable, converting the relative distance between the probe tip and target into a proportional voltage output. Engineered specifically for long-range displacement monitoring, the sensor is optimized for key industrial machinery measurements where standard proximity probes lack the required measurement range. It provides seamless system interchangeability, delivering an output scaling identical to older legacy systems to facilitate straightforward retrofitting and modernizing without altering monitor configurations.
| Part Number Segment | Value | Description |
|---|---|---|
| Base Model | 330878 | 3300 XL 50 mm Proximitor Sensor |
| Option A (Total Length & Mounting) | 50 | 5.0 metres (16.4 feet) system length, panel mount |
| Option B (Agency Approval) | 00 | No Approvals |
| Parameter | Specification |
|---|---|
| Manufacturer | Bently Nevada |
| Model Number | 330878-50-00 |
| Product Type | 3300 XL 50 mm Proximitor Sensor |
| Linear Range | 27.9 mm (1100 mils) |
| Average Scale Factor (ASF) | 394 mV/mm (10 mV/mil) nominal |
| Input Acceptance | One noncontacting 3300 XL 50 mm Proximity Probe and Extension Cable |
| Power Requirements | -17.5 Vdc to -26 Vdc at 12 mA maximum consumption (without barriers) |
| Output Resistance | 50 Ohm |
| Field Wiring Material | 0.2 to 1.5 mm² (16 to 24 AWG); three-conductor shielded triad cable recommended |
| Deviation from Best Fit Straight Line (DSL) | Less than ±0.74 mm (±29 mils) |
| Operating Temperature | -51 degC to +100 degC |
| Storage Temperature | -51 degC to +105 degC |
| Relative Humidity Limits | Less than 3% change in Average Scale Factor (ASF) per IEC standard 68-2-66 |
| Housing Material | A380 aluminum |
| Country of Origin | USA |
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Returns & Warranty

The 330878-50-00 is a 3300 XL 50 mm Proximitor Sensor designed as a fundamental signal processing component of eddy current proximity transducer systems. This device accepts a noncontacting input from one 3300 XL 50 mm proximity probe and extension cable, converting the relative distance between the probe tip and target into a proportional voltage output. Engineered specifically for long-range displacement monitoring, the sensor is optimized for key industrial machinery measurements where standard proximity probes lack the required measurement range. It provides seamless system interchangeability, delivering an output scaling identical to older legacy systems to facilitate straightforward retrofitting and modernizing without altering monitor configurations.
| Part Number Segment | Value | Description |
|---|---|---|
| Base Model | 330878 | 3300 XL 50 mm Proximitor Sensor |
| Option A (Total Length & Mounting) | 50 | 5.0 metres (16.4 feet) system length, panel mount |
| Option B (Agency Approval) | 00 | No Approvals |
| Parameter | Specification |
|---|---|
| Manufacturer | Bently Nevada |
| Model Number | 330878-50-00 |
| Product Type | 3300 XL 50 mm Proximitor Sensor |
| Linear Range | 27.9 mm (1100 mils) |
| Average Scale Factor (ASF) | 394 mV/mm (10 mV/mil) nominal |
| Input Acceptance | One noncontacting 3300 XL 50 mm Proximity Probe and Extension Cable |
| Power Requirements | -17.5 Vdc to -26 Vdc at 12 mA maximum consumption (without barriers) |
| Output Resistance | 50 Ohm |
| Field Wiring Material | 0.2 to 1.5 mm² (16 to 24 AWG); three-conductor shielded triad cable recommended |
| Deviation from Best Fit Straight Line (DSL) | Less than ±0.74 mm (±29 mils) |
| Operating Temperature | -51 degC to +100 degC |
| Storage Temperature | -51 degC to +105 degC |
| Relative Humidity Limits | Less than 3% change in Average Scale Factor (ASF) per IEC standard 68-2-66 |
| Housing Material | A380 aluminum |
| Country of Origin | USA |
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 |
Blue
Silver
|
| Country of origin |
United States
|