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.
Designed for decentralized acquisition of digital signals, the Beckhoff IP1002-B518 Fieldbus Box operates as an 8-channel digital input module communicating via the CANopen protocol. This ruggedized, IP67-rated device interfaces directly with physical sensors in the field, eliminating the need for protective control cabinets and reducing wiring complexity. The module features an integrated M12 T-connector for seamless CANopen bus routing, alongside standard M8 connections for electrical power supply feed and downstream distribution.
Equipped with a 3.0 ms input filter, the IP1002-B518 digital input module guarantees reliable signal acquisition from proximity switches, limit switches, and photoelectric sensors in high-noise industrial environments. The system supports automatic baud rate detection from 10 kbaud up to 1 Mbaud, enabling straightforward integration into existing CANopen industrial networks.
| Manufacturer | Beckhoff |
| Model/Part Number | IP1002-B518 |
| Product Series | Fieldbus Box (IPxxxx-B51x series) |
| Protocol | CANopen |
| Number of Inputs | 8 digital inputs |
| Input Connection Type | M12, screw type |
| Nominal Input Voltage | 24 V DC (-15% / +20%) |
| Input Filter Delay | 3.0 ms |
| "0" Signal Voltage | -3 to +5 V (EN 61131-2, type 2) |
| "1" Signal Voltage | 11 to 30 V (EN 61131-2, type 2) |
| Input Current | Typically 6 mA (EN 61131-2, type 2) |
| Sensor Supply | From control voltage, max. 0.5 A total (short-circuit proof) |
| Bus Interface | 1 x M12 plug (5-pin), 1 x M12 socket (5-pin), integrated T-connector |
| Power Supply Feed | 1 x M8 male socket (4-pin) |
| Power Supply Downstream | 1 x M8 female socket (4-pin) |
| Current Consumption (Box) | 45 mA + sensor current |
| Electrical Isolation | Control voltage/fieldbus: 500 V |
| Protection Rating | IP65, IP66, IP67 (conforms to EN 60529) |
| Operating Temperature | 0 to +55 degC |
| Storage Temperature | -25 to +85 degC |
| Housing Material | Polyamide PA6 |
| Dimensions (W x H x D) | 30 mm x 210 mm x 26.5 mm |
| Shipping Weight | 2.0 kg |
| Interface Type | Connector Style | Function |
|---|---|---|
| Fieldbus In | M12 Plug, 5-pin | CANopen bus entry point |
| Fieldbus Out | M12 Socket, 5-pin | Downstream CANopen connection (T-connector branch) |
| Power Feed | M8 Male, 4-pin | 24 V DC control voltage input |
| Power Downstream | M8 Female, 4-pin | Loop-through 24 V DC control voltage |
| Digital Inputs 1-8 | M12, screw-type | Sensor connection terminals |
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Designed for decentralized acquisition of digital signals, the Beckhoff IP1002-B518 Fieldbus Box operates as an 8-channel digital input module communicating via the CANopen protocol. This ruggedized, IP67-rated device interfaces directly with physical sensors in the field, eliminating the need for protective control cabinets and reducing wiring complexity. The module features an integrated M12 T-connector for seamless CANopen bus routing, alongside standard M8 connections for electrical power supply feed and downstream distribution.
Equipped with a 3.0 ms input filter, the IP1002-B518 digital input module guarantees reliable signal acquisition from proximity switches, limit switches, and photoelectric sensors in high-noise industrial environments. The system supports automatic baud rate detection from 10 kbaud up to 1 Mbaud, enabling straightforward integration into existing CANopen industrial networks.
| Manufacturer | Beckhoff |
| Model/Part Number | IP1002-B518 |
| Product Series | Fieldbus Box (IPxxxx-B51x series) |
| Protocol | CANopen |
| Number of Inputs | 8 digital inputs |
| Input Connection Type | M12, screw type |
| Nominal Input Voltage | 24 V DC (-15% / +20%) |
| Input Filter Delay | 3.0 ms |
| "0" Signal Voltage | -3 to +5 V (EN 61131-2, type 2) |
| "1" Signal Voltage | 11 to 30 V (EN 61131-2, type 2) |
| Input Current | Typically 6 mA (EN 61131-2, type 2) |
| Sensor Supply | From control voltage, max. 0.5 A total (short-circuit proof) |
| Bus Interface | 1 x M12 plug (5-pin), 1 x M12 socket (5-pin), integrated T-connector |
| Power Supply Feed | 1 x M8 male socket (4-pin) |
| Power Supply Downstream | 1 x M8 female socket (4-pin) |
| Current Consumption (Box) | 45 mA + sensor current |
| Electrical Isolation | Control voltage/fieldbus: 500 V |
| Protection Rating | IP65, IP66, IP67 (conforms to EN 60529) |
| Operating Temperature | 0 to +55 degC |
| Storage Temperature | -25 to +85 degC |
| Housing Material | Polyamide PA6 |
| Dimensions (W x H x D) | 30 mm x 210 mm x 26.5 mm |
| Shipping Weight | 2.0 kg |
| Interface Type | Connector Style | Function |
|---|---|---|
| Fieldbus In | M12 Plug, 5-pin | CANopen bus entry point |
| Fieldbus Out | M12 Socket, 5-pin | Downstream CANopen connection (T-connector branch) |
| Power Feed | M8 Male, 4-pin | 24 V DC control voltage input |
| Power Downstream | M8 Female, 4-pin | Loop-through 24 V DC control voltage |
| Digital Inputs 1-8 | M12, screw-type | Sensor connection terminals |
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| Country of origin |
Germany
|