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 BECKHOFF IP1011-B510 is a high-performance, decentralized CANopen Fieldbus Box designed for acquiring digital signals directly in the field. Equipped with 8 digital inputs, this unit allows direct on-machine installation without the need for a protective control cabinet, minimizing wiring effort and maximizing installation flexibility in demanding industrial environments.
Operating with a fast 0.2 ms input filter, the BECKHOFF IP1011-B510 ensures reliable high-speed signal capture conforming to EN 61131-2 (type 2) standards. The physical signal connection is made via space-saving, screw-type M8 interfaces, while fieldbus communication runs over a standardized CANopen interface. The compact polyamide housing features robust IP65, IP66, and IP67 protection ratings, shielding the internal components from water, dust, and mechanical stress.
To simplify network design, the box automatically detects baud rates from 10 kbaud up to 1 Mbaud and features an integrated 500 V electrical isolation barrier between the control voltage and the fieldbus network. Configuration can be managed through the KS2000 software tool or directly via the system controller using Service Data Objects (SDOs).
| Parameter | Specification |
|---|---|
| Manufacturer | BECKHOFF |
| Model | IP1011-B510 |
| Housing Material | PA6 (polyamide) |
| Protection Class | IP65, IP66, IP67 (conforms to EN 60529) |
| Dimensions (W x H x D) | 30 mm x 175 mm x 26.5 mm |
| Mounting | 2 fixing holes (3.5 mm diameter) for M3 screws |
| Parameter | Specification |
|---|---|
| Number of Inputs | 8 |
| Input Connections | M8, screw-type |
| Nominal Input Voltage | 24 V DC (-15% / +20%) |
| Input Filter | 0.2 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 | typ. 6 mA (EN 61131-2, type 2) |
| Sensor Supply | From control voltage, max. 0.5 A total (short-circuit proof) |
| Parameter | Specification |
|---|---|
| Control Voltage | 24 V DC (-15% / +20%) |
| Box Supply Current | 45 mA + sensor current (max. 0.5 A) |
| Electrical Isolation | Control voltage/fieldbus: 500 V; control voltage/inputs: no |
| Power Feed Connection | 1 x M8 male socket, 4-pin |
| Power Downstream Connection | 1 x M8 female socket, 4-pin |
| Parameter | Specification |
|---|---|
| Bus Interface | 1 x M12 plug, 5-pin |
| Baud Rates | 10 kbaud to 1 Mbaud (automatic detection) |
| Bit Width in Process Image | 8 inputs |
| Number of PDOs | 16 send and 16 receive process data objects |
| Additional Features | Life guarding, node guarding, emergency object, variable mapping, store/restore |
| Configuration | Via KS2000 software tool or the controller (SDOs) |
| Parameter | Specification |
|---|---|
| Operating Temperature | 0 to +55 degC |
| Storage Temperature | -25 to +85 degC |
| Vibration/Shock Resistance | Conforms to EN 60068-2-6 / EN 60068-2-27 |
| EMC Immunity/Emission | Conforms to EN 61000-6-2 / EN 61000-6-4 |
| Interface Type | Function |
|---|---|
| M12 Bus Interface (5-pin) | CANopen fieldbus communication connection |
| M8 Male Socket (4-pin) | Main 24 V DC control voltage input feed |
| M8 Female Socket (4-pin) | Downstream 24 V DC supply loop connection to subsequent modules |
| M8 Screw Sockets (8 points) | Individual connections for 24 V DC digital input signals |
| Marking | Description |
|---|---|
| CE | Conforms to European EMC and low-voltage standards |
| UL | Underwriters Laboratories certification for US/Canada safety standards |
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Returns & Warranty

The BECKHOFF IP1011-B510 is a high-performance, decentralized CANopen Fieldbus Box designed for acquiring digital signals directly in the field. Equipped with 8 digital inputs, this unit allows direct on-machine installation without the need for a protective control cabinet, minimizing wiring effort and maximizing installation flexibility in demanding industrial environments.
Operating with a fast 0.2 ms input filter, the BECKHOFF IP1011-B510 ensures reliable high-speed signal capture conforming to EN 61131-2 (type 2) standards. The physical signal connection is made via space-saving, screw-type M8 interfaces, while fieldbus communication runs over a standardized CANopen interface. The compact polyamide housing features robust IP65, IP66, and IP67 protection ratings, shielding the internal components from water, dust, and mechanical stress.
To simplify network design, the box automatically detects baud rates from 10 kbaud up to 1 Mbaud and features an integrated 500 V electrical isolation barrier between the control voltage and the fieldbus network. Configuration can be managed through the KS2000 software tool or directly via the system controller using Service Data Objects (SDOs).
| Parameter | Specification |
|---|---|
| Manufacturer | BECKHOFF |
| Model | IP1011-B510 |
| Housing Material | PA6 (polyamide) |
| Protection Class | IP65, IP66, IP67 (conforms to EN 60529) |
| Dimensions (W x H x D) | 30 mm x 175 mm x 26.5 mm |
| Mounting | 2 fixing holes (3.5 mm diameter) for M3 screws |
| Parameter | Specification |
|---|---|
| Number of Inputs | 8 |
| Input Connections | M8, screw-type |
| Nominal Input Voltage | 24 V DC (-15% / +20%) |
| Input Filter | 0.2 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 | typ. 6 mA (EN 61131-2, type 2) |
| Sensor Supply | From control voltage, max. 0.5 A total (short-circuit proof) |
| Parameter | Specification |
|---|---|
| Control Voltage | 24 V DC (-15% / +20%) |
| Box Supply Current | 45 mA + sensor current (max. 0.5 A) |
| Electrical Isolation | Control voltage/fieldbus: 500 V; control voltage/inputs: no |
| Power Feed Connection | 1 x M8 male socket, 4-pin |
| Power Downstream Connection | 1 x M8 female socket, 4-pin |
| Parameter | Specification |
|---|---|
| Bus Interface | 1 x M12 plug, 5-pin |
| Baud Rates | 10 kbaud to 1 Mbaud (automatic detection) |
| Bit Width in Process Image | 8 inputs |
| Number of PDOs | 16 send and 16 receive process data objects |
| Additional Features | Life guarding, node guarding, emergency object, variable mapping, store/restore |
| Configuration | Via KS2000 software tool or the controller (SDOs) |
| Parameter | Specification |
|---|---|
| Operating Temperature | 0 to +55 degC |
| Storage Temperature | -25 to +85 degC |
| Vibration/Shock Resistance | Conforms to EN 60068-2-6 / EN 60068-2-27 |
| EMC Immunity/Emission | Conforms to EN 61000-6-2 / EN 61000-6-4 |
| Interface Type | Function |
|---|---|
| M12 Bus Interface (5-pin) | CANopen fieldbus communication connection |
| M8 Male Socket (4-pin) | Main 24 V DC control voltage input feed |
| M8 Female Socket (4-pin) | Downstream 24 V DC supply loop connection to subsequent modules |
| M8 Screw Sockets (8 points) | Individual connections for 24 V DC digital input signals |
| Marking | Description |
|---|---|
| CE | Conforms to European EMC and low-voltage standards |
| UL | Underwriters Laboratories certification for US/Canada safety standards |
Global Express Shipping
Returns & Warranty
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| Country of origin |
Germany
|