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 IP2042-B810 is an industrial-grade, 8-channel digital output Fieldbus Box module designed for decentralized automation environments. Operating via a peer-to-peer RS232 interface, this device permits direct connection of digital control signals to actuators, valves, contactors, and indicators without requiring an intermediate electrical enclosure or protective cabinet. Its physical design is optimized for space-restricted, field-level deployment directly onto machinery.
Housed in a resilient polyamide casing with an IP65/66/67 rating, the BECKHOFF IP2042-B810 provides robust dust and water protection. It manages up to 8 digital outputs with 24 V DC switching capacities, featuring short-circuit protection on each individual channel. Communication runs over an open, documented RS232 protocol to interface efficiently with controllers and industrial computers over direct serial cabling.
| Parameter | Specification |
|---|---|
General Configuration |
|
| Manufacturer | BECKHOFF Automation |
| Model Number | IP2042-B810 |
| Product Type | Fieldbus Box (Digital Output) |
| Housing Material | PA6 (Polyamide) |
| Dimensions (W x H x D) | 30 mm x 175 mm x 26.5 mm |
| Weight | Approx. 210 g |
| Mounting Method | 2 fixing holes (3.5 mm diameter for M3 screws) |
Communication and Interface |
|
| Bus Interface | 1 x M12 socket, 5-pin, B-coded |
| Communication Protocol | Open, documented RS232 protocol |
| Supported Baud Rates | 9.6 kbaud, 19.2 kbaud, 38.4 kbaud (default) |
| Data Transfer Medium | Shielded copper cable, 2 x 0.25 mm² |
| Maximum Cable Length | 15 m |
| Process Image Bit Width | 8 outputs |
Electrical Data (Outputs) |
|
| Number of Outputs | 8 |
| Output Connections | M12, screw type |
| Nominal Output Voltage | 24 V DC (-15% / +20%) |
| Max. Output Current (Per Channel) | 2.0 A (individually short-circuit proof) |
| Total Maximum Current | 12.0 A total (Ch 0–3: sum 4.0 A; Ch 4–5: sum 4.0 A; Ch 6–7: sum 4.0 A) |
| Typical Short-Circuit Current | 4.0 A |
| Load Types | Ohmic, inductive, lamp load |
Power Supply |
|
| Control Voltage Supply | 24 V DC (-15% / +20%) |
| Power Supply Connection | Feed: 2 x M8 male socket, 4-pin (no downstream connection) |
| Box Supply Current | 45 mA + sensor consumption (max. 0.5 A) |
| Auxiliary Power Current | Typically 50 mA per channel |
| Electrical Isolation | Control voltage/fieldbus: Yes; Channels/Control voltage: No |
Environmental and Standards |
|
| Operating Temperature | 0 Celsius to +55 Celsius |
| Storage Temperature | -25 Celsius to +85 Celsius |
| Protection Class | IP65 / IP66 / IP67 (conforms to EN 60529) |
| 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 |
| Approvals and Markings | CE, UL |
| Interface / Connection Point | Function |
|---|---|
| Bus Interface (M12) | 5-pin, B-coded socket for RS232 communication connection. |
| Output Channels (M12) | 8 screw-type connection points for 24 V DC digital actuator signals. |
| Power Input (M8) | Dual 4-pin male sockets for control voltage and auxiliary load supply feed. |
Global Express Shipping
Returns & Warranty

The BECKHOFF IP2042-B810 is an industrial-grade, 8-channel digital output Fieldbus Box module designed for decentralized automation environments. Operating via a peer-to-peer RS232 interface, this device permits direct connection of digital control signals to actuators, valves, contactors, and indicators without requiring an intermediate electrical enclosure or protective cabinet. Its physical design is optimized for space-restricted, field-level deployment directly onto machinery.
Housed in a resilient polyamide casing with an IP65/66/67 rating, the BECKHOFF IP2042-B810 provides robust dust and water protection. It manages up to 8 digital outputs with 24 V DC switching capacities, featuring short-circuit protection on each individual channel. Communication runs over an open, documented RS232 protocol to interface efficiently with controllers and industrial computers over direct serial cabling.
| Parameter | Specification |
|---|---|
General Configuration |
|
| Manufacturer | BECKHOFF Automation |
| Model Number | IP2042-B810 |
| Product Type | Fieldbus Box (Digital Output) |
| Housing Material | PA6 (Polyamide) |
| Dimensions (W x H x D) | 30 mm x 175 mm x 26.5 mm |
| Weight | Approx. 210 g |
| Mounting Method | 2 fixing holes (3.5 mm diameter for M3 screws) |
Communication and Interface |
|
| Bus Interface | 1 x M12 socket, 5-pin, B-coded |
| Communication Protocol | Open, documented RS232 protocol |
| Supported Baud Rates | 9.6 kbaud, 19.2 kbaud, 38.4 kbaud (default) |
| Data Transfer Medium | Shielded copper cable, 2 x 0.25 mm² |
| Maximum Cable Length | 15 m |
| Process Image Bit Width | 8 outputs |
Electrical Data (Outputs) |
|
| Number of Outputs | 8 |
| Output Connections | M12, screw type |
| Nominal Output Voltage | 24 V DC (-15% / +20%) |
| Max. Output Current (Per Channel) | 2.0 A (individually short-circuit proof) |
| Total Maximum Current | 12.0 A total (Ch 0–3: sum 4.0 A; Ch 4–5: sum 4.0 A; Ch 6–7: sum 4.0 A) |
| Typical Short-Circuit Current | 4.0 A |
| Load Types | Ohmic, inductive, lamp load |
Power Supply |
|
| Control Voltage Supply | 24 V DC (-15% / +20%) |
| Power Supply Connection | Feed: 2 x M8 male socket, 4-pin (no downstream connection) |
| Box Supply Current | 45 mA + sensor consumption (max. 0.5 A) |
| Auxiliary Power Current | Typically 50 mA per channel |
| Electrical Isolation | Control voltage/fieldbus: Yes; Channels/Control voltage: No |
Environmental and Standards |
|
| Operating Temperature | 0 Celsius to +55 Celsius |
| Storage Temperature | -25 Celsius to +85 Celsius |
| Protection Class | IP65 / IP66 / IP67 (conforms to EN 60529) |
| 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 |
| Approvals and Markings | CE, UL |
| Interface / Connection Point | Function |
|---|---|
| Bus Interface (M12) | 5-pin, B-coded socket for RS232 communication connection. |
| Output Channels (M12) | 8 screw-type connection points for 24 V DC digital actuator signals. |
| Power Input (M8) | Dual 4-pin male sockets for control voltage and auxiliary load supply feed. |
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 .
| Country of origin |
Germany
|