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 to execute decentralized automation tasks directly in challenging industrial environments, the Beckhoff IL2300-C318 is an IP67-rated Fieldbus Box designed for machine-mount distribution without control enclosures. This high-integrity intelligent unit integrates Profibus DP communications directly with local I/O nodes, facilitating high-speed data transmission up to 12 Mbaud with automatic baud rate detection. By utilizing robust M12 and M8 connector interfaces, the module minimizes field-wiring labor while providing exceptional mechanical protection against moisture, dust, and vibration.
| Manufacturer | Beckhoff Automation |
| Model / Article Number | IL2300-C318 |
| Configuration Interface | KS2000 configuration software or DP-V1 master controller |
| Data Transfer Rates | 9.6 kbaud to 12 Mbaud (automatic detection) |
| Control Supply Voltage | 24 V DC (-15% / +20%) |
| Internal Box Current Consumption | 85 mA + sensor load (max. 0.5 A) |
| Electrical Isolation | Control voltage/fieldbus: No; Control voltage/IO: Dependent on I/O type |
| Protection Rating | IP65, IP66, IP67 (conforms to EN 60529) |
| Operating Temperature Range | 0 to +55 degC |
| Storage Temperature Range | -25 to +85 degC |
| Vibration/Shock Resistance | Conforms to EN 60068-2-6 / EN 60068-2-27 |
| EMC Standards | Conforms to EN 61000-6-2 / EN 61000-6-4 |
| Approvals | CE, UL |
| Country of Origin | Germany |
| Shipping Weight (Calculated) | 2.0 kg |
| Package Dimensions (Calculated) | 185 x 65 x 55 mm |
| Connector / Interface | Pin Layout Type | Functional Assignment |
|---|---|---|
| Profibus Input | M12 Plug, 5-pin, B-coded | Pin 1: VP (+5V), Pin 2: RxD/TxD-N (A-line), Pin 3: DGND, Pin 4: RxD/TxD-P (B-line), Pin 5: Shield |
| Profibus Output | M12 Socket, 5-pin, B-coded | Integrated downstream loop-through connection (tee-connector layout) |
| Power Supply Feed | M8 Male, 4-pin | Pin 1: +24 V DC (Control Us), Pin 2: +24 V DC (Load Up), Pin 3: GNDs, Pin 4: GNDp |
| Power Downstream | M8 Female, 4-pin | Feed-through routing to subsequent PLC-Box units |
The IL2300-C318 is directly compatible with any standard Profibus-DP Class 1 or Class 2 Master system. When upgrading legacy Beckhoff systems, please verify that your configuration files are using the correct GSD profile matching the device's hardware revision status. The physical footprint remains backward-compatible with older Beckhoff Fieldbus Box units, making direct mechanical drop-in swaps straightforward.
A common failure point in decentral machine-mounted setups is the total current limit of the M8 power distribution system. While individual box electronics only draw 85 mA, the total current passed through the M8 loop-through must never exceed 4 A. If your local sensor loads exceed this aggregate rating, separate power distribution blocks must be installed to prevent catastrophic connector overheating.
Always ensure that the final physical block on the Profibus string has a dedicated, active M12 terminator installed on the downstream socket. Incorrect network impedance often results in sporadic 12 Mbaud communication dropouts, which are difficult to diagnose. When using KS2000 for field parameterization, ensure the control voltage is stabilized; low control voltage (below 20.4 V DC) will interrupt EEPROM write sequences, leading to parameter corruption faults.
CRITICAL WARNING
Do not perform any wiring modifications or terminal connections while the system power supply is energized. Ensure that all incoming 24 V DC supply paths (Us and Up) are locked out and Tagged out prior to servicing. Failure to isolate both power circuits can result in diagnostic field bus chip damage or equipment failure.
Securely mount the Fieldbus Box on a flat, vibration-resistant surface using two M4 screws through the integrated mounting ears. Max torque: 1.2 Nm.
Connect the incoming Profibus DP cable to the 5-pin M12 B-coded plug, ensuring the key aligns perfectly before tightening the collar hand-tight.
Attach the M8 power cables. Verify that Pin 1 (Control Voltage) and Pin 2 (Load Voltage) are isolated correctly if your application requires independent safety shutdown functionality.
Affix IP67 protective caps to any unused M12 and M8 connections to guarantee the rated moisture and dust resistance is preserved.
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Designed to execute decentralized automation tasks directly in challenging industrial environments, the Beckhoff IL2300-C318 is an IP67-rated Fieldbus Box designed for machine-mount distribution without control enclosures. This high-integrity intelligent unit integrates Profibus DP communications directly with local I/O nodes, facilitating high-speed data transmission up to 12 Mbaud with automatic baud rate detection. By utilizing robust M12 and M8 connector interfaces, the module minimizes field-wiring labor while providing exceptional mechanical protection against moisture, dust, and vibration.
| Manufacturer | Beckhoff Automation |
| Model / Article Number | IL2300-C318 |
| Configuration Interface | KS2000 configuration software or DP-V1 master controller |
| Data Transfer Rates | 9.6 kbaud to 12 Mbaud (automatic detection) |
| Control Supply Voltage | 24 V DC (-15% / +20%) |
| Internal Box Current Consumption | 85 mA + sensor load (max. 0.5 A) |
| Electrical Isolation | Control voltage/fieldbus: No; Control voltage/IO: Dependent on I/O type |
| Protection Rating | IP65, IP66, IP67 (conforms to EN 60529) |
| Operating Temperature Range | 0 to +55 degC |
| Storage Temperature Range | -25 to +85 degC |
| Vibration/Shock Resistance | Conforms to EN 60068-2-6 / EN 60068-2-27 |
| EMC Standards | Conforms to EN 61000-6-2 / EN 61000-6-4 |
| Approvals | CE, UL |
| Country of Origin | Germany |
| Shipping Weight (Calculated) | 2.0 kg |
| Package Dimensions (Calculated) | 185 x 65 x 55 mm |
| Connector / Interface | Pin Layout Type | Functional Assignment |
|---|---|---|
| Profibus Input | M12 Plug, 5-pin, B-coded | Pin 1: VP (+5V), Pin 2: RxD/TxD-N (A-line), Pin 3: DGND, Pin 4: RxD/TxD-P (B-line), Pin 5: Shield |
| Profibus Output | M12 Socket, 5-pin, B-coded | Integrated downstream loop-through connection (tee-connector layout) |
| Power Supply Feed | M8 Male, 4-pin | Pin 1: +24 V DC (Control Us), Pin 2: +24 V DC (Load Up), Pin 3: GNDs, Pin 4: GNDp |
| Power Downstream | M8 Female, 4-pin | Feed-through routing to subsequent PLC-Box units |
The IL2300-C318 is directly compatible with any standard Profibus-DP Class 1 or Class 2 Master system. When upgrading legacy Beckhoff systems, please verify that your configuration files are using the correct GSD profile matching the device's hardware revision status. The physical footprint remains backward-compatible with older Beckhoff Fieldbus Box units, making direct mechanical drop-in swaps straightforward.
A common failure point in decentral machine-mounted setups is the total current limit of the M8 power distribution system. While individual box electronics only draw 85 mA, the total current passed through the M8 loop-through must never exceed 4 A. If your local sensor loads exceed this aggregate rating, separate power distribution blocks must be installed to prevent catastrophic connector overheating.
Always ensure that the final physical block on the Profibus string has a dedicated, active M12 terminator installed on the downstream socket. Incorrect network impedance often results in sporadic 12 Mbaud communication dropouts, which are difficult to diagnose. When using KS2000 for field parameterization, ensure the control voltage is stabilized; low control voltage (below 20.4 V DC) will interrupt EEPROM write sequences, leading to parameter corruption faults.
CRITICAL WARNING
Do not perform any wiring modifications or terminal connections while the system power supply is energized. Ensure that all incoming 24 V DC supply paths (Us and Up) are locked out and Tagged out prior to servicing. Failure to isolate both power circuits can result in diagnostic field bus chip damage or equipment failure.
Securely mount the Fieldbus Box on a flat, vibration-resistant surface using two M4 screws through the integrated mounting ears. Max torque: 1.2 Nm.
Connect the incoming Profibus DP cable to the 5-pin M12 B-coded plug, ensuring the key aligns perfectly before tightening the collar hand-tight.
Attach the M8 power cables. Verify that Pin 1 (Control Voltage) and Pin 2 (Load Voltage) are isolated correctly if your application requires independent safety shutdown functionality.
Affix IP67 protective caps to any unused M12 and M8 connections to guarantee the rated moisture and dust resistance is preserved.
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
|