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 compact and high-density motion control tasks, the Beckhoff EM7004-0000 serves as a specialized multi-axis interface within the EtherCAT I/O environment. This high-performance EtherCAT Terminal module integrates a comprehensive array of physical inputs and outputs designed to coordinate compact drive applications directly from the I/O station. By unifying 16 digital inputs, 16 digital outputs, 4 analog outputs, and 4 encoder interfaces in a single housing, this module minimizes control cabinet footprint and simplifies network topology.
The module features onboard logic allowing outputs to be switched in direct relation to counter states, enabling high-speed hardware-level interactions. Built-in watchdog functionality and parameterizable user scaling ensure reliable operation under demanding industrial conditions.
| BECKHOFF |
| EM7004-0000 |
| 4-axis interface |
| 16 x 24 V DC |
| 16 (8 x 0.5 A, 8 x 1.5 A), 24 V DC |
| 4 x ±10 V (2 mA) |
| 4 x (A, /A, B, /B, gate, latch, ground); isolated RS485 (RS422); 4 x 16-bit quadrature encoder; < 400 kHz |
| 24 V DC (external) |
| 24 V DC (external) |
| Min. 1 ms |
| Typ. 280 mA |
| None (no power contacts) |
| 500 V (E-bus/field potential) |
| 20 byte ENC/PLS input, 28 byte DO/AO/ENC/PLS output |
| 0 to +55 degC |
| -25 to +85 degC |
| 95 %, non-condensing |
| Conforms to EN 60068-2-6 / EN 60068-2-27 |
| Conforms to EN 61000-6-2 / EN 61000-6-4 |
| IP20 |
| 147 mm x 100 mm x 56 mm (with connector) |
| Approx. 260 g |
Global Express Shipping
Returns & Warranty

Designed for compact and high-density motion control tasks, the Beckhoff EM7004-0000 serves as a specialized multi-axis interface within the EtherCAT I/O environment. This high-performance EtherCAT Terminal module integrates a comprehensive array of physical inputs and outputs designed to coordinate compact drive applications directly from the I/O station. By unifying 16 digital inputs, 16 digital outputs, 4 analog outputs, and 4 encoder interfaces in a single housing, this module minimizes control cabinet footprint and simplifies network topology.
The module features onboard logic allowing outputs to be switched in direct relation to counter states, enabling high-speed hardware-level interactions. Built-in watchdog functionality and parameterizable user scaling ensure reliable operation under demanding industrial conditions.
| BECKHOFF |
| EM7004-0000 |
| 4-axis interface |
| 16 x 24 V DC |
| 16 (8 x 0.5 A, 8 x 1.5 A), 24 V DC |
| 4 x ±10 V (2 mA) |
| 4 x (A, /A, B, /B, gate, latch, ground); isolated RS485 (RS422); 4 x 16-bit quadrature encoder; < 400 kHz |
| 24 V DC (external) |
| 24 V DC (external) |
| Min. 1 ms |
| Typ. 280 mA |
| None (no power contacts) |
| 500 V (E-bus/field potential) |
| 20 byte ENC/PLS input, 28 byte DO/AO/ENC/PLS output |
| 0 to +55 degC |
| -25 to +85 degC |
| 95 %, non-condensing |
| Conforms to EN 60068-2-6 / EN 60068-2-27 |
| Conforms to EN 61000-6-2 / EN 61000-6-4 |
| IP20 |
| 147 mm x 100 mm x 56 mm (with connector) |
| Approx. 260 g |
Global Express Shipping
Returns & Warranty
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| Country of origin |
Germany
|