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 integration with MELSEC Q Series PLC systems, the Q68DAIN digital-analog converter module provides high-precision digital-to-analog current conversion across eight independent channels. This module processes 16-bit signed binary digital values to drive precise current signals for field instruments, actuators, and control valves. High-speed signal processing combined with robust channel protection ensures reliable operation in demanding industrial control environments.
| Manufacturer | Mitsubishi Electric |
| Part Number/Model | Q68DAIN |
| Series | MELSEC Q Series |
| Module Type | Digital-Analog Converter Module |
| Number of Analog Output Points | 8 points (8 channels) |
| Digital Input | 16-bit signed binary |
| Accuracy at 25 +/- 5 degC | +/-0.1% or less (current: +/-20 uA) |
| Accuracy at 0 to 55 degC | +/-0.3% or less (current: +/-60 uA) |
| Conversion Rate | 80 us / channel |
| Output Short-Circuit Protection | Protected |
| Connection Terminal | 18-point terminal block |
| Applicable Wire Size | 0.3 to 0.75 mm2 |
| Shipping Weight | Approx. 2.0 kg |
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Returns & Warranty

Designed for integration with MELSEC Q Series PLC systems, the Q68DAIN digital-analog converter module provides high-precision digital-to-analog current conversion across eight independent channels. This module processes 16-bit signed binary digital values to drive precise current signals for field instruments, actuators, and control valves. High-speed signal processing combined with robust channel protection ensures reliable operation in demanding industrial control environments.
| Manufacturer | Mitsubishi Electric |
| Part Number/Model | Q68DAIN |
| Series | MELSEC Q Series |
| Module Type | Digital-Analog Converter Module |
| Number of Analog Output Points | 8 points (8 channels) |
| Digital Input | 16-bit signed binary |
| Accuracy at 25 +/- 5 degC | +/-0.1% or less (current: +/-20 uA) |
| Accuracy at 0 to 55 degC | +/-0.3% or less (current: +/-60 uA) |
| Conversion Rate | 80 us / channel |
| Output Short-Circuit Protection | Protected |
| Connection Terminal | 18-point terminal block |
| Applicable Wire Size | 0.3 to 0.75 mm2 |
| Shipping Weight | Approx. 2.0 kg |
Global Express Shipping
Returns & Warranty
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| Country of origin |
United States
|