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 deliver precise speed and torque control for three-phase induction and permanent magnet motors, the Mitsubishi Electric FR-E840-0230-4-60 is a high-performance 400V class variable frequency drive from the FR-E800 series. Featuring a conformal circuit board coating (designated by the -60 suffix), this unit is engineered for enhanced environmental resilience in atmospheres containing conductive dust, moisture, or corrosive gases. It operates with a Normal Duty (ND) rated current of 23.0 A and implements standard source logic (PNP) for its control and safety stop input circuits. The integrated voltage monitoring capability via terminal AM provides real-time operational feedback to supervisory control systems.
| Specification Parameter | Value / Rating |
|---|---|
| Manufacturer | Mitsubishi Electric |
| Model Code | FR-E840-0230-4-60 |
| Series | FR-E800 |
| Voltage Class | 400 V Class (Three-Phase Input) |
| Inverter ND Rated Current | 23.0 A |
| Rated Frequency | 50 Hz (Initial Setting) |
| Control Logic (Inputs) | Source Logic (PNP) |
| Safety Stop Signal Logic | Source Logic (Fixed) |
| Circuit Board Coating | With Conformal Coating (Standard -60) |
| Plated Conductor | Without Plated Conductors |
| Monitoring Specification | Voltage (Terminal AM) |
| Device Net Weight | 4.8 kg |
| Shipping Weight (Calculated) | 7.0 kg |
The "-60" suffix indicates that this drive is equipped with conformal PCB coating, making it physically interchangeable with standard uncoated FR-E840 models but highly preferred in corrosive or humid environments. Ensure that parameter configurations are cloned using FR Configurator2 software when swapping older FR-E700 series units, keeping in mind the structural differences in wiring terminals.
When deploying this drive in dense control enclosures, keep the ambient air temperature under 50 degC. Surpassing this threshold requires appropriate current derating. If the drive is mounted side-by-side with zero clearance, the maximum operating temperature must be derated to 40 degC to avoid thermal overload faults.
This model is hard-configured for Source Logic (PNP) operation. When integrating with external controllers, ensure the common terminal connection matches the PNP routing path (typically terminal PC as 24VDC source). Use shielded twisted-pair cables for the AM voltage analog monitoring line to prevent inductive electrical noise from corrupting high-impedance feedback signals.
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Returns & Warranty

Designed to deliver precise speed and torque control for three-phase induction and permanent magnet motors, the Mitsubishi Electric FR-E840-0230-4-60 is a high-performance 400V class variable frequency drive from the FR-E800 series. Featuring a conformal circuit board coating (designated by the -60 suffix), this unit is engineered for enhanced environmental resilience in atmospheres containing conductive dust, moisture, or corrosive gases. It operates with a Normal Duty (ND) rated current of 23.0 A and implements standard source logic (PNP) for its control and safety stop input circuits. The integrated voltage monitoring capability via terminal AM provides real-time operational feedback to supervisory control systems.
| Specification Parameter | Value / Rating |
|---|---|
| Manufacturer | Mitsubishi Electric |
| Model Code | FR-E840-0230-4-60 |
| Series | FR-E800 |
| Voltage Class | 400 V Class (Three-Phase Input) |
| Inverter ND Rated Current | 23.0 A |
| Rated Frequency | 50 Hz (Initial Setting) |
| Control Logic (Inputs) | Source Logic (PNP) |
| Safety Stop Signal Logic | Source Logic (Fixed) |
| Circuit Board Coating | With Conformal Coating (Standard -60) |
| Plated Conductor | Without Plated Conductors |
| Monitoring Specification | Voltage (Terminal AM) |
| Device Net Weight | 4.8 kg |
| Shipping Weight (Calculated) | 7.0 kg |
The "-60" suffix indicates that this drive is equipped with conformal PCB coating, making it physically interchangeable with standard uncoated FR-E840 models but highly preferred in corrosive or humid environments. Ensure that parameter configurations are cloned using FR Configurator2 software when swapping older FR-E700 series units, keeping in mind the structural differences in wiring terminals.
When deploying this drive in dense control enclosures, keep the ambient air temperature under 50 degC. Surpassing this threshold requires appropriate current derating. If the drive is mounted side-by-side with zero clearance, the maximum operating temperature must be derated to 40 degC to avoid thermal overload faults.
This model is hard-configured for Source Logic (PNP) operation. When integrating with external controllers, ensure the common terminal connection matches the PNP routing path (typically terminal PC as 24VDC source). Use shielded twisted-pair cables for the AM voltage analog monitoring line to prevent inductive electrical noise from corrupting high-impedance feedback signals.
Global Express Shipping
Returns & Warranty
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| Country of origin |
United States
|