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.
Engineered to optimize centrifugal pump and fan efficiency across demanding industrial networks, the Mitsubishi Electric FR-F840-01160-2-60 Variable Frequency Drive delivers precision speed control within the high-performance FR-F800 Series. This unit features advanced energy-saving algorithms and robust hardware tailored for hostile atmospheres. The FR-F840-01160-2-60 carries a heavy-duty design rating of 55 kW, utilizing specialized protective circuit board coatings to extend its operational lifespan in corrosive or humid environments.
| Parameter | Specification Value |
|---|---|
| Manufacturer | Mitsubishi Electric |
| Model Code | FR-F840-01160-2-60 |
| Series Name | FR-F800 |
| Applicable Motor Capacity | 55 kW |
| Rated Output Current | 116 A |
| Output Rated Capacity | 88 kVA |
| Input Voltage Phase / Freq | Three-phase 380 to 500 V AC, 50 Hz / 60 Hz |
| Voltage Fluctuation Range | 323 to 550 V AC, 50 Hz / 60 Hz |
| Frequency Fluctuation Range | +/- 5 percent |
| Power Supply Capacity | 107 kVA |
| IP Rating / Enclosure | IP00 (Open Type, JEM1030) |
| Cooling System | Forced Air Cooling |
| Country of Origin | Japan |
| Unit Net Weight | 41.0 kg |
| Shipping Weight (Calculated) | 47.0 kg |
| Terminal Designation | Functional Assignment / Circuit Role |
|---|---|
| R/L1, S/L2, T/L3 | Three-phase AC power input connections |
| U, V, W | Three-phase variable frequency output to AC induction motor |
| P/+, PR | DC Bus positive / connection to dynamic braking resistor |
| P/+, N/- | DC Bus common link connection for regenerative converter configurations |
| Earth / Ground (PE) | Chassis grounding terminal for electrical noise safety compliance |
Standard units in this catalog range carry a "-1" suffix for baseline industrial environments. The FR-F840-01160-2-60 features a "-2" region designator (equivalent to standard CA functional specification with embedded European/Chinese EMC filter standards) combined with the protective "-60" suffix. It is directly backwards-compatible in mechanical sizing with standard FR-F740 models of equivalent physical footprint, though parameters must be translated via FR Configurator2 software prior to operational start.
Because this unit is an IP00 open-type chassis, it is susceptible to direct environmental ingress if left unhoused. Mounting inside an IP54 or higher rated MCC panel is required. The drive dissipates approximately 1.5 kW of heat under full-load operation. Ensure your panel's thermal engineering supports forced ventilation calculation rates of at least 250 cubic meters per hour to avoid over-temperature trips.
Keep analog control lines completely separated from high-energy output cables. Ground shielding for terminal connections must terminate at the grounding plate immediately adjacent to the VFD chassis. Do not short the SD terminal (control common) to the safety earth (PE) ground, as this initiates ground loops that cause noise-induced controller resetting.
De-energize all primary supply lines before removing the terminal block covers. Allow a minimum of 10 minutes for internal DC bus capacitors to fully discharge. Always verify that voltage between terminals P/+ and N/- is below 50 V DC with a calibrated voltmeter before executing any physical wiring or maintenance steps.
Mount the chassis vertically on an unpainted, flat metal backplate to ensure continuous electrical ground continuity. Maintain 100 mm clearances above and below the cooling vents.
Route AC input (R/L1, S/L2, T/L3) and output motor connections (U, V, W) through separate metallic conduits to prevent cross-talk and high-frequency interference.
Ground all control shields directly at the cable clamp. Terminate control signals on separate paths from power wiring. Avoid connecting terminal SD to structural PE ground.
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Returns & Warranty

Engineered to optimize centrifugal pump and fan efficiency across demanding industrial networks, the Mitsubishi Electric FR-F840-01160-2-60 Variable Frequency Drive delivers precision speed control within the high-performance FR-F800 Series. This unit features advanced energy-saving algorithms and robust hardware tailored for hostile atmospheres. The FR-F840-01160-2-60 carries a heavy-duty design rating of 55 kW, utilizing specialized protective circuit board coatings to extend its operational lifespan in corrosive or humid environments.
| Parameter | Specification Value |
|---|---|
| Manufacturer | Mitsubishi Electric |
| Model Code | FR-F840-01160-2-60 |
| Series Name | FR-F800 |
| Applicable Motor Capacity | 55 kW |
| Rated Output Current | 116 A |
| Output Rated Capacity | 88 kVA |
| Input Voltage Phase / Freq | Three-phase 380 to 500 V AC, 50 Hz / 60 Hz |
| Voltage Fluctuation Range | 323 to 550 V AC, 50 Hz / 60 Hz |
| Frequency Fluctuation Range | +/- 5 percent |
| Power Supply Capacity | 107 kVA |
| IP Rating / Enclosure | IP00 (Open Type, JEM1030) |
| Cooling System | Forced Air Cooling |
| Country of Origin | Japan |
| Unit Net Weight | 41.0 kg |
| Shipping Weight (Calculated) | 47.0 kg |
| Terminal Designation | Functional Assignment / Circuit Role |
|---|---|
| R/L1, S/L2, T/L3 | Three-phase AC power input connections |
| U, V, W | Three-phase variable frequency output to AC induction motor |
| P/+, PR | DC Bus positive / connection to dynamic braking resistor |
| P/+, N/- | DC Bus common link connection for regenerative converter configurations |
| Earth / Ground (PE) | Chassis grounding terminal for electrical noise safety compliance |
Standard units in this catalog range carry a "-1" suffix for baseline industrial environments. The FR-F840-01160-2-60 features a "-2" region designator (equivalent to standard CA functional specification with embedded European/Chinese EMC filter standards) combined with the protective "-60" suffix. It is directly backwards-compatible in mechanical sizing with standard FR-F740 models of equivalent physical footprint, though parameters must be translated via FR Configurator2 software prior to operational start.
Because this unit is an IP00 open-type chassis, it is susceptible to direct environmental ingress if left unhoused. Mounting inside an IP54 or higher rated MCC panel is required. The drive dissipates approximately 1.5 kW of heat under full-load operation. Ensure your panel's thermal engineering supports forced ventilation calculation rates of at least 250 cubic meters per hour to avoid over-temperature trips.
Keep analog control lines completely separated from high-energy output cables. Ground shielding for terminal connections must terminate at the grounding plate immediately adjacent to the VFD chassis. Do not short the SD terminal (control common) to the safety earth (PE) ground, as this initiates ground loops that cause noise-induced controller resetting.
De-energize all primary supply lines before removing the terminal block covers. Allow a minimum of 10 minutes for internal DC bus capacitors to fully discharge. Always verify that voltage between terminals P/+ and N/- is below 50 V DC with a calibrated voltmeter before executing any physical wiring or maintenance steps.
Mount the chassis vertically on an unpainted, flat metal backplate to ensure continuous electrical ground continuity. Maintain 100 mm clearances above and below the cooling vents.
Route AC input (R/L1, S/L2, T/L3) and output motor connections (U, V, W) through separate metallic conduits to prevent cross-talk and high-frequency interference.
Ground all control shields directly at the cable clamp. Terminate control signals on separate paths from power wiring. Avoid connecting terminal SD to structural PE ground.
Global Express Shipping
Returns & Warranty
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| Country of origin |
United States
|