REO Elektronik REOVIB MFS 168 – Vibratory Feeder Controller
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Product Information
The REO Elektronik REOVIB MFS 168 is a frequency converter and vibratory feeder controller belonging to the REOVIB family. Engineered to drive and regulate electromagnetic vibratory feeding equipment, bowl feeders, and linear conveyors, it provides precise output voltage and frequency control independently of mains supply frequency fluctuations. The unit automatically detects mains supply input voltages between 110 V AC and 230 V AC at 50/60 Hz, supplying selectable output voltages of 0 to 100 V AC or 0 to 205 V AC across an output frequency range of 30 Hz to 140 Hz. Available in IP20 cabinet-mount and IP54 standalone enclosure housing options, it supports maximum current variants of 3 A, 6 A, and 8 A to suit diverse automated assembly and material handling systems.
Integrating the REOVIB MFS 168 into an automation line involves connecting field signals for setpoint adjustment and system enable control. Setpoints can be commanded via 0–10 V DC analog voltage, 0–20 mA current loops, external potentiometers, or direct entry on the front panel keypad. The unit features an external 24 V DC enable input for master controller switching, as well as an auxiliary 24 V DC power supply output to interface an external vibration amplitude sensor, such as the REOVIB SW accelerometer. When paired with an accelerometer, the controller enables automatic resonant frequency tracking and active amplitude regulation to ensure consistent feed rates despite mechanical load changes or thermal expansion. Replacing an existing unit requires matching the current rating, configuring soft start ramps adjustable from 0 to 5 seconds, and setting upper and lower voltage limits (Umin/Umax) via the front display. ABC Industrial Parts can assist in sourcing and preparing the correct replacement unit to match your system specifications.
System status and operating metrics are monitored directly using the integrated digital display and front keypad, which allow technicians to view live operational values and adjust parameter setpoints. For integration into higher-level PLC monitoring, the controller includes a status changeover relay rated for 250 V AC at 1 A to report fault conditions or system ready status. When encountering irregular feeding performance, technicians should verify the mains supply voltage, check the 24 V DC enable signal and sensor wiring, and inspect setpoint input connections. If external control signals and power supplies are verified but output drive generation fails, internal control circuit or power electronics faults may be present. In such cases, replacing the controller with a tested spare or utilizing repair services from ABC Industrial Parts offers a fast route back to full production capability.
Technical Specifications
| Manufacturer | REO Elektronik |
| Part Number | REOVIB MFS 168 |
| Model / Type | REOVIB MFS 168 |
| Product Family | REOVIB |
| Component Type | Vibratory Feeder Controller |
| Supply Voltage Range | 110 - 230 V AC (Auto Detect) |
| Supply Frequency | 50 / 60 Hz (+/- 3 Hz) |
| Output Voltage Range | 0 - 100 V AC / 0 - 205 V AC |
| Output Frequency Range | 30 - 140 Hz |
| Max Output Current Variants | 3 A / 6 A / 8 A |
| Sensor Power Supply Output | 24 V DC |
| External Enable Input | 24 V DC |
| Setpoint Signal Inputs | 0-10 V DC, 0-20 mA, Potentiometer, or Front Panel Keypad |
| Soft Start Time Adjustment | 0 - 5 s |
| Status Relay Contact Rating | 250 V AC, 1 A |
| Enclosure Protection Options | IP20 / IP54 |
Programming and Configuration
Parameterization of the REOVIB MFS 168 is performed directly through the integrated front panel digital display and keypad interface. Operating settings, including minimum and maximum voltage limits (Umin and Umax), output frequency setpoints, and setpoint scaling, can be configured and saved directly into internal user settings memory.
Commissioning requires adjusting the programmable soft-start acceleration ramp, which can be set between 0 and 5 seconds to protect drive components and prevent mechanical shock during system activation. When paired with an external REOVIB SW acceleration sensor, the controller performs automatic resonant frequency detection to lock onto the natural frequency of the conveyor system.
Communication and System Integration
The REOVIB MFS 168 interfaces with higher-level automation architecture using standardized setpoint signals and discrete logic control. It accepts external setpoint values commanded via 0–10 V DC analog voltage inputs, 0–20 mA current signals, or direct analog input from a manual potentiometer, allowing flexible connection to PLCs and process controllers.
Remote track control and system enable functions are managed via a 24 V DC digital enable input. Additionally, the unit provides a 24 V DC auxiliary supply output to power an external vibration amplitude sensor, and includes a volt-free changeover relay contact rated at 250 V AC, 1 A for sending status and fault signals back to the main control system.
Diagnostics and Status Indication
Operational monitoring is facilitated by the front panel digital display, which presents operating values, setpoint parameters, and configurable Umin/Umax limits during unit operation.
System fault signaling and ready status reporting are provided by an internal changeover relay output rated for 250 V AC at 1 A. This volt-free output allows master PLC systems to monitor device readiness and respond to operational interruptions.
Replacement and Spare Part Considerations
When selecting a replacement REOVIB MFS 168 unit, ensure that the output current rating matches the drive coil requirement (3 A, 6 A, or 8 A variant) and that the enclosure type corresponds to the installation location (IP20 cabinet-mount or IP54 standalone housing).
Prior to placing a replacement controller into service, transfer all operating setpoints, soft start ramp times (0 to 5 seconds), and minimum/maximum voltage limits (Umin/Umax) to ensure consistent vibration amplitude and protect connected mechanical components.
Frequently Asked Questions
What input supply voltages does the REOVIB MFS 168 support?
The controller features automatic mains supply voltage detection and operates on supply voltages from 110 V AC to 230 V AC at 50/60 Hz (+/- 3 Hz).
How does automatic resonant frequency control work on this device?
When connected to an external vibration amplitude sensor such as the REOVIB SW accelerometer via the 24 V DC sensor input, the controller automatically detects the resonant frequency of the conveyor system within the 30 Hz to 140 Hz range and actively regulates vibration amplitude.
What setpoint input methods are supported?
Setpoint control can be supplied using a 0–10 V DC voltage signal, a 0–20 mA current loop, an external manual potentiometer, or key entry via the front panel digital display.
What maximum output current variants exist for the REOVIB MFS 168?
The controller is available in maximum output current variants rated at 3 A, 6 A, and 8 A.
What enclosure protection options are available?
The REOVIB MFS 168 is produced in an IP20 version for control cabinet installation and an IP54 version for standalone deployment.
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Specific firmware and hardware versions
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Disclaimer:
We are not an authorised distributor of REO Elektronik.
Product photos are for illustration purposes only and may differ from the actual product delivered.
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