084B4057
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The Danfoss 084B4057, part of the AK-CC55 Case Controllers series, is designed for refrigeration control and features a front-mounted display. This controller supports six analog inputs, three digital inputs, and a MODBUS built-in communication protocol. It operates within a supply range of 115-230V AC.
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Product Description:
084B4057 is designed by Danfoss and belongs to the AK-CC55 Case Controllers family and places the unit in the AK-CC55 Single Coil UI product line. Its gross weight 532 g defines shipping mass and allows handling and packaging decisions for logistics. Digital outputs “6 pc” provide discrete switching channels to control relays and fans, thus permits segmented output mapping for evaporator sequences. Its application area such as refrigeration control specifies intended use and frames parameter defaults for valve, fan and defrost logic. Analog outputs “1 pc” offers a single modulated output for actuator or valve drive. This also centralizes proportional control and power consumption of 5 VA limits control supply sizing.
Device’s communication option LON RS485 provides an optional fieldbus path for LonWorks integration and allows connection to Lon networks via an add-on module. Supply voltage AC (max) 230 V sets the upper supply limit and constrains local supply wiring and protection choices. Analog inputs (ai) 6 pc enable multiple temperature and pressure sensors and support multi-sensor control loops and redundancy. The module front display gives local visibility for status and parameter changes. Further, the communication built-in MODBUS supplies a standard RS485 protocol.
Its net weight 350 g also specifies the unit mass without packaging and the supply voltage AC (min) 115 V marks the lower supply boundary. The component 084B4057 allows 2.003 liter volume to define the physical envelope and assists panel layout and mounting density. Digital inputs (di) “3 pc” accept discrete signals for events such as defrost start and door contact. Gross and net weights inform transport and mounting but net weight of 350 g specifically clarifies installed mass for rail support. Its power consumption of 5 VA appears again in system power budgets which confirms low draw under typical operation.
Frequently Asked Questions about 084B4057:
Q: What analog output capability does 084B4057 provide?
A: The controller uses one analog output. This single output supplies a proportional control signal for an expansion valve or actuator.
Q: How does 084B4057 suit refrigeration control applications?
A: Its application area is refrigeration control. The controller includes features for valve modulation, defrost scheduling, and temperature control.
Q: Why is the power consumption rating important for 084B4057 controller?
A: The power consumption of 5 VA sets the control supply load that the transformer or supply must provide. Power distribution planning and fuse sizing account for the 5 VA draw to avoid undervoltage conditions.
Q: What model designation identifies the controller type for 084B4057?
A: The variant’s type is AK-CC55 Single Coil UI. That designation defines firmware features, IO mapping, and supported accessories.
Q: How can 084B4057 module connect to LonWorks networks?
A: The communication protocol LON RS485 provides the physical and protocol interface for LonWorks integration. Control networks that require LonWorks will install the LON RS485 card to enable fieldbus communication.
