The 45C-314 is a 14-slot card rack and backplane enclosure for Reliance AutoMate 30/40 series PLC systems. It serves as the mechanical base, power distributor and data transmission channel for CPU, I/O, communication and power supply modules. This product has been discontinued, and only refurbished, surplus or NOS units are available for maintenance and expansion of legacy systems.

45C: Unified prefix for Reliance AutoMate 45C-series control components.314: Stands for the 14-slot large-size rack, which offers more installation slots than 6-slot, 10-slot and 13-slot models.No suffix: Represents the original hardware version. Models marked with A/B/C/D are revised versions with optimized structure and connection performance.Hyphen: A common writing style for industrial part numbers, which does not change product functions and compatibility.

Slot Count: 14 slots in total, including long slots for CPU and power supply modules and short slots for I/O and communication modules.Backplane: Dedicated backplane for AutoMate 30/40 series, providing 24 VDC power distribution and high-speed data transmission.Material: Heavy-duty metal housing with good structural strength.Mounting: Equipped with top and bottom mounting brackets for panel installation, with additional fixing points on the rear side.Ventilation: Vents on the top and bottom for natural heat dissipation.Operating Environment: Operating temperature ranges from -10°C to +50°C, relative humidity 5% to 95% non-condensing.Weight: Approximately 2.2 kg.Power Supply Compatibility: Compatible with 2-slot and 3-slot power supply modules. The occupied slots will reduce the total available positions for other modules.

Module Installation: Side loading design for easy installation and removal of modules, fixed by screws.Backplane Connector: Built-in edge connectors to realize power supply and data communication between modules and backplane.System Configurations: Standalone control system with CPU, I/O and power supply; networked system via R-NET protocol; remote distributed I/O system.

It provides stable mechanical support and protection for all installed PLC modules.It distributes 24 VDC power to each module through the internal backplane.It realizes data interaction between different modules to ensure the normal operation of the whole system.It shields electromagnetic interference and adapts to harsh industrial working conditions.It supports large-capacity module configuration to meet the demands of large automation systems.

It is used to replace or expand 14-slot racks in legacy AutoMate 30/40 series PLC systems.It is widely applied in large-scale industrial sites such as manufacturing production lines, process control, water treatment, power, metallurgy and petrochemical industry.It is suitable for renovation projects of old equipment, keeping compatibility with the original system and cutting renovation costs.It is an ideal choice for automation systems that require large I/O quantity and flexible module layout.

Installation: Fasten the rack on the control panel with mounting brackets and reserve enough space for ventilation.Module Insertion: Cut off the system power before inserting modules into corresponding slots, and fix them firmly.Power-On Check: Confirm all modules are fully seated and connections are reliable before powering on the system.Routine Maintenance: Clean dust on vents and connectors every quarter, check the tightness of mounting parts, and keep the device away from moisture and pollutants.Safety: Disconnect all power sources and wait for complete discharge before disassembly and maintenance work to prevent electric shock.