Technical Specifications

FAQ

1. What is the main function of the ABB 560SFR02 R0001 rack?

The ABB 560SFR02 R0001 is a 19-inch swing frame rack designed for ABB RTU560 systems. It provides the mechanical and electrical infrastructure required to install power supply units, I/O modules, and communication units within a single RTU configuration. The rack supports flexible system arrangements and can be used with a single power supply or with redundant power supplies. Depending on the configuration, the available slots can accommodate I/O modules, communication modules, or a combination of both. The rack also provides the necessary backplane connections for system communication and process signal interfaces, making it suitable for substation automation, utility control, remote monitoring, and industrial automation applications.

2. How many modules can be installed in the 560SFR02 R0001?

The 560SFR02 R0001 has 20 slots in total. Two slots are allocated to power supply units, while the remaining positions can be used for I/O modules and communication units depending on the system configuration. When redundant power supply operation is used, up to 17 I/O modules can be installed. If only one power supply is used, the rack can accommodate up to 18 I/O modules. When a 560BCU05 bus connection unit is used, the rack can also support up to eight communication units. The exact module capacity therefore depends on whether redundant power supplies and communication units are required in the particular RTU560 configuration.

3. Does the 560SFR02 R0001 support redundant power supplies?

Yes. Redundant power supply operation is one of the main features of the 560SFR02 R0001 rack. The rack provides dedicated positions for power supply units, allowing a second compatible PSU to be installed for increased system availability. When redundant power supplies are used, the rack can monitor the power supply condition and provide a relay-based fault indication. The redundant configuration is useful in RTU560 installations where uninterrupted operation is important, such as electrical substations and utility automation systems. When configuring redundancy, the correct power supply modules must be installed in their designated positions, and the system wiring and monitoring connections should follow the RTU560 installation requirements.

4. What type of communication bus does the 560SFR02 use?

The 560SFR02 R0001 uses the RTU560 Serial Peripheral Bus (SPB) for communication between racks and system modules. Two RJ45 interfaces are provided for the SPB connections. Multiple 560SFR02 racks can be connected through the RTU560 I/O bus structure, allowing larger systems to distribute I/O and communication functions across several racks. The rack can also be combined with the 560BCU05 bus connection unit when additional communication-unit capacity or specific system functions are required. Correct bus connection, termination, and rack configuration are important for maintaining reliable communication between the RTU560 components.

5. What is the role of the 560BCU05 with the 560SFR02 R0001?

The 560BCU05 is a bus connection unit designed to extend the communication capabilities of the 560SFR02 rack. When installed in the appropriate configuration, it allows the rack to accommodate up to eight communication units, depending on the RTU560 system architecture. The 560SFR02 can therefore be configured as a communication rack, an I/O rack, or a combined rack containing both communication units and I/O modules. Certain RTU560 functions require the 560BCU05 even when only one communication unit is installed. The bus connection unit should therefore be selected according to the intended RTU560 architecture rather than simply based on the number of available rack positions.

6. How are I/O signals connected through the 560SFR02 R0001?

The 560SFR02 uses Type F DIN 41612 edge connectors for the physical interface between the rack and installed peripheral boards. The system bus connections are provided through the appropriate connector rows, while process signals are connected through dedicated sub-connectors. The rack supports an 18-pole process connector arrangement with crimp connection clips, allowing individual process wires or prefabricated cables to be connected according to the installation requirements. During commissioning, technicians should ensure that the correct connector housing, contacts, wiring assignments, and module position are used. Incorrect process-signal wiring can result in incorrect I/O data, communication problems, or unexpected equipment behavior, so every connection should be verified against the applicable RTU560 configuration.

7. What environmental conditions are suitable for the 560SFR02 R0001?

The 560SFR02 R0001 is specified for an operating temperature range of -25°C to +70°C. Startup is supported down to -40°C, while a maximum operating temperature of +85°C is permitted for a limited period of up to 96 hours. The specified relative humidity range is 5–95% without condensation. These environmental characteristics make the rack suitable for industrial and utility automation installations where temperature and humidity can vary considerably. The cabinet should still provide adequate ventilation and protection against condensation, excessive dust, corrosive contaminants, and other environmental factors. When several power supply units and electronic modules are installed in the rack, the enclosure’s overall thermal conditions should also be considered.

8. What should be checked when replacing or commissioning a 560SFR02 R0001?

Before commissioning or replacing the 560SFR02 R0001, verify the model 560SFR02 R0001 and order number 1KGT022200R0001. The intended system configuration should be confirmed, including the number of power supplies, I/O modules, communication units, and any required 560BCU05 bus connection unit. Check that power supply modules are installed only in their designated positions and that the remaining module positions correspond to the RTU560 configuration. The backplane connectors, SPB connections, process connectors, protective earth, and power-supply monitoring contacts should all be inspected for correct installation. After assembly, verify the rack power supply status and communication-bus operation before commissioning the connected I/O and communication modules. A systematic functional test of the complete RTU560 system should be performed before returning the installation to normal operation.