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Help CenterAbb Dual Chassis Redundant Power Supply Module Pharpspep21023: Hot-swap, Parallel Output, and Fault Isolation
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ABB Dual Chassis Redundant Power Module PHARPSPEP21023: Hot-swappable, Parallel Output and Fault Isolation
Intuitive status indication: The front panel is usually equipped with LED status indicators to indicate "Normal Input", "Normal Output" and "Fault Alarm". Some models may support dry contact output for connecting to the host computer or the central control room for remote monitoring.
3. Technical Parameters
Input voltage: Supports a wide range of input, usually 100-240 VAC or 24-48 VDC (depending on the power module installed inside).
Output voltage: Stably outputs 24 VDC, and may also provide 5 VDC and ±15 VDC for driving specific logic circuits.
Efficiency: Usually > 90%. Adopts advanced switching power supply technology, with low heat generation and can operate in a closed cabinet without forced air cooling.
Physical structure: The dual chassis design means the physical size is longer than a single module. It is usually designed for standard 19-inch rack installation, with the same depth as the MPS III series chassis.
4. Application Scenarios
Process control: Provides redundant power for controllers, I/O cards and fieldbus modules in ABB Symphony DCS or Bailey control systems.
Critical infrastructure: Used in scenarios where power outages are not allowed, such as water treatment, natural gas pipelines, substation automation, etc.
Large-scale automated production lines: In the manufacturing industries such as automotive and metallurgy, provides centralized and highly reliable power distribution for multi-cabinet PLC systems.
5. Installation and Selection Notes
Backplane compatibility: It is necessary to confirm whether the backplane of the control cabinet supports the dual chassis redundant architecture and whether specific cables are required for parallel connection.
Heat dissipation requirements: Although the efficiency is high, when the full load output is 34A, the heat generated by the two chassis will increase. It is necessary to ensure that there is enough heat dissipation space in the cabinet (leave at least 50mm gap above and below).
Model verification: PHARPSPEP21023 may be a kit model, usually including two empty chassis and necessary connection accessories. When placing an order or selecting a model, please confirm whether the power module (such as PHARPS03000000) and the backplane bus are included.
Power module PHARPS03000000
Power supply chassis PHAPRSCH100000
Dual chassis PHARPSPEP21023
Cable from IO module to terminal unit NKTU01-15
Cable from analog module to terminal unit NKAS01-15
Network interface cable NKLS01-15
Synchronization cable NKST11-15
Cable for digital input module NKSD01-15
Module installation unit IEMMU21
Signal circuit board NTDI01
Analog input terminal unit NTAI06
Loop terminal unit NTCL01
Synchronization terminal model: NTST01
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