Woodward 5439-629(5500-325) 505 Power Supply

Woodward 5439-629(5500-325) 505 Power Supply

Description 

The 505 is available with three different input power source selections. The part number of the 505 depends on the rating of the input power source it can accept. The ratings of the required input power source on each unit can be identified by the back panel sticker or control part number. The sticker will show the correct source power ratings for each unit by a punched hole next to the rating. 

The 505’s input power supply terminal blocks accept wires from 0.08–2.5 mm² (27–12 AWG) wire. Internal fuses, in series with each input power trace, are used to protect the 505’s input circuitry. All fuses are rated as slow-blow type fuses. These fuses are accessed by taking the 505’s back cover off and are located on its power supply module (bottom module). The ratings for the different sources of input power accepted by the 505 and the 505’s internal fuse sizes are listed as follows: 

• 18–32 Vdc： (6.25 A internal fuse, 77 VA maximum draw)
• 88–132 Vac @ 47–63 Hz or 90–150 Vdc： (2.5 A internal fuse, 143 VA maximum draw)
• 180–264 Vac @ 47–63 Hz ：(1.5 A internal fuse, 180 VA maximum draw) 

Each 505 requires a power source capable of a certain output voltage and current. In most cases this power rating is stated in Volt-Amps (VA). The maximum VA of a source can be calculated by taking the rated output voltage times the maximum output current at that voltage. This value should be greater than or equal to the 505 VA requirement.

505 power supply holdup times are determined by the 505 power supply and input power used. The below times are based on worse case conditions (88 Vac with a possible range of 88–132 Vac when power is lost). These holdup times should be used when the 505 is powered by an Uninterruptible Power Source (UPS) to evaluate if the UPS’s switch over time is quick enough avoid a system trip. A UPS’s switch-over time must be less than the below specified holdup times:

Power Supply Holdup Times：

• 18–32 Vdc Power Supply： 14 milliseconds
• 88–132 Vac @ 47–63 Hz or 90–150 Vdc Power Supply： 30 milliseconds
• 180–264 Vac @ 47–63 Hz Power Supply： 58 milliseconds

A 24 V power supply is available, within the 505, to power external transducers or devices. This supply has two breaker protected output channels. One power supply channel (VA1) is capable of providing 24 Vdc ±10%, @ 200 mA maximum output current, to power 505 current inputs and auxiliary devices. Power connections can be made through terminals 55, 59, 63, 70, and 74 with terminal 78 as the common.

Features

• Excellent Signal Conditioning: This device provides excellent signal conditioning. Woodward 5439-629 connects to the raw sensor signal and processes it into a clean, accurate, and useful output. It accepts a variety of input signals, which is necessary in many applications where noise and interference are present, and amplifies weak signals when needed, resulting in a clean, stable output signal that can be used for control or subsequent processes. This signal conditioning capability is critical in industrial environments where sensors are subjected to extreme conditions, as they are often affected by issues such as noise/corrupted signals.
  
• Multiple Control Modulation Capabilities: The Woodward 5439-629 has multiple control modes. These include proportional-integral-derivative (PID) control, one of the most widely used feedback control methods for minimizing the difference (error) between the target (set point) and the process output (measured variable). It can have advanced control logic such as any adaptive control and predictive control. These control modes can be combined and configured, depending on the type of task to be performed.
  
• Integrated Diagnostic and Self-Test Capabilities: The device can monitor its own internal circuit elements and functions to detect faults or abnormal operating conditions. When a problem is detected, it can also issue an alarm or error message, or even automatically try to fix certain problems. These help them self-monitor and diagnose, thereby minimizing downtime and reducing costs because they can proactively detect and prevent potential failures.
  
• Communication Interface: Woodward 5439-629 has different communication interfaces such as RS-232, RS-485 or Ethernet, it has interfaces for communicating with other industrial equipment, controllers or computer systems. This enables it to receive control commands, send status and data information through these communication channels, and integrate into larger industrial networks.

Technical Specifications