5466-316 - Analog Combo Module

SPECIFICATIONS:

Part Number: 5466-316
Manufacturer: Woodward
Product type: Analog Combo Module
Input Voltage: 24 Vdc
Maximum Operating Current: 12 V
Operating Temperature: -25°C to +70°C
Isolation Protection: 3000 VDC
Power Supply: 10 - 60 VDC
Availability: In Stock
Weight: 2 lbs
Country of Manufacture: United States (USA)

FUNCTIONAL DESCRIPTION:

5466-316 is an Analog Combo Module manufactured and designed by Woodward as part of the 5400 Series used in Turbine Control Systems. Analog HD Combo modules were first introduced in 1997 for the Steam Controls market. This module includes a combination of eight Analog Inputs, four Analog Outputs, four Speed Inputs, and two Proportional Actuator Outputs. Each High-Density Analog Combo module includes circuitry for four-speed sensor inputs, eight analog inputs, four analog outputs, and two proportional actuator driver outputs. Each speed sensor input may be a magnetic pick-up or a proximity probe, each analog input must be 4-20 mA, and each actuator driver may be configured as 4-20 mA or 20-160 mA. Modules are available in two configurations. One has 4-20 mA analog inputs and the other has 0-5 V analog inputs. In a simplex system, either Analog Combo module is linked to one Analog Combo FTM via two analog cables.

FEATURES:

• The MPU and proximity probe inputs are read, and the application program is given the speed. If desired, the application software provides a derivative output. The Analog Combo module filters the speed sensor inputs, and the filter time constant is selectable via the application software program at 8 milliseconds or 16 milliseconds.

• For most applications, eight milliseconds should suffice. For very slow-speed applications, 16 milliseconds may be required. The maximum speed that the module will detect is determined by the speed range. The software's control output will detect a minimum speed of one-fifth of the speed range. This enables the detection of failed speed sensors, which aids in the prevention of overspeed due to slow update times at very low speeds.

• Regardless of the speed range, the GAP block's monitor output will read down to 0.5 Hz. Any combination of accepted MPUs and proximity probes, as well as any combination of speed ranges, may be used in an application. Passive magnetic pickup units (MPUs) or proximity probes can be used in any of the module's four-speed channels. Each speed input channel can accept only one MPU or proximity probe.

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FREQUENTLY ASKED QUESTIONS:

Is there an option for the application software to provide a derivative output?

Yes, the application software can provide a derivative output if desired. This allows for additional processing or analysis of the speed data.

How does the Analog Combo module filter the speed sensor inputs?

The Analog Combo module applies a filter to the speed sensor inputs. The time constant of the filter can be selected through the application software program and is adjustable to either 8 milliseconds or 16 milliseconds.

Which filter time constant is recommended for most applications?

For most applications, a filter time constant of eight milliseconds should be sufficient. This provides an appropriate balance between filtering out noise and maintaining responsiveness.