WESTINGHOUSE 1C31147G01 Pulse Accumulator Module

The 1C31147G01 module is one of two electronic modules in the pulse accumulator module.

1C31147G01 provides for pulse accumulation at one of three possible pulse input levels:

— 24/48 V (CT+ and CT- inputs). May be referenced to either negative or

positive field signal power supply common. Applicable for CE Mark.

— 12 V medium speed (MC+ and HM- inputs). Not applicable for CE Mark.

— 5 V medium speed (HC+ and HM-). Not applicable for CE Mark.

Number of Channels

2

Field Input Voltage Range

Field Count: +5V (High Speed), +5/12V (Medium Speed), +24/48VField Controls: +24/48V

24/48 V Field Input Power

Common Positive (1C31150G02)Common Negative (1C31150G01)Dedicated (User-Defined) Contact Power (1C31150G03)

Configurable Functions

Count PulsesMeasure Pulse WidthMeasure PeriodMeasure Speed

Counter Output

15-bit Count (Bits 14–0)Bit 15 (MSB) serves as an Update Bit indicating new data availability

Counter Overflow Status

Supported

Field Inputs

External Count Input (Leading or Trailing Edge) OR Selectable Internal Timebase: 100 kHz, 10 kHz, 1 kHz

Input Filter

+5V High-Speed Count: 1 µs to 5 µs+5/12V Medium-Speed Count: 16 µs to 38 µs+24/48V Count: 150 µs to 450 µs+24/48V Controls: 150 µs to 450 µs

Contact Debounce (24/48 V Field Inputs)

ConfigurableMinimum: 1.4 msMaximum: 2.0 ms

Dielectric Isolation (Channel to Channel)

1000 V AC/DC

Dielectric Isolation (Channel to Logic)

1000 V AC/DC

Operating Temperature Range

0°C to 60°C (32°F to 140°F)

Storage Temperature Range

-40°C to 85°C (-40°F to 185°F)

Humidity (Non-Condensing)

0% to 95% RH

Q1: How does the 1C31147G01 Pulse Accumulator optimize high-speed pulse acquisition and event tracking in industrial automation systems?

A: The 1C31147G01 is engineered to accurately accumulate and process high-frequency pulse signals, enabling precise event counting, speed monitoring, and process measurement in demanding control environments.

Q2: Why is the 1C31147G01 particularly advantageous for applications requiring configurable pulse measurement and timing analysis?

A: The 1C31147G01 supports multiple configurable functions, including pulse counting, pulse-width measurement, period determination, and rotational speed calculation, making it highly adaptable to diverse industrial monitoring requirements.

Q3: What distinguishes the 1C31147G01 in terms of signal integrity and electrical isolation performance?

A: The 1C31147G01 incorporates 1000 V AC/DC dielectric isolation between channels and between field inputs and logic circuitry, helping to minimize electrical interference while enhancing system reliability and operational safety.

Q4: How can the 1C31147G01 accommodate different field-device architectures and voltage requirements?

A: The 1C31147G01 supports a broad range of input voltages, including +5V, +5/12V, and +24/48V configurations. It also offers common positive, common negative, and dedicated user-defined power arrangements, providing exceptional installation flexibility.

Q5: What advanced diagnostic and measurement capabilities make the 1C31147G01 suitable for critical process-control applications?

A: The 1C31147G01 features a 15-bit counter output with an update-status indicator, overflow detection, selectable internal timebases, and configurable input filtering. These capabilities enable accurate data acquisition and dependable performance in high-precision automation systems.

PR6423/004-010

MMS6823

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