126648-01 | Bently Nevada | Keyphasor I/O Module (External Terminations)

The 126648-01 Keyphasor I/O Module with external terminations processes transducer signals for precise phase reference and speed measurements in machinery monitoring.

Specifications

Inputs

Power Consumption: 3.2 Watts (typical).
Signal Range:
- Non-Isolated I/O Modules: +0.8 V to -21.0 V.
- Isolated I/O Modules: +5V to -11V.
Input Impedance: 21.8 kΩ minimum.
Signal Conditioning:
- Speed/Frequency Signal Ranges:
  - Input: 1 to 1,200,000 cpm (0.017 to 20 kHz).
  - Output: 1 to 99,999 cpm (0.017 to 1667 Hz).
- Signal Accuracy (at +25°C / +77°F):
  - Non-processed:
    - 0.017 to 100 Hz … ±1 cpm
    - 101 to 500 Hz … ±8 cpm
    - 501 to 20 kHz … ±1% of cpm
  - Processed:
    - 0.017 to 60 Hz … ±1 cpm
    - 61 to 150 Hz … ±8 cpm
    - 151 to 20 kHz … ±1% of cpm

Transducer Conditioning

Auto Threshold: Minimum signal amplitude of 2 volts peak-to-peak; minimum frequency 120 rpm (2 Hz).
Manual Threshold: User-selectable from 0 to -20 volts DC, minimum signal amplitude of 500 millivolts peak-to-peak.
Hysteresis: User-selectable from 0.2 to 2.5 Volts.

Outputs

Buffered Keyphasor Signals:
- Two buffered outputs via coaxial connectors on the front.
- Two buffered outputs via Euro Style connectors on the back.
Output Impedance: 504 Ω maximum.
Transducer Power Supply: -24 Vdc, 40 mA maximum per channel.
Front Panel LEDs: Indicates faults with the Keyphasor Module.

Environmental Limits

Operating Temperature: 0°C to +65°C (32°F to +150°F) when used with Keyphasor Internal Barrier I/O Module.
Storage Temperature: -40°C to +85°C (-40°F to +185°F).
Humidity: 95%, non-condensing.

Physical Dimensions

Size (H x W x D): 241.3 mm x 24.4 mm x 103.1 mm (9.50 in x 0.96 in x 4.06 in).
Weight: 0.46 kg (1.01 lb).

About Us

Meloauto – Your Trusted Supplier for Original, Brand-New PLC and DCS Parts Meloauto offer a vast selection of products from globally recognized brands, including Allen Bradley, Bently Nevada, Honeywell, ABB, GE Fanuc, Siemens, Invensys Triconex, ICS Triplex, Foxboro, Yokogawa, Schneider, and Hima, among others. With tens of thousands of new parts ready to ship, Meloauto has successfully served customers across over 50 countries worldwide. We focus on supplying discontinued and hard-to-find items, ensuring each product is in brand-new, original condition.

Contact Us

Phone: +86-15915488782
Email: uma@meloauto.com
WhatsApp: +8615915488782
Business Hours: 24/7 service
Address: Unit 601, Powerlong International Center, No. 1599 Luling Road, Siming District, Xiamen City, Fujian, China

Let us help you find the automation parts you need with reliable quality and dedicated support!