Bently Nevada 125720-01 Spare 4-Channel Relay I/O Module

Overview

The Bently Nevada 125720-01 Spare 4-Channel Relay I/O Module provides four relay outputs for the 3500 monitoring system. You can install this full-height module in any slot to the right of the Rack Interface Module. It offers flexible configuration, allowing you to independently program each relay for custom voting logic and alarm conditions.

Key Specifications

Inputs

• Power Consumption: 6 watts (typical).

Outputs

• OK LED: This LED indicates proper module functionality.
• TX/RX LED: This LED flashes to show communication status, confirming data exchange between the module and other rack components.
• CH ALARM LED: This LED lights up when a relay channel enters an alarm state.

Relays

• Relay Type:
  • The module includes two single-pole, double-throw (SPDT) relays configured in a double-pole, double-throw (DPDT) arrangement.
• Relay Operation:
  • Users can select whether each channel operates as Normally De-energized or Normally Energized.
• Contact Life: The relays last for up to 100,000 cycles at 5A, 24Vdc or 120Vac.
• Arc Suppressor: A 250 Vrms arc suppressor is included as standard.

Alarm Drive Logic

• The module includes Alarm Drive Logic, which you can program using AND and OR logic functions.
• It responds to alarming inputs (alerts and dangers) from any monitor channel or any combination of channels in the rack. You can configure this logic using the 3500 Rack Configuration Software.

Environmental Limits

• Operating Temperature:
  • -30°C to +65°C (-22°F to +150°F).
• Storage Temperature:
  • -40°C to +85°C (-40°F to +185°F).
• Humidity: 95%, non-condensing.

Physical Dimensions

• Dimensions (Height x Width x Depth):
  • 241 mm x 24.4 mm x 99.1 mm (9.50 in x 0.96 in x 3.90 in).
• Weight: 0.4 kg (1.0 lb).

Ordering Considerations

• You can install the 3500/32 4-Channel Relay I/O Module  in any available rack slot, next to the Rack Interface Module.
• This module allows you to configure custom voting logic for alarm conditions, giving you flexibility in system integration and monitoring.

The 3500/32 4-Channel Relay I/O Module meets the needs of applications requiring specific alarm conditions to trigger relay outputs. It offers ease of configuration within the 3500 monitoring system, ensuring a reliable and customizable solution for critical monitoring tasks.

---

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: [email protected]
• 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!