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YOKOGAWA ADV151-E10 FIO Digital Input Module

Configured for discrete signal acquisition in distributed control networks, the YOKOGAWA ADV151-E10 (ADV151 Digital Input Module) provides direct physical/electrical execution for capturing binary ON/OFF states from field devices. The module processes status variables from limit switches, pushbuttons, and interlock contacts, transferring isolated process data into CENTUM VP and CENTUM CS architecture platforms via a 32-channel configuration layout.

Hardware Specifications

Parameter Specification
Model ADV151-E10
Brand YOKOGAWA
Origin Japan
Weight 0.3 kg
Dimensions 130 x 119.9 x 32.8 mm
Operating Temp 0 to 55 deg C
Power Consumption  550 mA at 5 VDC
Input Channels 32 digital inputs
Rated Input Voltage 24 VDC (operational range: 20.4 to 26.4 VDC)
Input ON Voltage 20 to 26.4 VDC (18 to 26.4 VDC limit)
Input OFF Voltage 5.0 VDC or less
Input Current 2.5 mA per channel (4.1 mA plus/minus 20% baseline)
Max Allowable Voltage 30 VDC
Response Time Less than or equal to 3 ms typical
Isolation 2 kV AC signal-to-system for 1 minute; 500 V AC between commons per 16 channels
Functions ON/OFF status detection, edge counting
External Connection MIL connector cable (AKB337)
Environmental Protection ISA Standard G3 conformal coating

Channel-to-Channel Isolation and DCS Instrumentation Features

The input electrical subsystem employs dedicated channel-to-channel block isolation, segregating the 32 input pathways into two independent groups of 16 channels. The hardware configuration utilizes explicit galvanic isolation barriers rated at 2 kV AC, preventing field-side voltage spikes and ground loops from damaging the internal system backplane components. Field signals undergo conditioning inside the module to match the 24 VDC source/sink thresholds, while integrated hardware filtering eliminates electrical contact bounce. The E10 designation specifies an integrated ISA Standard G3 conformal coating layer, which prevents atmospheric moisture and corrosive gaseous agents from establishing low-resistance conductive paths across the internal trace matrices.

Frequently Asked Questions

Q: What operational distinction exists between the E10 suffix variant and the standard E00 hardware variant?

A: The E10 variant features factory-applied ISA Standard G3 conformal coating across the internal printed circuit board assembly. The E00 variant lacks this protective layer, meaning the E10 module provides higher technical tolerance against airborne contaminants, corrosive gases, and humidity within process control environments.

Q: How does the internal common return topology affect the external power distribution connections?

A: The 32 digital inputs are divided into two distinct isolated blocks. Every 16-channel block shares its own dedicated common line terminal via the MIL connector interface, which allows field engineers to deploy separate external 24 VDC power sources for different plant loops.

Q: What are the primary constraints regarding backplane power draw during active operation?

A: The module draws approximately 550 mA from the internal 5 VDC FIO node backplane bus. System engineers must calculate the cumulative current consumption of all modules installed within a single node rack to verify that the aggregate load remains below the node power supply unit limit.

Field Installation Guidelines

  • Interface Connection: Execute external field connections exclusively via the compatible AKB337 MIL connector cable assembly. Align the guide keyways precisely before pushing the connector onto the module faceplate to avoid bent pin faults.
  • Shield Grounding: Terminate the outer shields of all instrument multi-conductor cables at the single-point cabinet functional ground rail. Ensure that field shields remain ungrounded at the instrument junction box side to avoid creating circulating ground loop paths.
  • Cabinet Environment: Maintain the internal enclosure operating temperature within the specified 0 to 55 deg C bounds. Ensure proper vertical air convection clearance around the FIO node rack frame to prevent thermal stagnation.
  • Slot Alignment: Slide the chassis module directly along the node card guides until the top and bottom physical extraction levers snap into their locked orientation, ensuring proper backplane connector seating.

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