140CRA93100 Schneider RIO Drop Adapter Module

140CRA93100 Schneider RIO Drop Adapter Module | New & Original Stock

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Schneider Electric 140CRA93100 Modicon Quantum RIO Drop Adapter Module The Schneider Electric 140CRA93100, also cataloged as the 140CRA93100 RIO Drop...

SKU: 140CRA93100

Manufacturer: Schneider
Product No.: 140CRA93100
Product Type: Remote I/O Modules
Product Origin: France
Payment:T/T, Western Union
Weight: 360g
Shipping port: Xiamen
Warranty: 12 months

Description Reviews

Schneider Electric 140CRA93100 Modicon Quantum RIO Drop Adapter Module

The Schneider Electric 140CRA93100, also cataloged as the 140CRA93100 RIO Drop Adaptor Module, operates as a dedicated hardware component for remote input/output signal routing within Modicon Quantum automation system networks. This single-slot module functions as the primary communication node inside a remote chassis, linking the localized I/O backplane bus directly to a central processing unit over a coaxial distribution grid. By decoding high-speed network transmission frames into parallel backplane commands, this hardware component enables synchronous scanning of remote field instruments without degrading the execution timing of the main control application.

Hardware Specifications

Parameter	Specification
Model	140CRA93100
Brand	Schneider Electric (Modicon)
Origin	France
Weight	0.36 kg (0.79 lbs) net / 0.91 kg (2.00 lbs) shipping weight
Dimensions	Standard single-slot Modicon Quantum module housing
Operating Temp	0 to 60 deg C
Power Dissipation	3 W continuous for 1 channel configuration
Bus Current Requirement	600 mA maximum from the local backplane channel
Network Interface Type	Remote I/O (RIO) single-cable drop network
Physical Connector	1 x female BNC connector terminal
Cable Specification	75 Ohm characteristic impedance coaxial cable
Transmission Data Rate	1.544 Mbit/s continuous serial rate
Dynamic Range Limit	35 dB signal attenuation capacity
Galvanic Isolation	500 V DC isolation boundary between coaxial center pin and chassis ground
Maximum Station Expansion	Supports up to 27 local I/O expansion modules per remote rack
Storage Temperature	-40 to 85 deg C
Relative Humidity	5 to 95 percent relative humidity non-condensing
Module Format Layout	Standard Modicon Quantum rack form factor footprint
Certifications	CE, UL, CSA, FM Class 1 Division 2, IEC 61131-2

Backplane Bus Communication Velocity and RIO Signal Layer

This remote drop adapter maintains deterministic update rates across extended physical distances by running a dedicated 1.544 Mbit/s serial transceiver engine. The module internal logic interfaces with standard 75 Ohm coaxial cabling networks to execute token-passing commands directed by the primary master rack. High-density I/O density scaling is preserved through localized parallel bus drivers that refresh the data status of up to 27 connected input, output, or specialized function cards simultaneously. A 35 dB dynamic range receiver front-end filters high-frequency attenuation and industrial EMI patterns, preventing electrical wave distortion from altering the scratchpad memory table structure shared across the backplane bus communication velocity channels.

Frequently Asked Questions

Q: How does the single BNC female connector interface configuration handle cable layout topology if the remote rack requires a redundant network drop line?

A: The 140CRA93100 features a single channel communication layout designed strictly for non-redundant, single-cable RIO topologies. If the system specification requires dual-cable redundancy to secure communication paths against physical line cuts, the network design must deploy the 140CRA93200 dual-cable hardware variant instead.

Q: What are the electrical consequences of substituting a standard 50 Ohm coaxial cable for the required 75 Ohm specification?

A: Deploying 50 Ohm cabling creates an immediate impedance mismatch at the female BNC interface port. This mismatch causes high-frequency signal reflections along the 1.544 Mbit/s transmission line, which degrades the 35 dB dynamic range window and leads to intermittent CRC errors or complete loss of remote drop synchronization.

Q: Given that the Quantum line is discontinued, what is the official migration path to update this remote adapter?

A: Schneider Electric recommends migrating legacy RIO coaxial drop systems to Ethernet-based Modicon X80 I/O architectures. The functional modernization is accomplished by deploying an M580 ePAC system coupled with an Ethernet Drop Adapter (such as the BMxCRA series modules) to run deterministic communications over standard copper or fiber networks.

Field Installation Guidelines

Chassis Alignment Constraints: Isolate all primary input power from the sub-panel before inserting the drop adapter into the leftmost slot of the remote Quantum rack to avoid damaging parallel contact traces.
Coaxial Connector Engagement: Connect the male BNC cable plug onto the female connector, pushing and twisting the collar clockwise until the mechanical bayonet pins pin lock completely into position.
Trunk Line Shield Grounding: Ground the 75 Ohm coaxial cable outer shield braid at the primary splitter or tap block box using low-impedance copper saddle clamps connected to the panel ground rail.
Cabinet Ventilation Spacing: Maintain a minimum clear boundary of 80 mm above and below the horizontal chassis extrusion profile to enable natural air convection, ensuring operating boundaries stay below 60 deg C.

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