Product Details

The Schneider 140CRP93100C conformal coated S908 RIO head-end adapter module belongs to Modicon Quantum PLC automation platform, acting as the main rack master adapter for S908 RIO remote I/O network. The PCB circuit board is coated with Humiseal 1A33 conformal coating, which can effectively protect internal electronic components against moisture, dust and corrosive gas, ensuring stable continuous operation in chemical plants, offshore platforms and other severe industrial sites. It connects the Quantum CPU to remote RIO drop stations via single 75 Ohm coaxial cable, realizing high-speed cyclic data communication between main rack and distributed remote I/O racks. The communication rate reaches 1.544 Mbit/s, supporting up to 31 remote drop stations on one RIO bus. It can transmit output commands from CPU to remote I/O modules and feed back field input signals and fault diagnosis information of remote stations to the main processor. Multiple LED status indicators show module running state, bus communication status and fault alarms, helping maintenance personnel quickly locate communication and hardware failures. This module can be directly inserted into Quantum backplane rack and supports hot swap for convenient replacement during system maintenance without full system shutdown. It is compatible with legacy Modicon 200, 800 series I/O modules, which is convenient for old industrial system renovation. This original Schneider product was discontinued on Jan 23,2021 and end-of-service on Dec 31,2027, widely stocked as spare replacement parts for maintenance and upgrade of legacy S908 RIO distributed control systems under harsh environments. It is widely deployed in power, petrochemical, water treatment and manufacturing plants as S908 RIO master communication interface for Modicon Quantum automation racks.

Brand: Schneider Electric

Model: 140CRP93100C

Series: Modicon Quantum

Type: Conformal Coated S908 RIO Head-end Adapter Module

Communication: S908 RIO bus

Cable: 75 Ohm coaxial cable

Baud rate: 1.544 Mbit/s

Max drops: 31 remote stations

Feature: Humiseal 1A33 conformal coating, S908 RIO master head, single coaxial port, built-in fault diagnosis, hot plug support, compatible with legacy Modicon I/O

Mounting: Install on Modicon Quantum rack backplane

Operating Temperature: 0℃ ~ 60℃

Weight: 0.85kg

Status: Discontinued original spare part,end-of-service 2027

Certification: CE,FM Class 1 Division 2,cUL,ATEX

Application: S908 RIO remote distributed I/O master head adapter for Modicon Quantum PLC racks in harsh industrial sites