MODICON AS-S908-120 Remote I/O Processor Module

Technical SpecificationsModel:AS-S908-120 Brand:MODICON Product Type:984 Series Dual Cable Remote I/O Processor Module Backplane Power:5V DC supplied by rack backplane Communication:Dual coaxial cable RIO bus Mounting:Backplane rack slot mount Operating temperature:0℃ ~ +45℃ Storage temperature:-20℃ ~ +70℃ Relative humidity:5%~95%, non-condensing Weight:1.1kg Dimension:229mm76mm279mm Protection:IP20

System compatibilityAS-S908-120 belongs to MODICON 984 series S908 remote I/O processor. Compatible with MODICON 984 series CPU,main rack backplane and remote RIO I/O racks. It can work with 800 series digital input,digital output and analog I/O modules. Suitable for chemical,water treatment,metallurgy,old production line distributed PLC control system renovation and replacement as industrial spare part.

FunctionAS-S908-120 is dual-cable remote I/O processor unit. It acts as communication gateway between main CPU rack and remote I/O stations,realizes bidirectional transmission of control commands and field collected signals. Dual cable design supports communication redundancy,monitors network link status and reports communication fault. Widely used for distributed long-distance I/O expansion of PLC system,serving as reliable RIO communication spare part.

InstallationCut off rack power before installation. Insert the AS-S908-120 module into MODICON backplane slot and lock the card. Connect dual coaxial RIO bus cables to module ports. Set remote station address,terminate bus terminal resistor,complete network communication test before formal operation.

InterfaceBackplane bus connector,dual coaxial RIO cable ports,communication and status LED indicators for AS-S908-120 MODICON remote I/O processor module.

FeatureMODICON AS-S908-120 rack type S908 remote I/O processor,dual cable redundant communication design,standard single slot rack installation,real-time network fault monitoring,stable long-distance signal transmission,IP20 cabinet protection. This discontinued legacy industrial spare part used for old MODICON 984 distributed automation system maintenance and replacement.

DiagnosticModule not recognized: check rack power supply,backplane contact and module insertion for AS-S908-120. Remote station communication loss: inspect coaxial cable,shielding grounding and station address setting. Intermittent data error: check cable aging,terminal resistor and connector loose fault. Communication LED off: verify module hardware failure and backplane power supply. Network fault alarm: read network diagnostic information through Modsoft programming software.

Product BriefAS-S908-120 is MODICON 984 series S908 dual cable remote I/O processor module. It adopts dual coaxial cable for RIO network,builds distributed remote I/O solution for MODICON 984 PLC,classic spare part for legacy process automation equipment overhaul.

Disclaimer:All parameters are for reference only and shall not be used as the basis for quotation. Goods are scarce, overseas delivery lead time is 3-7 working days. It is only used for equipment maintenance and renovation.