DSDX404 ABB S400 Remote Digital I/O Expansion Module Original In Stock
DSDX404 ABB Advant Master S400 series digital input/output expansion card, original industrial spare in stock, full pre-functional test with 12-month global warranty for legacy DCS remote I/O cabinet maintenance replacement
Product Overview
- PN:DSDX404|Brand:ABB|Series:S400 Remote I/O Advant Master DCS|Type:Digital I/O Expansion Module
Definition:Expansion digital signal acquisition & output module matched for ABB classic Advant Master S400 remote I/O basic unit, expands field digital input and relay output channels for process interlock, valve switch and equipment start-stop control, transmits all switch signals back to Advant 410/450 controller via MasterFieldbus bus, original spare for aging remote I/O station overhaul and channel failure replacement
Core Features
- Integrated multi-channel 24VDC digital input + relay digital output mixed circuit, expand signal capacity of S400 basic I/O unit
- Independent optocoupler isolation for input channels, relay isolation for output circuits, effectively eliminate ground loop interference in power, petrochemical and metallurgy harsh industrial environment
- Built-in hardware self-diagnosis circuit, front panel LED indicators for module running status, channel signal and fault quick onsite inspection
- Dedicated plug-in expansion structure, directly connected to S400 base unit without extra bus conversion accessories
Cast aluminum chassis design, shock and vibration resistant, stable long-term operation for field distributed I/O layout up to 750m away from central control room
Technical Specs
- Auxiliary supply:24VDC ±10% control power supply
- Input signal:24VDC digital sinking/sourcing switch signal
- Output type:Mechanical relay contact output
- Isolation grade:500V AC galvanic isolation between field signal and internal bus circuit
- Operating temp:-20℃~+60℃|Storage:-40℃~+85℃,RH5%~95% non-condensing
- Net weight:0.52kg|Dimension:168×132×66mm
- HS Code:85389091
Certification:CE, UL certified
Compatibility
Perfectly matched with ABB S400 series basic remote I/O unit, compatible with Advant Controller 410/450, DSBB175 rack backplane, DCP02/DCP10 CPU and CI520V1 AF100 communication card; incompatible with S600/S800 I/O, 800xA DCS, AC500 PLC and ACS series inverters
Application
- Spare replacement for distributed remote I/O stations of thermal power plant, chemical factory, papermaking factory Advant Master DCS system
Field equipment interlock signal expansion, valve on-off control and safety switch signal collection renovation for continuous process production lines
Our Advantage
- Full channel input signal & relay output continuous aging testing before shipment
- 12-month global warranty for all stocked products
- DHL/Fedex worldwide door-to-door delivery
- Free technical support for S400 base unit matching, wiring and bus communication debugging











