Description

The ABB DSRF197K01​is a 16-channel relay output module belonging to the versatile S800 I/O family,designed for integration with ABB’s AC 800M and other controllers.It serves as a robust interface,converting control system logic signals into physical relay contact closures to drive a wide array of field devices such as contactors,solenoid valves,and indicator lamps in industrial automation applications.

Application Scenarios

In a large water treatment plant,the control system must reliably command dozens of motorized valves and pump starters spread across the facility.A failure in the output module controlling these devices can halt the entire process.Here,the ABB DSRF197K01​module is installed in a distributed S800 I/O station.Each of its 16 independent relays receives a command from the central AC 800M PLC.When the logic dictates,a specific relay closes its contacts,energizing the coil of a motor starter located hundreds of meters away,initiating a filter backwash sequence.The module’s key value lies in its combination of high channel density and robust relay contacts,which allow a single compact unit to control numerous high-power AC or DC loads directly,eliminating the need for additional interposing relays.This simplifies cabinet design,reduces wiring complexity,and provides a clear visual and electrical indication of the output status,making troubleshooting straightforward for maintenance teams.

Parameter

Main Parameters

Value/Description

Product Model​

DSRF197K01​

Manufacturer​

ABB

Product Category​

Digital Relay Output Module

Series/System​

S800 I/O,compatible with AC 800M,System 800xA

Number of Channels​

16 independent relay outputs

Contact Configuration​

1 change-over contact(SPDT)per channel(NO/NC/COM).[Provides maximum wiring flexibility]

Contact Rating​

Typically 2A 250V AC or 30V DC per channel.[Can directly drive contactors,solenoids]

Isolation​

Channel-to-channel and channel-to-system bus isolation(e.g.,1500V AC).[Prevents fault propagation]

Status Indication​

LED per channel(Green=logic 1/relay energized).[Enables quick visual diagnostics]

Connection​

Removable front terminal block for easy wiring.

Communication/Backplane​

Connects via S800 I/O bus to a communication interface module(e.g.,CI854).

Power Supply​

Powered via the S800 I/O bus(24V DC field side typically supplied externally to contacts).

Housing/Module Type​

Single-width S800 I/O module.

Technical Principles and Innovative Values

Innovation Point 1:Flexible,High-Capacity Relay Design:Each channel of the DSRF197K01​features a Form-C(SPDT)relay contact.This is superior to simple transistor outputs,as it provides a physical,isolated dry contact that can switch AC or DC loads without concern for polarity.The 2A rating allows it to directly drive most industrial loads,eliminating the cost,space,and extra failure point of external interposing relays in many applications.

Innovation Point 2:High Density with True Isolation:Packing 16 fully isolated relay channels into a single S800 module width represents a significant space and cost saving.The robust electrical isolation between channels and to the system backplane ensures that a fault on one output(e.g.,a shorted solenoid coil)or in the field wiring cannot damage the controller or affect adjacent channels,dramatically increasing system robustness and uptime.

Innovation Point 3:Seamless Integration and Diagnostics:The module is not a standalone device but an intelligent part of the S800 I/O ecosystem.It is fully configured and diagnosed within ABB’s Control Builder engineering tool.The per-channel LED provides immediate local status,while detailed module health and diagnostic data(like overload warnings)are available in the software,enabling predictive maintenance and rapid fault location.

Application Cases and Industry Value

Case Study:Automated Warehouse Conveyor System

A logistics company automated a large distribution center with a complex network of conveyors,sorters,and diverter arms.The system required hundreds of digital outputs to control motor starters,pneumatic diverters,and warning beacons.Initial designs using discrete relays and transistor cards led to large,expensive control panels and difficult troubleshooting.

Solution&Implementation:

The integrator standardized on distributed S800 I/O panels along the conveyor lines.Each panel contained several ABB DSRF197K01​modules to handle the local motor and actuator control.The relay outputs from the DSRF197K01​were wired directly to the coil terminals of motor contactors and solenoid valve banks.

Results and Value Delivered:

Reduced Hardware Cost and Space:​The high channel density of the DSRF197K01​(16 points per module)reduced the number of modules,power supplies,and terminal blocks required by over 30%compared to the initial design,shrinking panel sizes and cost.

Enhanced Reliability and Simplified Maintenance:​The relay contacts proved highly reliable for the inductive loads.When a fault occurred,maintenance technicians could quickly identify the affected channel via the LED,then use a multimeter to check the physical contact at the terminal block,separating control system issues from field device faults in minutes.

Improved System Scalability:​Adding a new conveyor section simply required adding another S800 station with a DSRF197K01​module,and extending the program—a modular and repeatable process.

Related Product Combination Solutions

S800 I/O Communication Interface(e.g.,CI854,CI855):​These modules are mandatory to connect the DSRF197K01​and other S800 I/O modules to the controller network(e.g.,via Profibus DP,PROFINET).They act as the gateway between the field modules and the control system.

S800 I/O Power Supply Module(e.g.,PS801):​Provides stable 24V DC power to the S800 I/O station’s backplane,which powers the electronics of the DSRF197K01​module.

S800 I/O Digital Input Modules(e.g.,DSDO series):​These input modules,used alongside the DSRF197K01,provide feedback from field devices(e.g.,limit switches,sensor status)to complete the control loop.

S800 I/O Base Units(e.g.,TB801,TB811):​The physical mounting rail and terminal base units onto which the DSRF197K01​module is snapped.They provide the screw terminals for field wiring.

ABB AC 800M Controller(e.g.,PM803,PM851):​The high-level controller(PLC)that executes the user program and sends the output commands to the DSRF197K01​module via the I/O network.

ABB SD821 Diagnostic Module:​Can be installed in the same S800 station to provide enhanced diagnostic coverage for the station,including monitoring the health of the communication link to modules like the DSRF197K01.

ABB Fuseless Protection Module(e.g.,PFEA101):​Provides electronic short-circuit protection for individual output channels of modules like the DSRF197K01,preventing damage from field wiring faults and allowing easy reset without fuse replacement.

Installation,Maintenance,and Full-Cycle Support

Installation is straightforward:the DSRF197K01​module snaps onto its designated S800 base unit(TBxx)which is pre-mounted on a DIN rail.Field wiring is connected to the removable terminal blocks on the base unit.Configuration is performed entirely in software via ABB’s Control Builder;the module is selected from the hardware catalog and added to the corresponding S800 station.No physical jumpers or switches need to be set on the module itself,minimizing installation errors.

Maintenance is primarily reactive,driven by the module’s diagnostic capabilities.The LED indicators allow for instant visual checks.For a suspected faulty channel,the output can be forced via the engineering system for testing.The module is designed for easy replacement:after isolating power,the faulty unit can be unclipped from the base unit,and a new one inserted.The configuration is stored in the controller/engineering station,so the new module is operational immediately upon download.For inductive loads(motors,solenoids),using suppressor modules(RC networks or diodes)across the load is highly recommended to prolong relay contact life.

We provide comprehensive support for the ABB DSRF197K01​throughout its lifecycle.Our services include compatibility verification for your specific control system,supply of guaranteed genuine or professionally refurbished modules,and technical assistance for configuration and troubleshooting.We thoroughly test all supplied modules,verifying each relay channel’s operation,isolation,and LED function to ensure they meet original performance specifications before shipment.Let us help you secure reliable spare parts or components for your system expansion.