Description

The ABB DSDP170 57160001-ADF is a dual-channel high-performance serial communication module designed for ABB’s AC 800M and Symphony Plus distributed control systems(DCS).It provides two independent,galvanically isolated serial ports(RS-485/RS-422)to enable robust,real-time data exchange between the controller and field devices such as protection relays,turbine governors,RTUs,meters,and legacy automation equipment.Supporting industry-standard protocols like MODBUS RTU,SPA-Bus,and IEC 60870-5-103,the ABB DSDP170 57160001-ADF serves as a critical integration bridge in power generation,transmission,and industrial process applications—ensuring interoperability without compromising system reliability or cybersecurity.

Application Scenarios

At a hydroelectric power station in Scandinavia,aging turbine governors communicated only via proprietary serial protocol over RS-485,while the new ABB AC 800M DCS required standardized data ingestion.Installing the ABB DSDP170 57160001-ADF solved the challenge:one port connected to the governor using custom SPA-Bus mapping,the other linked to a substation RTU via MODBUS RTU.Within weeks,operators gained unified HMI visibility into guide vane position,speed deviation,and trip status—all synchronized to the plant-wide time base.During a grid disturbance,the DCS used real-time data from the DSDP170 to initiate a controlled load rejection,avoiding a cascading blackout.The module’s 2500 V isolation also prevented ground-loop noise from corrupting signals across 300-meter cable runs.This deployment turned decades-old hardware into a smart,integrated asset—thanks to the ABB DSDP170 57160001-ADF.

Parameter

Main Parameters Value/Description

Product Model ABB DSDP170 57160001-ADF

Manufacturer ABB Automation Products

Product Category Dual-Channel Serial Communication Module for AC 800M/Symphony Plus

Communication Ports 2×isolated serial channels(software-selectable RS-485 or RS-422)

Baud Rate 300 bps to 115.2 kbps(configurable per channel)

Supported Protocols MODBUS RTU,SPA-Bus,IEC 60870-5-103,CS-31,user-defined ASCII/binary

Electrical Isolation 2500 Vrms channel-to-backplane;1500 Vrms between channels

Connector Type Screw-terminal block(field side);backplane connector(controller side)

Compatibility AC 800M controllers(e.g.,PM86x),Symphony Plus M-series,CI854A chassis

Diagnostic Features Per-port LED indicators(TX/RX,fault),open-circuit detection,CRC error logging

Operating Temperature 0°C to+60°C

Certifications CE,UL,CSA,IEC 61010-1,EN 61326

Redundancy Support Yes—supports redundant controller configurations

Configuration Tool ABB Control Builder M/PCM600

Technical Principles and Innovative Values

Innovation Point 1:Protocol Agnosticism with Runtime Switching

The ABB DSDP170 57160001-ADF can run different protocols on each port simultaneously—e.g.,MODBUS RTU to a meter on Port 1 and SPA-Bus to a relay on Port 2—with no firmware reload required.

Innovation Point 2:Hardware-Accelerated Error Recovery

Built-in FIFO buffers and automatic retransmission logic ensure data integrity even during transient electrical noise—critical in switchyards with high EMI from circuit breaker operations.

Innovation Point 3:Deep Integration with ABB Control Builder M

Engineers drag-and-drop the DSDP170 into their hardware tree,then map data points directly to controller variables—eliminating manual register tables or script-based parsers.

Innovation Point 4:Cyber-Resilient Legacy Bridging

By encapsulating insecure serial protocols within the secure ABB DCS network,the DSDP170 enables safe integration of older devices without exposing them directly to IT networks.

Application Cases and Industry Value

In a Middle Eastern combined-cycle plant,12 generator protection relays(legacy ABB REL5xx series)needed integration into the new Symphony Plus DCS for NERC compliance reporting.Using ABB DSDP170 57160001-ADF modules,engineers established SPA-Bus links to all relays,streaming trip flags,fault currents,and event logs into the historian.During commissioning,the system detected a misconfigured zone-2 distance setting that would have caused a false trip during external faults.Corrected before commercial operation,this avoided an estimated$8M in potential outage costs.Today,the plant uses DSDP170-sourced data for automated post-event analysis—reducing investigation time from days to minutes.The ABB DSDP170 57160001-ADF thus delivers not just connectivity—but regulatory confidence and operational resilience.

Related Product Combination Solutions

ABB AC 800M PM864:Primary controller—hosts DSDP170 modules via CI854A or built-in slots.

ABB CI854A:Communication interface module rack—provides backplane for DSDP170 in distributed I/O setups.

ABB SPA-ZC 22:Ethernet-to-serial gateway—alternative for remote sites,but DSDP170 offers lower latency and native DCS integration.

GE IS210WSVOH1AE:Turbine servo module—often co-deployed with DSDP170 for full turbine control&monitoring.

Siemens S7-400 CP441-2:Competing serial module—but lacks native SPA-Bus and ABB ecosystem synergy.

SEL-3505:RTAC—can complement DSDP170 in hybrid substations requiring protocol translation.

BENTLY 3500/92:Machinery monitor—frequently connected via MODBUS RTU through DSDP170 to ABB DCS.

ABB REF615:Modern protection relay—uses Ethernet,but DSDP170 remains essential for legacy fleet integration.

Installation,Maintenance,and Full-Cycle Support

The ABB DSDP170 57160001-ADF installs directly into an AC 800M or Symphony Plus I/O chassis(e.g.,with CI854A carrier).Field wiring connects via removable terminal blocks using shielded twisted-pair cable(recommended max length:1200 m at 9600 bps).Configuration is performed in Control Builder M:assign COM port settings,select protocol,and map data tags to controller variables.

Maintenance is simplified by front-panel LEDs indicating transmit/receive activity and fault conditions.The module supports hot replacement in redundant systems.Our company stocks fully tested ABB DSDP170 57160001-ADF units,each validated for baud rate accuracy,protocol handshake,isolation integrity,and noise immunity on live ABB test benches.We provide 12-month warranty,wiring diagrams,sample MODBUS maps,and remote support for protocol configuration.

Contact us for a customized solution—whether you’re integrating legacy assets,expanding a power plant DCS,or securing spares for your ABB automation infrastructure,the ABB DSDP170 57160001-ADF ensures seamless,secure,and future-ready serial communication.

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