ABB 1SVP426470R0000 DO526 digital output module
1SVP426470R0000 is DO526 digital output module belonging to ABB S500 series for Freelance DCS system. It receives digital commands from master controller and outputs switch signals to drive field on-site actuators. Brand new original and fully tested refurbished products are available for DCS cabinet assembling and old automation equipment maintenance replacement.
Description
Product Introduction
1SVP426470R0000 is DO526 digital output module belonging to ABB S500 series for Freelance DCS system. It receives digital commands from master controller and outputs switch signals to drive field on-site actuators. Brand new original and fully tested refurbished products are available for DCS cabinet assembling and old automation equipment maintenance replacement.
Model Definition
1SVP is fixed part prefix for ABB S500 DCS I/O spare coding specification. 426470 stands for base hardware code of DO526 digital output module. Suffix R0000 means factory standard hardware revision and original default firmware without customized changes. DO526 is the official commercial type designation of this output module.
Technical Specifications
This module is equipped with 32 channels of DC24V digital output. Rated working supply voltage is DC24V. Operating ambient temperature ranges from -20℃ to +60℃, storage temperature is -40℃~+85℃, relative humidity keeps 5%~95% under non-condensing environment. DIN rail mounting design, protection grade IP20, the product conforms to CE and UL industrial certification standards.
Interface and Communication Configuration
Internal backplane connector on module rear connects with rack backplane bus to exchange control data with DCS main controller. Bottom screw terminal blocks are used for field wiring of intermediate relays, indicator lamps and small solenoid loads. No independent external fieldbus or Ethernet port, all downlink control commands and uplink diagnostic data are transmitted via rack internal backplane bus.
Core Functions
Receive switch control instructions from upper DCS controller via backplane bus and drive external field loads through output channels. Real-time monitor each output channel operating state, upload short-circuit or overload fault information to master control system once abnormal condition occurs.
Application Scenarios
The module is installed inside DCS control cabinets of chemical plant, thermal power station, metallurgical processing and municipal wastewater treatment projects. It is applied for remote on-off control of field pumps, fans, valves and conveying equipment.
Operation and Maintenance Instructions
Disconnect rack DC24V power supply before module plugging or field wiring modification and wait enough time for residual voltage discharge. Perform semi-annual maintenance to clear dust on terminals and module surface with dry low-pressure compressed air and retighten loose wiring screws regularly. If single output channel fails to work normally, check external field load circuit first prior to module replacement.
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