IMDS014 (Digital Slave Output Module) is the core component of ABB's industrial automation control system, mainly belonging to the Symphony series and Infi 90 distributed control system (DCS). Its core function is to convert the digital control signals sent by the DCS main module or control unit into physical signals that can drive on-site actuators, achieving precise control of equipment such as relays, contactors, solenoid valves, etc. At the same time, it has signal isolation and status feedback capabilities, and is a key bridge connecting the control system with the industrial site.
Additional Information
Medium Description:DIGITAL SLAVE OUTPUT
Product Type:UI-90
Ordering
Customs Tariff Number:8538908180
Dimensions
Product Net Weight:0 kg
Product Overview
IMDS014 (Digital Slave Output Module) is the core component of ABB's industrial automation control system, mainly belonging to the Symphony series and Infi 90 distributed control system (DCS). Its core function is to convert the digital control signals sent by the DCS main module or control unit into physical signals that can drive on-site actuators, achieving precise control of equipment such as relays, contactors, solenoid valves, etc. At the same time, it has signal isolation and status feedback capabilities, and is a key bridge connecting the control system with the industrial site.
This module adopts modular design, supports live plugging and DIN rail installation, has a compact structure and is easy to integrate. It can adapt to the decentralized control requirements in complex industrial environments and widely serves the construction of automation systems in fields such as power, chemical, and manufacturing.
Specification parameters
Basic Information
Model: IMDS014 (partially labeled as IMDSO14) Series: Symphony/Infi 90 Type: Digital Slave Output Module
Terminal board compatible model: TDI01
Power supply and load
Logic power supply:+5VDC (± 5%), typical current 275mA, maximum 370mA Load voltage: 24VDC/48VDC Load current: single channel maximum 2A AC/DC
Some models support 220V AC input and can be driven by a single channel 250mA@24VDC Load
Output configuration
Number of channels: 16 independent digital output channels Contact form: 1NO+1NC (SPDT, single pole double throw) Output type: relay/transistor/thyristor output
12 channels are independently isolated, and 2 pairs of channels share the positive output terminal
Communication and Interface
Communication protocol: RS232, RS485, CAN, Modbus, Ethernet Interface type: Symphony DCS proprietary interface+3 gold-plated plugs (P1/P2/P3)
P1: Logic power input; P2: submodule expansion bus; P3: On site signal output
Environmental adaptability
Working temperature: -40 ℃ to 70 ℃ (some models -25 ℃ to 55 ℃) Storage temperature: -40 ℃ to 85 ℃ Relative humidity: 95% (no condensation) Protection level: IP20 (some models IP67)
Meet the stability requirements of harsh industrial environments
Physical specifications
Size: 20 × 30 × 15mm (small)/71.12 × 358.14 × 271.78mm (standard type) Weight: 0.2kg/1.32kg Shell material: ABS plastic
Standard DIN 43880 housing, occupying 1 module installation slot
Isolation performance
Isolation voltage: 500V AC/DC (some models 2500V AC) Isolation method: optocoupler isolation
Prevent on-site interference and intrusion into the control system to ensure signal safety
Performance characteristics
High reliability and stability: Adopting high-quality components and optoelectronic isolation design, the isolation voltage can reach up to 2500V AC, which can resist electromagnetic interference in industrial sites; The working temperature range covers -40 ℃ to 70 ℃, suitable for harsh environments such as high temperature and high humidity.
Quick response capability: The response time is less than 1ms (some models<1 μ s), and it can quickly execute control instructions to meet the requirements of high-speed control scenarios such as motor start stop and valve switching.
Flexible configuration and scalability: 16 independent channels can be configured with output types (relays/transistors) through DIP switches, supporting multiple communication protocols such as RS485 and Ethernet, and seamlessly integrated into ABB Infi 90/Symphony DCS architecture.
Convenient operation and maintenance features: supports live plugging and unplugging, and the front panel is equipped with 16 status indicator LEDs, which can intuitively monitor the output status of each channel; Modular design simplifies installation and replacement processes, reducing maintenance costs.
Security protection design: equipped with bus fault timer function. If the main module clock is interrupted for 10ms, the module will automatically switch to the fault output state, and the LED alarm prompt will be displayed to prevent equipment misoperation.
Working principle
As a slave module of the DCS system, IMDS014 has a core workflow consisting of four steps: signal reception, processing, output, and feedback. The specific steps are as follows:
Signal reception: Connect to the submodule expansion bus through the P2 plug, receive digital control instructions and clock signals sent by the main module (such as MFP, MFC), and obtain+5VDC logic power through the P1 plug.
Signal processing: Internal registers and buffers decode the received signal, which is isolated by a optocoupler and drives the open collector electrode transistor or solid-state relay to operate, achieving electrical isolation and power amplification of the control signal.
On site output: The processed signal is transmitted to the terminal board (such as TDI01) through the P3 plug, converted into a 24VDC/48VDC physical signal, and drives the on-site actuators (motors, valves, etc.) to operate.
Status feedback and fault monitoring: The output status is indicated in real-time through LED and transmitted back to the main module via the bus; The bus fault timer monitors the clock signal in real-time, and triggers fault output protection if the main module fails.
Precautions
Installation specifications:
DIN rail installation must be used, with module spacing reserved at least 5mm to ensure heat dissipation; The IP20 model needs to be installed inside the control cabinet to avoid direct contact between dust and liquids.
The P1/P2 plug needs to be fully inserted into the corresponding socket of the module installation unit. Missing the 12 bit bus connector will cause communication interruption between the master and slave modules.
Wiring requirements:
The load current shall not exceed the rated value of 2A for a single channel. When multiple channels are working simultaneously, the total power shall be calculated to avoid power overload.
The P3 interface needs to distinguish between positive and negative output poles, as misconnection may burn out internal relays or transistors.
Configuration and Debugging:
The last 6 bits of the 8-bit dip switch (S1) must match the parameters of the main module FC83, and the first 2 bits must be turned to the closed position, otherwise address conflicts will cause communication failure.
Before the first power on, it is necessary to check the voltage of the logic power supply (+5VDC) and the load power supply (24VDC/48VDC). If the deviation exceeds ± 5%, starting is prohibited.
Maintain taboos:
Wear an anti-static wristband when plugging or unplugging with electricity to prevent static electricity from damaging the integrated circuit; To replace a module, first disconnect the load power supply, and then disconnect the logic power supply.
Regularly clean the heat dissipation holes, and turn on the dehumidification device when the environmental humidity is above 95% to prevent internal circuit condensation and short circuit.
Application scenarios
IMDS014 is widely used in industrial automation scenarios across multiple industries due to its high reliability and flexible control capabilities
Power industry: Boiler valve control in power plants, relay switching in substations, start stop of generator cooling systems, adapted to the decentralized control requirements of Symphony DCS.
Petrochemical and Metallurgy: Temperature control solenoid valve for refinery reaction kettle, contactor drive for metallurgical blast furnace blower, capable of withstanding harsh environments with high temperature and high dust.
Manufacturing industry: Automotive production line robot joint drive, food processing equipment conveyor belt motor control, achieving precise production rhythm management through high-speed response.
Infrastructure and Energy: Start stop of sewage treatment plant water pumps, pressure valve regulation of natural gas treatment stations, supporting Modbus protocol for remote monitoring and data acquisition.
Building and process automation: Intelligent building air conditioning system fan control, pharmaceutical workshop clean room lighting switching, simplifying system integration through multi-channel configuration.
Email:wang@kongjiangauto.com