SPDSO14 ABB Digital Output Slave Module new dcs parts

• Brand
  ABB
• Model
  SPDSO14
• Product Name
  Digital Output Slave Module
• Dimensions
  35.56 mm (width) × 177.80 mm (height) × 298.45 mm (depth)
• Weight
  0.20 kg
• Place of Origin
  Sweden
• HS Code
  8537101190
• Operating Temperature
  0 °C to +70 °C
• Storage Temperature
  -40 °C to +85 °C
• Power Supply
  5 VDC ±5%
• Warranty
  12 month
• Status
  new and original

ABB SPDSO14 Input & Output

General Description: SPDSO14 is a 16-channel open-collector digital output module for ABB Symphony Plus / Harmony DCS rack system, used for driving field solenoid valves, interposing relays and indicator lamps.

Input

Backplane logic power input: 5 V DC ±5% from Harmony rack back-plane; typical operating current 275 mA;

No field external analog or digital signal input; receives digital control commands via rack back-plane bus from system controller;

Field side requires external auxiliary power supply for open-collector output circuit (24 V DC or 48 V DC user-supplied).

Output

16 galvanically-isolated open-collector digital output channels; opto-coupler isolation between field side and control logic side;

Output load voltage options: 24 V DC / 48 V DC (external user power);

Per-channel maximum output current: 250 mA @24 V DC; 125 mA @48 V DC;

Front-panel per-channel LED status indicators for output on/off diagnostic;

Back-plane bus output: feedback of channel status and module diagnostic information to DCS controller;

No built-in field-side power supply; external load power must be provided by customer.

Voltage & Current Key Parameters

Logic supply (backplane): 5 V DC ±5%, typical 275 mA;

External field load voltage range: 10-48 V DC;

Max channel current @24VDC: 250 mA per channel;

Max channel current @48VDC: 125 mA per channel;

Isolation rating: 1500 V DC between field circuit and control logic circuit;

Operating temperature: 0 °C ~ +70 °C.

ABB SPDSO14 Features

The SPDSO14 is a high-density 16-channel open-collector solid-state digital output module designed for ABB Symphony Plus and Harmony DCS rack systems. It adopts optocoupler-based galvanic isolation with a 1500 V DC isolation rating, providing reliable electrical separation between field circuits and internal control logic to effectively prevent surge damage and electromagnetic interference to the system backplane. The module supports a wide field load voltage range of 10 V DC to 48 V DC, fully compatible with standard 24 V DC and 48 V DC industrial field devices. Each output channel delivers a maximum load current of 250 mA at 24 V DC and 125 mA at 48 V DC. Since no internal field power supply is integrated, external customer-supplied auxiliary DC power is required for output loop operation.

The module supports jumper-free hardware setup with all functional parameters configured entirely through DCS system software. Every channel is equipped with an individual front-panel LED indicator to visually display real-time output status, enabling convenient on-site commissioning and rapid fault diagnosis. All channel operating states and module diagnostic data are uploaded continuously to the DCS controller via the rack backplane bus. The module draws 5 V DC ±5% logic power from the system backplane with a typical operating current of 275 mA. It supports hot-swap replacement during normal system operation without interrupting running processes.

Featuring a compact single-slot rack-mounted design, the SPDSO14 optimizes cabinet space and allows high-density I/O layout. It matches the NTDO02 termination unit and is widely applied to drive field solenoid valves, intermediate relays and status indicator lamps. With an operating temperature range of 0 °C to +70 °C, it adapts to standard industrial cabinet environments. The module maintains full compatibility with legacy Bailey INFI 90 and Symphony Harmony systems, making it ideal for system renovation, upgrade and spare part replacement scenarios.

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