ABB DSDP140B 57160001-ACX Pulse counter board | DSDP 140B

ABB DSDP140B (Order No.: 57160001-ACX, Replacement No.: EXC57160001-ACX) is a pulse counter board of the S100 I/O series specially designed for industrial process control systems. Its core function is to achieve high-precision pulse signal acquisition, counting and positioning feedback. As a key I/O module of the control system, it is widely compatible with multiple generations of ABB process control systems, providing reliable counting support for industrial scenarios such as equipment positioning, flow statistics and rotating speed monitoring. Adopting an industrial-grade design, this module features high-speed counting, multi-mode counting and optically isolated input, enabling stable operation in harsh industrial environments. It serves as the core component for precise pulse signal processing in ABB control systems.

Basic Information

• Model: DSDP140B
• Order No.: 57160001-ACX
• Replacement No.: EXC57160001-ACX
• Product Type: Counter Board, I/O Module, Control System Accessory
• Series: ABB S100 I/O Module Series
• Country of Origin: Sweden
• Dimensions: 350 × 255 × 20 mm
• Net Weight: 0.45 kg (without packaging)

Technical Specifications

1. Signal and Counting Performance

• Pulse Input Channel: 1 pulse input (positioning loop), supports ±15 mA signal
• Digital I/O: 2×DI (Digital Input), 4×DO (Digital Output), 24 V DC level
• Analog Output (AO): 1 channel, 11-bit + sign resolution, output range 0~+10 V or 0~±20 mA
• Maximum Counting Frequency: 80 kHz
• Counting Modes: Supports rising edge, falling edge, dual-edge counting; compatible with single-pulse / AB-phase encoder signals
• Input Type: Opto-isolated input, TTL level input, strong anti-interference capability
• Counting Accuracy: Error ＜ ±0.01%
• Resolution: 1 ns

2. Electrical and Environmental Parameters

• Supply Voltage: 24 V DC
• Power Consumption: 5 W
• Operating Temperature: -40℃ ~ +70℃
• Storage Temperature: -40℃ ~ +85℃
• Protection Degree: IP20

Functions & Features

• Multi-scenario counting compatibility: Supports single-pulse and AB-phase quadrature pulse input, configurable 4x counting multiplication, suitable for encoders, linear scales, flow meters and various pulse signal sources.
• Integrated I/O expansion: Built-in 2×DI, 4×DO and 1×AO, enabling simultaneous counting triggering, status feedback and analog output to simplify system wiring.
• High-speed & stable counting: Up to 80 kHz counting frequency and 1 ns resolution ensure accurate positioning and counting for high-speed motion equipment.
• Industrial-grade reliability: Opto-isolated input design effectively suppresses on-site electromagnetic interference; wide operating temperature range adapts to harsh working conditions.
• Strong system compatibility: As a standard S100 I/O module, it seamlessly integrates with mainstream ABB control systems including 800xA, Advant OCS, Compact Product Suite.
• Complete integration solution: Can be used with 3BSE020832R1 (DSDP 140BK01) pulse input board kit to form a full pulse signal acquisition solution.

Application Scenarios

• Industrial Metering: Pulse flow statistics for flow meters and metering pumps to achieve accurate material metering.
• Motion Control: Motor speed monitoring, production line transmission positioning, servo system position feedback.
• Equipment Monitoring: Equipment operation cycle counting, production beat counting, fault trigger counting.

• Automated Production Lines: Conveyor system positioning, packaging machine counting, robot joint position feedback.

• Installation and Maintenance

• Installation Method: Standard S100 I/O rail mounting, suitable for ABB control system cabinet layout.
• Wiring Specification: Pulse input, DI/DO, and AO connected via dedicated terminals. Strictly follow the ABB S100 I/O wiring manual to ensure signal stability.
• Maintenance Points: Regularly check terminal tightness and clean dust from the module surface. In case of faults, the control system diagnostic function can be used to troubleshoot abnormal counting, signal loss and other issues. Supports quick replacement (replacement code EXC57160001-ACX).

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