We will arrange delivery within 3-5 days after receiving the payment.

Our express delivery: DHL and FedEx.

Quality packing for each product

Destination country all taxes & duty to be paid by buyer

Only part of the brand and model, if you have other product needs, please contact us..

ABB DSMB124 Circuit Board  

1. Key Parameters

• Product Model: DSMB124
• Product Series: ABB S800 I/O Backplane Interface Circuit Boards (Signal Conditioning & Communication)
• Core Function: Conditions analog/digital signals between S800 modules; manages backplane communication protocols; provides power distribution to connected modules; enables diagnostic data collection (voltage, temperature, connection status); supports hot-swapping for maintenance
• Electrical & Interface Specifications:

  Parameter	Details	Performance Metrics
  Signal Conditioning	- Analog Signals: 8-channel conditioning (4~20mA, 0~10V; 16-bit resolution, low-pass filtering)

• Digital Signals: 16-channel isolation (24V DC; 2.5kV optical isolation, debounce filtering)
• Noise Rejection: Common-mode rejection ratio (CMRR) ≥80dB @ 50/60Hz
• Signal Delay: <100µs (analog); <10µs (digital) | High CMRR minimizes interference from industrial noise; precise filtering ensures signal integrity for control loops |
  | Communication & Power | - Backplane Interface: ABB S800 bus (100Mbps data rate, redundant paths)
• Power Distribution: 24V DC input (18~30V range); 5V/3.3V regulated outputs (max 5A total)
• Protection: Overcurrent (5.5A trip), overvoltage (36V clamp), reverse polarity protection
• Diagnostic Signals: Voltage monitoring (±2% accuracy), temperature sensing (-40℃~+105℃) | Redundant communication paths prevent single-point failures; robust power protection safeguards connected modules |
• Mechanical & Environmental Specifications:

  Parameter	Details	Performance Metrics
  Mechanical Design	- Dimensions: 120mm (W) × 180mm (H) × 20mm (D) (low-profile PCB)

• Mounting: Screw-mount to S800 rack chassis (M3 screws, 4 mounting points)
• Material: FR-4 glass-reinforced epoxy (UL 94 V0) with conformal coating (IPC-CC-830 Class 3)
• Connectors: 2× DIN 41612 backplane connectors; 4× terminal blocks (signal/power)
• Weight: Approximately 120g | Conformal coating resists moisture and contaminants; low-profile design fits compact S800 racks |
  | Environmental Ratings | - Operating Temperature Range: -25℃~+70℃ (-13℉~158℉)
• Storage Temperature Range: -40℃~+85℃ (-40℉~185℉)
• Humidity Tolerance: 5%~95% RH (non-condensing, 40℃)
• Vibration Resistance: 10~500Hz, 1.5g acceleration (IEC 60068-2-6)
• Shock Resistance: 20g (11ms half-sine, IEC 60068-2-27)
• EMC Performance: EN 61326-3-1 (emission: Class B; immunity: Level 3) | Withstands industrial environmental stress without signal degradation; EMC compliance reduces interference with nearby equipment |
• Compliance Standards: CE, RoHS, IEC 61131-2, UL 508, CSA C22.2 No.14, IPC-A-610 Class 3 (electronics assembly) |

2. Core Features

• Dual Signal Conditioning: 8-channel analog (4~20mA/0~10V) and 16-channel digital (24V DC) signal processing—provides precise filtering and isolation, ensuring clean data transmission between field devices and S800 controllers, critical for accurate control loops (e.g., temperature regulation).
• Redundant Backplane Communication: 100Mbps S800 bus with dual communication paths—prevents data loss during single path failures, enhancing system availability in high-uptime applications (e.g., chemical plant control racks).
• Robust Power Distribution: 24V input with 5V/3.3V regulated outputs (5A total) and multi-layer protection (overcurrent, overvoltage, reverse polarity)—safeguards connected modules (e.g., memory, I/O) from electrical faults, reducing damage risk.
• Class 3 Conformal Coating: IPC-CC-830 Class 3 coating on FR-4 PCB—resists moisture, dust, and chemical contaminants in harsh environments (e.g., food processing washdown areas, offshore platforms), extending service life by 50%.
• Hot-Swap Capability: Supports hot-swapping in powered S800 racks—enables replacement without system shutdown, minimizing maintenance-related downtime in 24/7 operations (e.g., continuous production lines).
• Integrated Diagnostics: Real-time voltage monitoring (±2% accuracy) and temperature sensing—provides critical health data to S800 controllers, enabling proactive maintenance (e.g., detecting power supply degradation before failure).
• High EMC Immunity: EN 61326-3-1 Level 3 immunity—resists interference from industrial equipment (e.g., VFDs, motors), ensuring stable operation in electrically noisy environments (e.g., automotive factories).

3. Application Fields

• Industrial Automation Racks: Backplane interface management:
  • S800 I/O Racks: Serves as the central signal hub between I/O modules (e.g., DSMB115, DSIH71) and controllers (e.g., DSIH900)—conditions signals to reduce noise, ensuring reliable data exchange in manufacturing cells.
  • Distributed Control Subsystems: Manages communication between remote I/O stations and central controllers—redundant paths prevent data loss, critical for distributed water treatment plants.
• Process Control Systems: Signal integrity 保障:
  • Chemical Reactors: Conditions analog temperature/pressure signals (4~20mA) from sensors—high CMRR eliminates interference from agitator motors, ensuring precise reactor control.
  • Oil & Gas Pipelines: Processes digital valve status signals (24V DC) and distributes power to monitoring modules—conformal coating resists pipeline condensation, maintaining reliability.
• Safety-Critical Subsystems: Reliable interface:
  • Emergency Shutdown (ESD) Racks: Manages signal transmission between safety sensors and SIS controllers—isolated digital channels prevent ground loops, enhancing safety logic integrity.
  • Machine Safety Systems: Conditions emergency stop signals and distributes power to safety relays—fast signal delay (<10µs) ensures timely safety responses in robotic workcells.
• Harsh Environment Installations: Durable operation:
  • Food Processing Lines: Mounted in washdown-resistant S800 racks—conformal coating withstands caustic cleaners, maintaining signal integrity for packaging line sensors.
  • Mining Control Cabinets: Operates in -25℃ underground environments—wide temperature range ensures signal conditioning stability for conveyor control systems.

The structure and details of the product：

Please make an inquiry for more models

ABB CI810B 3BSE020520R1

ABB CI810V1 3BSE008584R1

ABB CI820V1 3BSE0255R1

ABB CI830 3BSE013252R1

ABB CI840 3BSE022457R1

ABB CI840A 3BSE041882R1

ABB CI840A-eA 3BSE041882R2

ABB CI853K01 3BSE018103R1

ABB CI854A 3BSE030221R1

ABB CI854AK01 3BSE030220R1

ABB CI854AK01-eA 3BSE030220R2

ABB CI854K01 3BSE025961R1

ABB CI855K01 3BSE018106R1

ABB CI857K01 3BSE018144R1

ABB CI858K01 3BSE018135R1

ABB CI860K01 3BSE032444R1

ABB CI861K01 3BSE058590R1

ABB CI867K01 3BSE043660R1

ABB CI867K01-eA 3BSE043660R2

ABB CI920AS 3BDH000690R1

ABB CI930F 3BDH001010R0001

ABB CP430B 3ABD10093882

ABB CP430T 3ABD10078278

ABB CP450T 3ABD10078281

ABB CP450T-ETH 3ABD10078282

ABB CP502 1SBP260171R1001

ABB CP620 1SAP520100R0001

ABB CP800

ABB PM810V2 3BSE013220R1

ABB CPUM-03 3HNE03318-1

ABB CR-U220DC3 ABB

ABB CS31 07KT92

ABB CS31 ICSK20F1

ABB CS513 3BSE000435R1

ABB CSP-VI-D-V4-D-A2

ABB CTB810

ABB CTB811

ABB CTB810

ABB CTT02

ABB CVC750AE101 3BHB005171R0101

ABB CVC750BE101 3BHE009681R0101 

ABB DAI03

ABB DAI04

ABB DAI01

ABB DAI02

ABB DAO01

ABB DAO04

ABB DAPC100 3ASC25H203-57 

ABB 3BSC980004R1014

ABB DAPI100 3AST000929R109

ABB DAPU100 3ASC25H204

ABB DATX100 3ASC25H208

ABB DATX110 3ASC25H209

ABB DATX130 3ASC25H214

ABB DATX133 3ASC25H219B

ABB DC732F  3BDH000375R0001

ABB DCF503A0050-0000000 3ADT209019R0001  8.15

ABB CI627A 3BSE017457R1

ABB DI810 3BSE008508R1

ABB DCSDI810 3BSE008508R2

ABB PM511V16 3BSE011181R1

ABB PM511V08 3BSE011180R1

ABB DI801-eA 3BSE020508R2

ABB DI802 3BSE022360R1

ABB B16-30-01

ABB PDP22-FBP.100 1SAJ240100R1010

ABB A0810V2

ABB DS203NC C32 AC100

ABB DS203NC C16 AC100

ABB DI802-eA 3BSE022360R2

 Other best-selling products：