Description

The MESTO D100314 is a 16-channel digital input(DI)module engineered for high-integrity process and safety instrumented systems(SIS).Developed by MESTO—a specialist in industrial control components often integrated into burner management,emergency shutdown(ESD),and fire&gas detection systems—the MESTO D100314 delivers reliable signal acquisition from field devices such as limit switches,pushbuttons,flame detectors,and pressure switches.With robust electrical isolation,advanced diagnostics,and compliance with functional safety standards,this module ensures fail-safe operation in the most demanding industrial environments.

Application Scenarios

At a North Sea offshore platform,aging relay-based ESD panels lacked diagnostic coverage,leading to undetected wiring faults and costly false trips.During a safety system upgrade,engineers replaced legacy cards with the MESTO D100314,integrating it into a modern MESTO-based safety controller.Each of the 16 channels monitored critical signals—such as wellhead valve positions,gas detector alarms,and pump status—with wetted contact sensing that confirmed both open and closed states.The MESTO D100314’s built-in wire-break and short-circuit detection immediately flagged a corroded cable during commissioning,preventing a potential blind spot.Post-installation,the platform achieved full compliance with IEC 61511 SIL2 requirements,and unplanned shutdowns dropped by 80%.Operators now trust the MESTO D100314 as a silent guardian of operational integrity.

Parameter

Main Parameters Value/Description

Product Model MESTO D100314

Manufacturer MESTO(Industrial Automation Components)

Product Category Digital Input(DI)Module/Safety I/O Card

Number of Channels 16 isolated digital inputs

Input Type 24 V DC wetted contact(supports dry contact with external supply)

Input Voltage Range 18–30 V DC(nominal 24 V)

Electrical Isolation 5 kV channel-to-backplane isolation;channel-to-channel grouped isolation

Diagnostics Wire-break detection,short-circuit monitoring,LED status per channel

Functional Safety Rating Compliant with IEC 61508 SIL2/IEC 61511 for use in SIS

Hazardous Area Certification ATEX,IECEx(when installed in certified enclosures)

Mounting DIN-rail or rack-mounted in MESTO S-Series chassis

Operating Temperature-20°C to+70°C

Communication Interface Backplane connection to MESTO controller(proprietary high-speed bus)

Technical Principles and Innovative Values

Innovation Point 1:Wetted Contact Sensing for True State Verification–Unlike standard DI modules that only detect voltage presence,the MESTO D100314 actively sources current through field contacts(“wetting”),ensuring reliable detection of both open and closed states—even with oxidized or high-resistance contacts common in marine or chemical environments.

Innovation Point 2:Per-Channel Diagnostic LEDs with Remote Fault Logging–Each input features a dual-color LED(green=healthy,red=fault),while the host controller logs exact fault type(e.g.,“Channel 7:Open Circuit”)for predictive maintenance—reducing troubleshooting time by up to 75%.

Innovation Point 3:Intrinsic Safety via Passive Barriers Compatibility–The MESTO D100314 is designed to interface directly with Zener or galvanic barriers,enabling safe connection to Zone 0/1 sensors without additional isolators—simplifying system architecture in explosive atmospheres.

Innovation Point 4:Hot-Swap Ready in Redundant Architectures–When used in dual-redundant MESTO safety controllers,the D100314 supports live replacement without system interruption—critical for continuous processes like LNG liquefaction or refinery operations.

Application Cases and Industry Value

In a German biogas plant using anaerobic digesters,methane buildup posed explosion risks if ventilation failed.The facility installed a MESTO safety PLC with multiple MESTO D100314 modules to monitor gas concentration relays,fan status,door interlocks,and emergency stop buttons.During a routine storm,lightning induced a ground loop that damaged three field cables.Thanks to the MESTO D100314’s real-time wire-break detection,the safety system triggered a controlled shutdown before hazardous conditions developed.Plant managers reported that the incident—once a potential catastrophe—was resolved within minutes with zero injury or environmental impact.The MESTO D100314 has since become standard in all their new safety cabinets.

Related Product Combination Solutions

MESTO D100315:16-channel digital output(DO)module—often paired with D100314 for complete I/O coverage in safety loops.

MESTO A100210:Analog input module for 4–20 mA signals from transmitters(e.g.,pressure,temperature).

MESTO S-Series Controller:Central safety logic solver that hosts D100314 modules in modular chassis.

MESTO Power Supply Unit(e.g.,P100100):Redundant 24 V DC supply with diagnostic feedback for full system resilience.

Pepperl+Fuchs IS Barriers:Commonly used with D100314 for intrinsically safe field connections in Zone 1.

HIMA F7542:In hybrid systems,MESTO D100314 sometimes feeds signals into HIMA controllers via dry contacts.

ABB AC 800F:For non-safety BPCS integration,D100314 status can be mirrored via Modbus to ABB DCS.

MESTO Configuration Tool:Proprietary software for channel labeling,diagnostic thresholds,and SIL validation reports.

Installation,Maintenance,and Full-Cycle Support

The MESTO D100314 installs into a compatible MESTO backplane with tool-free latch engagement.Wiring uses screw terminals or spring-clamp connectors(depending on variant),with clearly labeled channels and polarity indicators.Its wide operating temperature range and conformal-coated PCB option ensure reliability in humid,corrosive,or high-vibration settings.

For maintenance,technicians benefit from front-accessible LEDs and hot-swap capability in redundant systems.The module self-tests at power-on and continuously monitors input health—any anomaly is reported to the controller’s event log with millisecond timestamping.As an authorized distributor of legacy and current MESTO products,we provide:

Factory-new MESTO D100314 units with full batch traceability

100%functional testing:input simulation,isolation check,diagnostic verification

Compatibility validation with MESTO S-Series chassis and firmware versions

12-month warranty and technical support from engineers experienced in functional safety systems

Contact us for a customized solution—whether you’re upgrading an ESD system,designing a new boiler control panel,or ensuring SIL compliance in a chemical facility,the MESTO D100314 delivers uncompromising signal integrity,diagnostic depth,and safety assurance where it matters most.

选择深圳长欣，选择放心，售后无忧 大量现货，当天顺丰发货！！！