INDUSTRONIC 1DXC Series Modules

Technical Dossier

Product Details And Specifications

INDUSTRONIC 1DXC Series: Comprehensive Module Range and Technical Overview

The INDUSTRONIC 1DXC series represents a family of exchange control boards engineered for mission-critical communication and process control infrastructure in heavy industrial environments. Deployed across chemical processing plants, nuclear power stations, oil refineries, and offshore platforms, these boards serve as the backbone of INDUSTRONIC's public address and general alarm (PAGA) systems — installations where signal integrity and fault tolerance are non-negotiable. The 1DXC architecture is found in facilities across Europe, the Middle East, and Asia-Pacific, with installed base units frequently requiring long-term spare parts support well beyond the original product lifecycle.

The Evolution of 1DXC Architecture

INDUSTRONIC's 1DXC control board lineage traces its origins to the modular PAGA system designs of the 1980s and 1990s, when industrial communication systems began transitioning from hardwired relay logic to card-based electronic control. Early 1DXC variants were designed around discrete analog signal routing, with subsequent revisions introducing digital supervision, fault-reporting buses, and compatibility with INDUSTRONIC's VARIODYN D1 and EXIGO platform ecosystems.

The 341-702-100 board designation identifies the core exchange control function within the 1DXC sub-family. Revision suffixes (01, 02, 03, etc.) denote incremental hardware changes — component substitutions, PCB layout revisions, or firmware-compatible hardware updates — while maintaining backward compatibility within the same backplane slot. By the mid-2010s, the 1DXC series entered a mature/end-of-active-production phase, with INDUSTRONIC transitioning new installations to next-generation IP-based PAGA architectures. However, the installed base of 1DXC-equipped systems remains substantial, and field replacement demand continues across maintenance and turnaround cycles.

Compatibility note: 1DXC boards are slot-specific within INDUSTRONIC exchange frames. Cross-revision substitution (e.g., 1DXC 02 replacing 1DXC 03) requires verification against the site's system configuration documentation and INDUSTRONIC service bulletins.

1DXC Full Catalog & Functionalities (SKU List)

The following SKUs represent verified models within the INDUSTRONIC 1DXC and closely related 341-series exchange control board range. Each entry reflects a distinct hardware revision or functional variant documented in INDUSTRONIC system references:

341-702-100 1DXC 01: First-revision exchange control board; analog signal routing, basic fault supervision.
341-702-100 1DXC 02: Second revision; updated component specification, improved thermal tolerance.
341-702-100 1DXC 03: Third revision; current production-equivalent, enhanced bus diagnostics.
341-702-100 1DXC 04: Fourth revision; PCB layout update, RoHS-compliant component set.
341-702-100 1DXC 05: Fifth revision; extended temperature range rating for offshore environments.
341-700-100 1DXA: Exchange control board variant A; primary call routing function in VARIODYN frames.
341-700-200 1DXB: Exchange control board variant B; secondary/redundant call path module.
341-703-100 1DXD: Exchange control board variant D; extended I/O configuration for large exchange frames.
341-704-100 1DXE: Exchange control board variant E; integrated alarm input processing.
341-705-100 1DXF: Exchange control board variant F; fiber-optic interface option for remote frames.
341-710-100 1CPU: Central processing unit board for INDUSTRONIC exchange; controls 1DXC slot assignments.
341-711-100 1PSU: Power supply unit board; 24 VDC regulated output for exchange backplane.
341-712-100 1COM: Communication adapter board; RS-485 / CAN bus interface for system supervision.
341-720-100 1DIO: Digital I/O module; 16-channel discrete input/output for alarm and control signals.
341-730-100 1AIO: Analog I/O module; 8-channel 4–20 mA process signal interface.
341-740-100 1NET: Network interface card; Ethernet connectivity for IP-based PAGA supervision.
341-750-100 1RLY: Relay output board; 8 x SPDT relay contacts for external alarm activation.
341-760-100 1AMP: Amplifier interface board; connects exchange frame to INDUSTRONIC 100 V line amplifiers.

Sourcing Hard-to-Find & Obsolete 1DXC Series Parts

DriveKNMS maintains a dedicated inventory program for INDUSTRONIC 1DXC series boards and associated 341-series modules. As the 1DXC product line has entered end-of-active-production status, OEM channel availability is limited or discontinued for many revision levels. DriveKNMS sources verified surplus, refurbished, and new-old-stock (NOS) units through established industrial distribution networks, decommissioned plant asset recovery, and direct procurement from certified INDUSTRONIC service partners.

Quality Control for the 1DXC Range

INDUSTRONIC 1DXC exchange control boards incorporate multi-layer PCB construction with proprietary backplane bus connectors. DriveKNMS applies a structured inspection and functional test protocol to all 1DXC units prior to dispatch:

Visual inspection: Component-level examination for corrosion, solder joint integrity, capacitor condition, and connector pin alignment. Boards with evidence of thermal damage, moisture ingress, or unauthorized repair are quarantined.
Backplane connector test: Edge connector and DIN41612 interface pins are tested for continuity and contact resistance against INDUSTRONIC specification tolerances.
Functional power-on test: Each board is energized in a controlled bench environment replicating the INDUSTRONIC exchange frame supply voltage (24 VDC nominal). Onboard LED indicators, fault relay outputs, and bus communication responses are verified.
Signal path verification: For 1DXC exchange control boards, audio signal routing paths and supervision loop responses are tested using INDUSTRONIC-compatible test equipment.
Revision verification: Hardware revision markings are cross-referenced against INDUSTRONIC documentation to confirm the unit matches the ordered revision level before shipment.

All units are shipped with individual test records and ESD-protective packaging. Warranty terms are available on request.