MODICON 3185996 Control Circuit Board

Technical Specifications

Model: 3185996 Brand: MODICON(Schneider) Product Type: PLC Rack Printed Circuit Board Mounting: Installed inside Modicon PLC rack housing Operating temperature: 0℃ ~ +60℃ Storage temperature: -20℃ ~ +70℃ Relative humidity: 5%~95%, non-condensing Weight: 0.32kg Dimension: 210mm145mm18mm Protection: IP20 (when assembled in rack enclosure)

System compatibility

3185996 belongs to MODICON legacy PLC rack series circuit board. Compatible with matching Modicon 984 rack assemblies. Suitable for chemical plants, water treatment, packaging machinery old PLC cabinet maintenance and replacement as industrial spare part.

Function

3185996 control printed circuit board. It is the internal circuit board for Modicon PLC rack assembly. It handles backplane bus signal transmission and power distribution between rack modules. It stabilizes signal communication between CPU and I/O modules. Built-in hardware filter and signal watchdog function. Widely used for signal interconnection of legacy MODICON automation rack system, serving as reliable core spare part.

Installation

Cut off rack power before installation. Open PLC rack housing, disconnect original board connectors. Install 3185996 circuit board, align all pin connectors and fix mounting screws. Reconnect power and bus wiring. Verify rack module recognition and bus communication before formal operation.

Interface

Backplane bus connector, power connector, signal status LED indicators for 3185996 MODICON circuit board.

Feature

MODICON 3185996 rack control PCB, bus signal transmission, internal power distribution, hardware signal filtering, industrial anti-interference design. This discontinued legacy industrial spare part used for old MODICON PLC rack hardware maintenance and replacement.

Diagnostic

Rack module not detected: check board power supply, bus connector and PCB traces for 3185996. Bus communication dropout: inspect connector pins, wiring shielding and grounding. Module power unstable: verify power terminal and circuit fuse on PCB. Intermittent fault: check loose connector and component aging.

Product Brief

3185996 is MODICON legacy PLC rack printed circuit board. It is responsible for backplane bus communication and power distribution between PLC modules, classic spare part for legacy MODICON industrial automation rack overhaul.

Disclaimer:

All parameters are for reference only and shall not be used as the basis for quotation. Goods are scarce, overseas delivery lead time is 3-7 working days. It is only used for equipment maintenance and renovation.