1. Core Technical Specifications

Module Type：3500/33 16-Channel High-Density Programmable Relay Output Module

System Compatibility：Bently Nevada 3500 series machinery protection rack system

Channel Configuration：16 fully independent programmable relay output channels

Relay Type：Industrial standard SPDT single-pole double-throw contact

Contact Load Capacity：10A rated current, 250VAC/250VDC industrial load specification

Logic Programming：Independent channel voting logic, latching function, customized alarm drive configuration

Signal Expansion：Supports multi-channel combined DPDT simulated output mode

Status Indication：Independent LED status display for each channel operating state

Structure Specification：Full-height front module + full-height rear I/O module dual-slot structure

Operating Temperature：-30℃ ~ +65℃ industrial working range

Storage Temperature：-40℃ ~ +85℃

Certification：Class I Div 2, CSA, ATEX, IECEx full hazardous area compliance

2. Official Ordering Selection & Front/Rear Board Matching

Standard Ordering Model：3500/33-AA-BB-CC

AA Code: Channel Logic Mode

BB Code: Contact Performance Grade

CC Code: Safety Certification Grade

Front & Rear Board Official Matching List

3. Core Product Advantages

The 3500/33 leads the 3500 series relay modules in channel density, solving the core pain point of insufficient output channels and excessive module occupation in large-scale monitoring systems. A single module integrates 16 independent relay outputs, replacing multiple low-channel relay cards, greatly saving precious rack slot resources and reducing cabinet space occupancy. Each channel supports independent personalized programming, allowing engineers to configure different alarm thresholds, trigger logics and output modes for various equipment monitoring parameters without mutual restriction. The module supports flexible logic expansion such as channel combination voting and fault latching, meeting complex graded alarm and linkage control requirements that ordinary relay modules cannot achieve. Built-in independent circuit isolation design avoids cross-channel signal interference, ensuring stable output of each channel during full-load synchronous operation. With large-capacity contact load and excellent durability, it adapts to long-term uninterrupted industrial operation, effectively reducing equipment investment and later maintenance costs for large monitoring systems.

4. Industrial Application Scenarios

Positioned as a high-density signal expansion relay module, the 3500/33 is widely applied in large-scale integrated machinery protection systems with massive monitoring points and complex control logic. In thermal power plant unit monitoring racks, it undertakes centralized output of multi-point vibration, temperature, displacement alarm signals and auxiliary equipment linkage interlocks, realizing unified management of dozens of equipment status signals. In petrochemical large compressor clusters and refining process units, the module provides multi-channel graded alarm and fault shutdown output for multi-unit combined equipment, supporting hierarchical safety response of early warning, prompt alarm and emergency trip. It is also widely used in metallurgical heavy industry and large wind power equipment monitoring systems, serving as a high-efficiency signal distribution and execution terminal for dense monitoring nodes, perfectly matching the large-capacity expansion demand of medium and high-end 3500 protection systems.