BENTLY 350032 125712-01 4 Channel Relay Module

Description

The 4-Channel Relay Module is a full-height module that

provides four relay outputs. Any number of 4-Channel

Relay Modules can be placed in any of the slots to the right

of the Rack Interface Module. Each output of the 4-

Channel Relay Module can be independently programmed

to perform needed voting logic.

Each relay utilized on the 4-Channel Relay Module

includes "Alarm Drive Logic". The Alarm Drive Logic is

programmed using AND and OR logic, and can utilize

alarming inputs (alerts and dangers) from any monitor

channel or any combination of monitor channels in the

rack. This Alarm Drive Logic is programmed using the 3500

Rack Configuration Software to meet the specific needs of

the application.

Note: Triple Modular Redundant (TMR) applications

require the use of the 3500/34 TMR Relay Module.

Consult Bently Nevada Specification and Ordering

Reliability and Integrity

The 3500 System can be configured with varying levels of redundancy. This ranges from simplex modules to

dual power supplies to redundant relay modules with wide ranging and flexible logical operator options for

configuring complex relay logic as needed.

The 3500 System also offers a variety of Safety Integrity Level (SIL) certifications (SIL 1 and SIL 2) for various 3500

monitors used in safety instrumented systems subject to Functional Safety Certification.

The 3500 System incorporates numerous selfmonitoring functions that can identify faults in the monitor modules and their connected transducers,

annunciate and identify problems via appropriate errorcodes, and suppress channel operation automatically

when a failure could compromise correct operation of the system.

Features Overview

The 3500 System is intended for continuous,permanent monitoring of rotating and reciprocating machinery in a variety of industries. 

It is specifically designed for use in auto-shutdown machineryprotection applications that require extremely high reliability and availability.

Remote Accessibility

Networked connections allow you to remotely configure a 3500 system and even assess the system when an

instrument problem arises. You can implement simple changes, such as to an alarm setpoint or a filter corner,

without traveling to the site in person. This is useful for installations at offshore platforms, compressor or pump

stations, emergency generators, and other locations where on-site access to the instrumentation is inconvenient or impractical.

Channel Density

4-channel Monitors allow a single full size (14 slot) 3500 rack to accommodate up to 56 monitoring channels.

This efficient use of space results in lower installation costs by saving valuable cabinet space. 

It also facilitates sharing common components, such as displays, communications gateways, and power

supplies, across more channels for less cost per channel.

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