Bently 100M8834 3701/55 ADAPT ESD SIL Safety Manual

The 3701/55 ADAPT ESD system supports fixed (static) IP addressing as well as DHCP. You can

easily use the Bently Nevada Monitor Configuration software to set the system to any

static IP address or set for DHCP. The system has 6 physical network interfaces in order to

provide 2 interfaces per CPU module. The system should be configured so that each CPU

module is connected to a single subnet through one of the available interfaces.

For redundant communications, the second set of three interfaces can be utilized,

and should be configured for a separate subnet.

Comprehensive diagnostic HMI implementation

Standardized & holistic machinery configurations based on

Bently Nevada best practices for vibration and process data.

Standard data connectivity (OPC, 3500. etc.) for overall machine

and key sub-systems (vibration, lube, seal, surge, etc.).

Optional hosted and/or remote monitoring

Access to Bently Nevada machinery experts through

standardized remote monitoring.

Flexible

The 3500 Series features the industry’s most extensive

selection of machinery measurement parameters combined

with software configuration for virtually all monitor options.

Local or remote mounted displays are available, or you can

operate the 3500 without a display. The result is unparalleled

flexibility to address almost any application.

3701 ADAPT ESD Overview

Typical (and recommended) applications of the ADAPT ESD will use a triple modular

redundant architecture. In this configuration, each processor module physically

connects to an array of 32 input channels, 12 of which are configurable as discrete

inputs or 4-20 mA analog inputs, as well as two speed inputs. The Bently Nevada

Monitor Configuration software allows you to configure large combinations of

logic blocks in order to manage the system trip logic. This logic dictates how the trip

mechanisms for the system are driven. The ADAPT ESD system can drive 12 independent

trip relays. Of the 12 relays, six of these signals can optionally be configured for

two-out-of-three, (2oo3), voting. In the 2oo3 arrangement, the system activates a

relay only when any two of the three CPU modules drive to trip. In independent mode,

or one-out-of-one voting, any single CPU that drives to trip will cause an assigned relay

to activate on the corresponding output card. For the highest safety, the system should

be configured in “de energize to trip”, or “normally energized” mode so that loss of

power will not result in a machine running unmonitored.

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