Ingress Protection

The metal enclosures provide the outer layer of protection for the control electronics.

Other layers are provided by the module covers and built into the modules. This

approach to protection means that a minimum of contaminants in the plant

environment reaches the control components, thus greatly extending the life of the

equipment.

For sealed, non-adjoined G61 enclosures, heat is transferred from the interior

surfaces of the enclosure and then dissipated by the enclosure’s exterior surfaces into

the plant environment. Air is not exchanged between the enclosure’s interior and the

outside environment. Therefore, contaminants are minimized inside the enclosure.

The enclosures support convenient top or bottom cable entry for TA cabling and

power wiring. Vented enclosures with roof-mounted fans are not recommended with

top cable entry, due to the location of the power supplies.

Features

• Uptoseven1.800 mm(70.8 in) vertical DIN rails for mounting of termination

assemblies (TAs) and terminal blocks for marshalling, to provide a total of 12.6 m

(41.3 ft) of linear rail space

• Ventedorsealed enclosure selection for use in ordinary (IP 43/55) or harsh (IP

55/66) rated environments

• EMCcompliantversion available — vented (IP43/55) with roof-mounted fans

• Option for redundant 480 W (P0923VD) or 960 W 24 V DCfield power supplies

• Mainpowerentry includes disconnect terminal blocks, or 10A, Type D, double

pole circuit breakers

• Optional EMC/RFI line filters for redundant main power (Triconex recommended)

• Alarmcontact terminal block assembly for door intrusion monitoring switches,

enclosure temperature switch, and field power supply status

• Optional door intrusion monitoring

• Bottomcable entry for standard power wiring and cables for Triconex termination

devices, such as External Termination Panels (ETPs), Field Terminations, and

External Termination Assemblies (ETAs)

NOTE: Duetothe placement of field power supplies, top entry is not

recommended for this enclosure.

• Available PVC or non-PVC wireways for field I/O cabling, with optional signal

segregation barrier plate

• Generous76mmx102mm(3inx4in)wireductswith adequate capacity for

most wire management

• Compactdesign to minimize use of floor space with both front and rear access

that allow maximum packaging density of control environment

• Conveniently placed eyebolts for transporting and lifting the enclosures

• A100mm(4in)plinth increases total enclosure height of 2.160 mm (85.0 in)

• Comfort handles with push button/keylocks

• Twogroundpoints; two protective ground studs, and one isolated protective

ground rail

Overview

The G61EcoStruxure™ Triconex™ Tricon termination enclosure is specifically

designed for housing Triconex termination devices and additional customer-supplied

terminal blocks for marshalling. This enclosure may accommodate the termination of

Tricon modules which are housed in a G60 Tricon System Enclosure or G62/G72

Tricon System and Termination Enclosure.

The G61enclosure is available as a vented or sealed enclosure. It can be configured

with:

• Uptosevenvertical DIN rails for mounting of Triconex termination devices and

additional customer-supplied terminal blocks for marshalling

• Redundantpowersupplies (480 W or 960 W 24 VDCpower supplies) for field

power

The G61vented enclosure is a free-standing, floor mounted unit with an IP43/55

rating for location in mild (ordinary) environmental areas.

The G61sealed enclosure is a free-standing, floor mounted unit, with options for

either an IP55 or IP66 rating for location in harsh environments.

Sealed enclosures with an IP66 rating provide a higher level of protection from

airborne contamination.

NOTE: In regions that require EMC compliance, you must order the EMC

compliance option if the Triconex termination devices for Tricon modules SMM or

SRXMwill be installed in this enclosure. Without these termination devices, the

enclosure already fulfills the requirements for EMC compliance.

An optional door intrusion monitoring switch is available for each door on this

enclosure. Each switch is prewired to a set of alarm status terminal blocks.

The G61enclosure can be installed bayed or adjoined to other Triconex enclosures to

maximize the use of floor space and ease of cabling. The enclosures can be bayed

together using third-party kits.

This enclosure and its configurations have been tested and qualified by Foxboro for

use with the Tricon equipment.

INTRODUCTION

The G60 enclosure is specifically designed for

housing Tricon system chassis and modules. It is

designed for use with the G61 or G66 Tricon

Termination Enclosures, and is available as a vented

enclosure only.

The G60 enclosure can be configured with up to

three Tricon chassis. Main power entry can include

optional EMC/RFI line filters. It is a free-standing,

floor mounted unit with an IP 43 rating for location in

mild (ordinary) environmental areas. A version is

available with optional EMC compliance.

NOTE

In regions that require EMC compliance, you

must order the EMC compliance option if

Tricon modules SMM or SRXM will be

installed in a chassis in this enclosure.

Without these modules, the enclosure

already fulfills the requirements for EMC

compliance.

The G60 enclosure, IP 43 rated, can be installed

bayed or adjoined to others to maximize the use of

floor space and ease of cabling. The enclosures can

be bayed together using third-party kits.

This enclosure and its configurations have been

tested and qualified by Invensys for use with the

Tricon chassis.

NOTE

It is possible to configure the G60 enclosure

with front access only and the safety glass

front door. However, since no ventilation is

located on a rear wall, the end-user is

responsible for locating adequate inlet

ventilation to maintain proper operation of

the enclosure’s equipment, through

ventilation on a side wall or from an adjoined

cabinet.

Vented enclosures have a limited thermal load (see

“Operating Temperatures (Ambient)” on page 8).

INGRESS PROTECTION

The metal enclosures provide the outer layer of

protection for the control electronics. Other layers are

provided by the module covers and built into the

modules. This approach to protection means that a

minimum of contaminants in the plant environment

reaches the control components, thus greatly

extending the life of the equipment.

DUAL THERMOSTAT

An optional dual (high/low) thermostat is available to

monitor enclosure temperature extremes.

DOOR INTRUSION MONITORING

An optional door intrusion monitoring switch is

available for each door on the enclosure. Each switch

is prewired to a set of alarm status terminal blocks.

The G60 Tricon System Enclosure provides environmental

protection and housing for Triconex™ Tricon system chassis

and modules.

FEATURES

The G60 Tricon system enclosure offers the following features:

• Accommodates up to three Tricon system chassis

• Main power entry includes disconnect terminal

blocks for 120/240 V ac or 125 V dc systems, or

10 A, Type D, double pole circuit breakers for

120/240 Vac systems.

• Optional EMC/RFI line filters for redundant main

power (Triconex recommended).

• Vented enclosure for use in ordinary (IP 43) rated

environments

• Option for EMC compliance

• Compact design to minimize use of floor space

with both front and rear access that allows

maximum density of enclosures in a control room

environment

• Options for front and rear access or front access

only, both with optional safety glass front door

• Optional door intrusion monitoring

• Alarm contact terminal block assembly for main

chassis alarming, door intrusion monitoring

switches, enclosure temperature switch and field

power supply status.

• Bottom cable entry for power wiring and cables

for Triconex termination devices, such as External

• Termination Panels (ETPs), Field Terminations and

• External Termination Assemblies (ETAs)

• Conveniently placed eyebolts for transporting

and lifting the enclosures

• A 100 mm (4 in) plinth – total enclosure height of

2160 mm (85.0 in)

• Comfort handles with push-button/keylocks

Three earth (ground) points; two protective earth

(ground) studs, one isolated protective earth

(ground) rail and one isolated instrument earth

(ground) rail.

FEATURES

The G62 and G72 Tricon system and termination enclosures offer the

following features:

• Available sizes:

• G62 enclosure – 800x800x2000mm 

• G72 enclosure – 800x800x2200mm

• (Enclosure front) Vented enclosure

accommodates up to two Triconex™ Tricon system chassis

• (Enclosure rear) Two 1800 mm (or 2000 mm)

vertical DIN rails for mounting of Triconex termination devices to provide a total

of 3.6 m (or 4.0 m) of linear rail space. Optionally, one rail may be used to mount

terminal blocks for marshalling.

• Main power entry includes disconnect terminal blocks for 120/240 V ac or 125 V

dc systems, or 10 A, Type D, double pole circuit breakers for 120/240 Vac systems.

• Optional EMC/RFI line filters for redundant main power (Triconex recommended).

• Optional redundant 24 V dc field power – 480W (two field I/O power supplies) or

960W (four field I/O power supplies) with dedicated terminal block assemblies

providing independent disconnections for every Triconex termination device

• Vented enclosure for use in ordinary (IP 43) rated environments

• Option for EMC compliance

• Enclosure front and rear access, with optional safety glass front door

• Optional door intrusion monitoring switches

Alarm contact terminal block assembly for main chassis alarming, door intrusion

monitoring switches, enclosure temperature switch and field power supply status

• Compact design to minimize use of floor space with both front and rear access

that allow maximum density of enclosures in a control environment

• Available PVC or non-PVC wireways for field I/O cabling

• Generous 76 mm x 102 mm (3 in x 4 in) wire ducts with adequate capacity for

most wire management

• Bottom cable entry for field wiring

• Conveniently placed eyebolts for transporting and lifting the enclosures

• A 100 mm (4 in) plinth – total enclosure height of 2160 mm (85.0 in)

• Comfort handles with push-button/keylocks

• Three earth (ground) points; two protective earth (ground) studs, one isolated

protective earth (ground) rail and one isolated instrument earth (ground) rail

The G62 and G72 Tricon System and Termination Enclosures provide

environmental protection and housing, with termination and marshalling

options for Triconex™ Tricon system chassis and modules and DIN rail

mounted Triconex termination devices, such as External Termination

Panels (ETPs), Field Terminations and External Termination Assemblies (ETAs).

INTRODUCTION

The G62 and G72 enclosures are specifically designed for housing Tricon system

chassis and modules, DIN rail mounted Triconex termination devices and customer

-supplied terminal blocks for marshalling. These enclosures are available as vented

enclosures. They can be configured with:

• Up to two Tricon system chassis

• Two vertical DIN rails for mounting of Triconex termination devices. One rail may

be used to mount terminal blocks for marshalling.

The G62 and G72 enclosures are free-standing, floor mounted units with an IP 43

rating for location in mild (ordinary) environmental areas. Versions are available

with optional EMC compliance.

NOTE

In regions that require EMC compliance, you must order the EMC compliance option

if Tricon modules SMM or SRXM will be installed in a chassis in this enclosure.

Without these modules, these enclosures already fulfill the requirements for EMC

compliance.

BASEPLATE MOUNTING

The baseplate is available in two basic mounting

configurations — horizontal DIN rail mount or vertical

DIN rail mount. Either of these configurations can be

employed internal to, or external to an enclosure;

however, in all cases the DIN rail must be amply

supported, whether by means of metal braces, a

backplate, or a supporting wall.

In addition to DIN rail mounting of the baseplate, a

mounting kit is available for mounting the baseplate

horizontally in a standard, 483 mm (19 in) rack. The

kit provides a 25.4mm (1 in) mounting depth, to meet

clearance requirements at the front of the 19-inch

rack.

BASEPLATE IMPLEMENTATION

A grouping of up to four baseplates per FCM (pair)

can be connected together, for mounting of up to 32

modules (30FBMs and 2 FCMs). Multiple groups of

baseplates can be connected to the Ethernet trunk

Fieldbus, either directly (via Ethernet connectors) or

through one or more multiport fiber optic converters

(hubs). (Refer to PSS 21H-2W1 B3 for information on

the various DIN rail mounted FBM subsystem

communication topologies). Module Fieldbus

interconnection between baseplates is made by

shielded twisted-pair cable for local configurations

and/or by fiber optic cable for remote configurations.

Using fiber optic topologies (refer to

PSS21H-2W1B3), baseplates can be separated up

to 10 km (6.2 mi).

Figure 1 shows baseplate implementation using only

shielded twisted-pair cable connections. This

configuration is used when the four (maximum)

baseplates are mounted in the same general location.

Using shielded twisted-pair cable, the baseplates can

be interconnected up to 60 m (196 ft) total cable

distance. Shielded twisted-pair cables are available in

lengths of 0.25 m (10 in), 1 m (3.3 ft), 3 m (9.9 ft), 5 m

(16.5 ft), 10 m (33 ft), 20 m (66 ft), 30 m (99 ft) and

60m (198 ft), allowing placement of the baseplates

(up to four in a group) in one or more enclosures.

Figure 2 shows how baseplate implementation can be

extended using fiber optic cabling. In this

configuration, up to three module Fieldbus segments

can be fiber optic, allowing the baseplates to be

dispersed over a wider area. The FCM2Fs provide

three different fiber optic cabling distances between

baseplates: 2km (1.24 mi), 4 km (2.48 mi), or 10km

(6.2 mi). Refer to PSS21H-2Y3 B3 for additional

information on baseplate implementation using this

configuration.

The DIN rail mounted Fieldbus Module baseplate

provides a convenient, secure facility for the mounting

of DIN rail mounted Fieldbus Modules (FBMs) and

Fieldbus Communications Modules (FCMs). Its eight

mounting positions can accommodate up to eight

FBMs or a combination of FBMs and FCMs.The

baseplate also provides the necessary connectors for

redundant power, redundant module Fieldbus, and

termination cables.

PLUG-IN MODULES

The DIN rail mounted FBMs accommodated by the

baseplate are compact, plug-in modular assemblies

used to interface field devices with the host control

station. The FCMs, having the same form factor as

the FBMs, perform signal interface functions.

For example, FCM10Es are used to interface the

Ethernet trunk Fieldbus with the 2 Mbps module

Fieldbus, and FCM2Fs are used for fiber optic

communications extensions between baseplates. The

FBMs and FCMs plug onto the baseplate by means

of their two, 48-pin connectors, and each is fastened

in place by two screws.