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Installing your adapter module, Panel/wall mounting, Component identification – Rockwell Automation 1794-APB/B FLEX I/O PROFIBUS Adapter Module Installation Instructions User Manual

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Publication 1794-IN087C-EN-P - July 2005

North American Hazardous Location Approval

PROFIBUS Adapter, Cat. No. 1794-APB Series B

Installing Your Adapter Module

Mounting on a DIN rail before installing the Terminal Base Units

1. Position the adapter module (A) on a 35 x 7.5mm DIN rail (B) at a

slight angle.

2. Hook the lip on the rear of the adapter onto the top of the DIN rail,

and rotate the adapter module onto the rail.

3. Press the adapter module down onto the DIN rail until flush. Locking

tab C will snap into position and lock the adapter module to the DIN
rail.

4. If the adapter module does not lock in place, use a screwdriver or

similar device to move the locking tab down while pressing the
adapter module flush onto the DIN rail, and release the locking tab to
lock the adapter module in place. If necessary, push up on the locking
tab to lock.

5. Connect the adapter wiring as shown under “Connecting Wiring”

later in this document.
Remove debris wrapper before applying power to the module.

Panel/Wall Mounting

If mounting this adapter to a panel or wall, refer to publication 1794-5.13,
“Panel Mounting Kit, Cat. No. 1794-NM1.”

Mounting (or Replacing) the Adapter on an Existing System

1. Remove the PROFIBUS connector from the front of the adapter.

2. Disconnect any wiring jumpered to the adjacent terminal base.

3. Open the module latching mechanism and remove the module from

the base unit to which the adapter will be attached.

4. Push the flexbus connector toward the right side of the terminal base

to unplug the backplane connection.

The following information applies when
operating this equipment in hazardous locations:

Informations sur l’utilisation de cet équipement en
environnements dangereux :

Products marked “CL I, DIV 2, GP A, B, C, D” are
suitable for use in Class I Division 2 Groups A, B, C, D,
Hazardous Locations and nonhazardous locations only.
Each product is supplied with markings on the rating
nameplate indicating the hazardous location
temperature code. When combining products within a
system, the most adverse temperature code (lowest
“T” number) may be used to help determine the overall
temperature code of the system. Combinations of
equipment in your system are subject to investigation
by the local Authority Having Jurisdiction at the time
of installation.

Les produits marqués "CL I, DIV 2, GP A, B, C, D" ne
conviennent qu’à une utilisation en environnements de
Classe I Division 2 Groupes A, B, C, D dangereux et non
dangereux. Chaque produit est livré avec des marquages
sur sa plaque d’identification qui indiquent le code de
température pour les environnements dangereux.
Lorsque plusieurs produits sont combinés dans un
système, le code de température le plus défavorable
(code de température le plus faible) peut être utilisé pour
déterminer le code de température global du système.
Les combinaisons d’équipements dans le système sont
sujettes à inspection par les autorités locales qualifiées
au moment de l’installation.

EXPLOSION HAZARD

• Do not disconnect equipment

unless power has been removed
or the area is known to be
nonhazardous.

• Do not disconnect

connections to this equipment
unless power has been removed
or the area is known to be
nonhazardous. Secure any
external connections that mate
to this equipment by using
screws, sliding latches,
threaded connectors, or other
means provided with this
product.

• Substitution of components

may impair suitability for Class
I, Division 2.

• If this product contains

batteries, they must only be
changed in an area known to be
nonhazardous.

RISQUE D’EXPLOSION

• Couper le courant ou

s’assurer que l’environnement
est classé non dangereux avant
de débrancher l'équipement.

• Couper le courant ou

s'assurer que l’environnement
est classé non dangereux avant
de débrancher les connecteurs.
Fixer tous les connecteurs
externes reliés à cet
équipement à l'aide de vis,
loquets coulissants,
connecteurs filetés ou autres
moyens fournis avec ce produit.

• La substitution de

composants peut rendre cet
équipement inadapté à une
utilisation en environnement de
Classe I, Division 2.

• S’assurer que

l’environnement est classé non
dangereux avant de changer les
piles.

Component Identification

1

PROFIBUS Adapter Module

2

Flexbus Connector

3

24V Common Connections

4

24V dc Connections

5

Node Address Thumbwheel Switches

6

PROFIBUS Connector

7

Status Indicators

WARNING

A

VERTISSEMENT

7

6

5

4

3

2

1

ATTENTION

During mounting of all devices, be sure that all debris
(metal chips, wire strands, etc.) is kept from falling into
the module. Debris that falls into the module could
cause damage on power up.

WARNING

If you connect or disconnect the PROFIBUS cable

with power applied to this module or any device on

the network, an electrical arc can occur. This could

cause an explosion in hazardous location

installations. Be sure that power is removed or the

area is nonhazardous before proceeding.

B

C

A

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