Allen-Bradley ControlNet Ex 1797-ACNR15 User manual

Publication 1797-5.14 - March 2004
Installation Instructions
ControlNet Ex Redundant Media Adapter
(Cat. No. 1797-ACNR15)
Important User Information
Solid state equipment has operational characteristics differing from those of
electromechanical equipment. Safety Guidelines for the Application, Installation and
Maintenance of Solid State Controls (Publication SGI-1.1 available from your local Rockwell
Automation sales office or online at http://www.ab.com/manuals/gi) describes some
important differences between solid state equipment and hard-wired electromechanical
devices. Because of this difference, and also because of the wide variety of uses for solid
state equipment, all persons responsible for applying this equipment must satisfy
themselves that each intended application of this equipment is acceptable.
In no event will Rockwell Automation, Inc. be responsible or liable for indirect or
consequential damages resulting from the use or application of this equipment.
The examples and diagrams in this manual are included solely for illustrative purposes.
Because of the many variables and requirements associated with any particular installation,
Rockwell Automation, Inc. cannot assume responsibility or liability for actual use based on
the examples and diagrams.
No patent liability is assumed by Rockwell Automation, Inc. with respect to use of
information, circuits, equipment, or software described in this manual.
Reproduction of the contents of this manual, in whole or in part, without written permission
of Rockwell Automation, Inc. is prohibited.
Throughout this manual we use notes to make you aware of safety considerations.
Allen-Bradley HMIs

2ControlNet Ex Redundant Media Adapter
Publication 1797-5.14 - March 2004
WARNING Identifies information about practices or circumstances that can cause an explosion in a
hazardous environment, which may lead to personal injury or death, property damage, or
economic loss.
IMPORTANT Identifies information that is critical for successful application and understanding of the
product.
ATTENTION Identifies information about practices or circumstances that can lead to personal injury or
death, property damage, or economic loss. Attentions help you:
•identify a hazard
•avoid a hazard
•recognize the consequence
SHOCK HAZARD Labels may be located on or inside the drive to alert people that dangerous voltage may
be present.
BURN HAZARD Labels may be located on or inside the drive to alert people that surfaces may be
dangerous temperatures.
Important User Information
PWR
1797-ACNR15
32
41408
1
2
3456
7
8
Do not remove unless
connecting a terminal
base unit.
9

ControlNet Ex Redundant Media Adapter 3
Publication 1797-5.14 - March 2004
Use the redundant media adapter module to connect FLEX ExTM modules to
the ControlNetTM Ex network.
ATTENTION Environment and Enclosure
This equipment is considered Group 1, Class A industrial
equipment according to IEC/CISPR Publication 11. Without
appropriate precautions, there may be potential difficulties
ensuring electromagnetic compatibility in other environments
due to conducted as well as radiated disturbance.
This equipment is supplies as “open type” equipment. It must
be mounted within an enclosure that is suitably designed for
those specific environmental conditions that will be present and
appropriately designed to prevent personal injury resulting from
accessibility to live parts. The interior of the enclosure must be
accessible only by the use of a tool. Subsequent sections of this
publication may contain additional information regarding
specific enclosure type ratings that are required to comply with
certain product safety certifications.
Component Identification
1Indicators
2Label
3ControlNet Ex tap drop BNC connector channel A with insulator boot
4ControlNet Ex tap drop BNC connector channel B with insulator boot
5Module locking tab
6Removable power connectors
7Backplane connector
8Backplane connector cover
9Node address push switch
Allen-Bradley HMIs

4ControlNet Ex Redundant Media Adapter
Publication 1797-5.14 - March 2004
Module Installation
This adapter must not be exposed to the environment. Provide a suitable
metal enclosure. This adapter has a protection factor of IP20.
Make certain that you only connect ControlNet Ex adapters to other
intrinsically safe system modules to maintain the integrity of the
intrinsically-safe backplane.
1. Position the ControlNet Ex adapter module (A) on a 35 x 7.5mm
DIN rail (B) (A-B pt. no. 199-DR1) at a slight angle.
2. Hook the lip on the rear of the adapter (A) onto the top of the DIN
rail (B), and rotate the module onto the rail.
3. Press the adapter module down onto the DIN rail until flush.
4. The locking tab (C) should snap into position and lock the adapter
module to the DIN rail.
ATTENTION This product is grounded through the DIN rail to the dedicated
intrinsic safety ground. Use zinc plated yellow-chromate steel
DIN rail to assure proper grounding. The use of other DIN rail
materials (e.g. aluminum, plastic, etc.) that can corrode, oxidize,
or are poor conductors, can result in improper or intermittent
grounding.
41307
PWR
PWR
1797-ACNR15
32
32
A
B
C
41409

ControlNet Ex Redundant Media Adapter 5
Publication 1797-5.14 - March 2004
5. If the adapter does not snap into position, use a screwdriver or similar
device to move the locking tab down while pressing the adapter
module flush onto the DIN rail. Release the locking tab to lock the
module in place.
6. If necessary, push up on the locking tab to lock.
7. Connect the adapter wiring as shown under “Wiring” later in this
document.
Mounting (or Replacing) the Adapter on an Existing System
1. Disconnect the BNC connectors from the front of the ControlNet Ex
adapter.
2. Remove the front power plug from the ControlNet Ex adapter.
3. Remove the I/O module from the terminal base unit that is to the
immediate right of the ControlNet Ex adapter.
4. Push the flexbus connector toward the right side of the terminal base
to unplug the backplane connection.
5. Release the locking tab and remove the adapter.
6. Remove the backplane connector cover from the adapter.
ATTENTION Make certain that the flexbus connector is completely clear of
the adapter. The slide must be completely to the right and the
raised spot on the slide visible.
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6ControlNet Ex Redundant Media Adapter
Publication 1797-5.14 - March 2004
7. Before installing the new adapter, notice the notch on the right rear of
the adapter.
This notch accepts the hook on the terminal base unit. The notch is
open at the bottom. The hook and adjacent connection point keep the
terminal base and adapter tight together, reducing the possibility of a
break in communication over the backplane.
8. Complete the adapter mounting as shown below.
9. If the adapter module does not lock in place, use a screwdriver or
similar device to move the locking tab (C) down while pressing the
adapter module flush onto the DIN rail. Then release the locking tab
to lock the adapter module in place.
10. If necessary, push up on the locking tab to lock.
11. Reinstall the I/O module into the terminal base unit.
12. Make sure the last terminal base has its right-side flexbus connector
cover in place.
ATTENTION Make certain that the hook on the terminal base is properly
hooked into the adapter. Failure to lock the hook into the
adjacent base/adapter can result in loss of communication on
the backplane.
40564
41410
Push down and in at the
same time to lock the
adapter to the DIN rail.
When the adapter is locked onto the DIN
rail, gently push the flexbus connector into
the adapter to complete the backplane.
C

ControlNet Ex Redundant Media Adapter 7
Publication 1797-5.14 - March 2004
Installation in Zone 1
The adapter must not be exposed to the environment. Provide a suitable
metal enclosure. The adapter has a protection factor of IP20.
Installation in Zone 22
When the adapter is installed in Zone 22, the following cabinets must be used:
IVK-ISRPI-V16LC; IVK-ISRPI-V8HYW; or IVK-ISRPI-V8LC. These
cabinets can be purchased from:
Pepperl+Fuchs GmbH
Konigsberger Allee 85-87, D-68307
Mannheim, Germany
Attn: PA Sales Dept.
Kirsten Becker
Telephone [phone]
www.pepperl-fuchs.com
The IS-RPI cabinets (type IVK2-ISRPI-V8LC, IVK2-ISRPI-V8HYW, or
IVK2-ISPRI-V16LC) ensures the basic protection for the intrinsically safe
apparatus of the IS-RPI system for use in Zone 22. It corresponds with
category 3D according to RL 94/9 EG and with the type label marked with
the following information:
Pepperl+Fuchs GmbH
68301 Mannheim
IVK2-ISRPI-V8LC (or IVK2-ISRPI-V8HYW or
IVK2-ISRPI-V16LC)
II 3D IP54 T 70°C
CE
Serial (manufacturing) number
Model
WARNING The adapter cannot be used in an intrinsically safe environment
after they have been exposed to non-intrinsically safe signals.
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8ControlNet Ex Redundant Media Adapter
Publication 1797-5.14 - March 2004
Electrostatic Charge
Protect the system against electrostatic charge. Post a sign near this adapter:
Attention! Avoid electrostatic charge. For your convenience, a sign which
can be cut out is included in this installation instruction.
European Community (EC) Directive Compliance
If this product has the CE mark it is approved for installation within the
European Community or EEA regions. It has been designed and tested to
meet the following directives.
EMC Directive
These products are tested to meet the Council Directive 89/336/EEC
Electromagnetic Compatibility (EMC) as amended by 92/31/EC and
93/68/EEC, by applying the following standards:
•EN 61000-6-4:2001, Electromagnetic Compatibility (EMC) - Part 6-4:
Generic Standard for Industrial Environments (Class A)
•EN 61000-6-2:2001, Electromagnetic Compatibility (EMC) - Part 6-2:
Generic Standards - Immunity for Industrial Environments
•EN61326-1997 + A1-A2, Electrical Equipment For Measurement,
Control, and Laboratory Use - Industrial EMC Requirements

ControlNet Ex Redundant Media Adapter 9
Publication 1797-5.14 - March 2004
ATEX Directive
These products are tested in conjunction with associated I/O modules to
meet the Council Directive 94/9/EC (ATEX) Equipment and Protective
Systems Intended for Use in Potentially Explosive Atmospheres by applying
the following standards:
•EN50014:1997 + A1-A2, Electrical Apparatus for Potentially
Explosive Atmospheres
•EN50020:1994, Electrical Apparatus for Potentially Explosive
Atmospheres - Intrinsic Safety “i”
UL, C-UL Compliance
If this product has the UL/C-UL mark, it has been designed, evaluated,
tested, and certified to meet the following relevant standards:
•UL 913, 1988, Intrinsically Safe Apparatus and Associated Apparatus
for Use in Class I, II, and III Division 1, Hazardous (Classified)
Locations
•UL 1203, Explosion-Proof and Dust-Ignition-Proof Electrical
Equipment for Use in Hazardous (Classified) Locations
•UL 2279, Electrical Equipment for Use in Class I, Zone 0, 1, and 2
Hazardous (Classified) Locations
•UL 508, Industrial Control Equipment
•CSA C22.2 No. 157-92, Intrinsically Safe and Non-Incendive
Equipment for Use in Hazardous Locations
•CSA C22.2 No. 30-M1986, Explosion-Proof Enclosures for Use in
Class I Hazardous Locations
•CSA-E79-0-95, Electrical Apparatus for Explosive Gas Atmospheres,
Part 0: General Requirements
•CSA-E79-11-95, Electrical Apparatus for Explosive Gas
Atmospheres, Part 11: Intrinsic Safety “i”
•CSA C22.2 No. 14-95, Industrial Control Equipment
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10 ControlNet Ex Redundant Media Adapter
Publication 1797-5.14 - March 2004
FM Compliance
If this product has the FM mark, it has been designed, evaluated, tested, and
certified to meet the following standards:
•FM C1. No.3600:1998, Electrical Equipment for Use in Hazardous
(Classified) Locations General Requirements
•FM C1. No.3610:1999, Intrinsically Safe Apparatus and Associated
Apparatus for Use in Class I, II, III Division 1 Hazardous (Classified)
Locations
•FM C1. No.3615:1989, Explosionproof Electrical Equipment General
Requirements
•FM C1. No.3810:1989, 1995, Electrical and Electronic Test,
Measuring and Process Control Equipment
•ANSI/NEMA 250, 1991, Enclosures for Electrical Equipment
Inputs/Outputs
Do not apply any non-intrinsically safe signals to the adapter.
When using as an intrinsically safe electrical apparatus according to EN50020,
the European directives and regulations must be followed.
40055
power
supply
+V
-V
channel A
channel B
network
uC uC
dual
port
RAM
bus flexbus

ControlNet Ex Redundant Media Adapter 11
Publication 1797-5.14 - March 2004
ControlNet Ex Adapter Operation
The ControlNet Ex adapter combined with FLEX Ex output modules
provides a two-tier fault state mechanism. It is important to consider and
understand the operation of this mechanism when designing your system.
Two sets of programmable fault states are available, one each in the adapter
and output module. This two-tier method is meant to give you a wider fault
coverage compared with normal methods.
Network Communication Monitoring
The adapter is the primary monitor of network activity. If it detects loss of
network communication, it can be programmed to:
•continue writing the last valid received data to the module (hold last
state)
•apply local module safe states(1)
•write a programmable fault state value to the module, depending upon
the module type
This mechanism primarily targets fault behavior for loss of network
communication.
Program Mode Behavior
The adapter also monitors the state of the controlling processor or scanner.
Two states can be detected: run mode and program mode (idle).
When run mode is detected, the adapter writes the output data received from
the processor to the corresponding module output.
When program mode is detected, the adapter can be configured to:
•continue writing the last valid received data to the module (hold last
state)
•apply local module safe states to zero(1)
•write a programmable fault state value to the module, depending upon
the module type
(1) This selection is shown as “Reset Outputs” in RSNetWorx but its action is “Apply Local Module Safe
States”. Allen-Bradley HMIs

12 ControlNet Ex Redundant Media Adapter
Publication 1797-5.14 - March 2004
FLEX Ex Output Module Operation
Flexbus Communication Monitoring
The module monitors flexbus communication activity and the state of its
Output Enable bit. If it detects loss of flexbus communication activity or the
Output Enable bit transitioning to 0, it can be programmed to:
•continue writing the last valid received data to the outputs (hold last
state)
•reset the outputs
•write the local module fault state value to the output, depending upon
the module type
This mechanism primarily targets fault behavior for loss of backplane
communication.
Power-Up State Behavior
The system and modules use the Output Enable bit at system power-up. The
power-up state of the Output Enable bit is 0 and must be transitioned to 1
through application program control to initialize activity of a module’s
outputs.
Before the Output Enable bit is transitioned to 1, module outputs remain off.
Once the initial power-up and application-program control transitions the
Output Enable bit to 1, and module output activity begins, subsequent
transitions of the Output Enable bit by any source will cause the output
module to apply the local module fault state.

ControlNet Ex Redundant Media Adapter 13
Publication 1797-5.14 - March 2004
Wiring
1. Connect the ControlNet Ex tap drop cable to connector, terminal A
after removing the insulator boot.
2. Connect the redundant ControlNet Ex tap drop cable to connector B
after removing the insulator boot.
ATTENTION When connecting wiring, torque terminal screws to 5-7
inch-pounds (0.8 - 1Nm).
WARNING Make certain that you power this adapter with an intrinsically
safe power supply. Do not exceed the values listed in the
specifications for this adapter.
If you connect or disconnect wiring while the field-side power is
on, 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.
IMPORTANT The tap drop BNC must also have its insulator ring in position
when inserted.
IMPORTANT The tap drop BNC must also have its insulator ring in position
when inserted.
Only remove the BNC covers if the ControlNet Ex tap drop
cable is installed.
PWR
1797-ACNR15
32
ABG
CE
DF
41411
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14 ControlNet Ex Redundant Media Adapter
Publication 1797-5.14 - March 2004
3. Apply +V and -V power to the adapter through a removable terminal
block.
Screw terminals and spring terminals are provided.
4. Strip the +V and -V wires to a length so no bare conductor shows
after inserting the wires into position (+V, -V).
5. If you are using the spring terminals of the plug, insert a screwdriver
into the slot and carefully pry until the spring clamp opens to accept the
wire.
6. Set the network address using the 2-position push-switch G.
Valid settings range from 01 to 99. Press either the + or - buttons to
change the number.
WARNING Do not remove or replace an adapter when power is applied.
Interruption of the bus can result in unintended operation or
machine motion.
Do not use any unused terminals on this adapter. Using these
terminals as supporting terminals can result in damage to the
module and/or unintended operation of your system.
Make certain that you power this adapter with an intrinsically
safe power supply. Do not exceed the values listed in the
specifications for this adapter.
+V -V +V -V
+V -V +V -V
41297

ControlNet Ex Redundant Media Adapter 15
Publication 1797-5.14 - March 2004
Describing the ControlNet Ex System Diagrams
A maximum of 48 ControlNet ExTM nodes may be connected together by
250m of coax cable and 48 taps. The distance increases to 1000m when you
use only 2 taps. See the table below for more information.
The fiber media of the 1797-RPFM can be installed in a hazardous location
(Zone 0, 1 or 2; Class I, Zones 0, 1, and 2; Class I, Division 1 and 2; Class II,
Division 1 and 2; Class III, Division 1 and 2) to connect two 1797-RPFM
modules or they can be installed through different locations into the
non-hazardous location to connect the 1797-RPFM with any approved
associated apparatus.
All cables and fiber media that are not light blue must be marked as IS using
the 1797-EXMK marking kit or other locally approved IS identification
and/or segregation method.
During the installation of the ControlNet Ex system, all metallic parts must be
isolated to prevent an earth connection (high voltage withstanding of isolating
material must be > 500V ac).
System
Diagram Name
Catalog
Number
Catalog Name Description
1797-RPA 1797-RPA ControlNet Ex
Modular Repeater
Adapter
Represents one ControlNet Ex
node and must be connected
to a coax trunk cable by
1797-TPx
1797-RPFM 1797-RPFM ControlNet Ex Fiber
Repeater Module,
Medium Distance
Allows connection of a
maximum of two devices per
1797-RPA and is powered
directly by 1797-RPA
1797-ACNR15 1797-ACNR15 Redundant Media
ControlNet Ex
Adapter
Represents one ControlNet Ex
node and must be connected
to a coax trunk cable by
1797-TPx -each one with two
redundant output channels
that are connected to different
ControlNet Ex networks (coax
cables and 1797-TPx)
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16 ControlNet Ex Redundant Media Adapter
Publication 1797-5.14 - March 2004
CNet Ex Tap Trm 1797-TCAP ControlNet Ex Tap
(Dummy) Terminator
Represents one ControlNet Ex
node and is a simple capacitor
(56pF) with a coax connector
ControlNet Ex
Tap
1797-TPx ControlNet Ex Coax
Tap
Four types of connections
available: S (straight t-tap), R
(right angle t-tap), YS (straight
y-tap), and YR (right angle
y-tap) - a maximum of 48 taps
can be connected together by
coax trunk cable
CNet Ex Trk Trm 1797-XT ControlNet Ex Trunk
Terminator
Simple resistor (75Ω) with
coax connector that must be
on each end of the ControlNet
Ex coax trunk for termination
Coax Trunk Cable 1797-RG6 Quad-Shield, RG-6
75ΩCoax Trunk
Cable
Maximum (functional) length
between 2 1797-TPx is 3280ft
(1000m) - each 1797-TPx
reduces the (functional) coax
cable length by 53.4ft (16.3m)
None None Standard Coax Trunk
Cable BNC Couplers
Different standard cable
couplers, 90o, 180o, etc.
System
Diagram Name
Catalog
Number
Catalog Name Description

ControlNet Ex Redundant Media Adapter 17
Publication 1797-5.14 - March 2004
Certified Equivalent ControlNet Ex System Diagram Items
You may use these items as equivalents for the items shown on the system
diagram.
System Diagram Name Catalog Number Source
1797-RPA 1797-RPA Allen-Bradley
1797-RPFM 1797-RPFM Allen-Bradley
1797-ACNR15 1797-ACNR15 Allen-Bradley
Coax Trunk Cable11797-RG6 Allen-Bradley
3092A2Belden Wire & Cable Co.
3092A with blue jacket Belden Wire & Cable Co.
ControlNet Ex Tap 1797-TPx Allen-Bradley
CNet Ex Trk Trm 1797-XT Allen-Bradley
CNet Ex Tap Trm 1797-TCAP Allen-Bradley
1 In addition to these cable types, the following specification can be followed to allow additional
types:
Cable Impedance = 75Ω+ 3Ω
Cable Capacitance = <6nF per 100m
Cable Resistance = >9.08Ωper 100m
Cable Attenuation 0.2MHz >0.93dB/100m 5MHz >1.39dB/100m
(-20 to +70oC) 0.5MHz >0.95dB/100m 10MHz >1.86dB/100m
1MHz >1.07dB/100m 20MHz >2.73dB/100m
2MHz >1.16dB/100m 50MHz >4.33dB/100m
2 Belden Wire & Cable 1189A may be used, but with functional loss of communication distance
and/or nodes.
Allen-Bradley HMIs

18 ControlNet Ex Redundant Media Adapter
Publication 1797-5.14 - March 2004
Certification Specific ControlNet Ex System Diagrams
The following pages include certification specific ControlNet Ex system
diagrams and notes pertaining to these diagrams. Select either CENELEC,
UL, C-UL, or FM and follow the requirements of that diagram as you
configure and install your system.
CENELEC Installation Label
A label with this system marking must be attached near the main components
of the system. If the system is installed in a cabinet, this label must be fixed
inside the cabinet.
CENELEC 1797-ACNR15 I/O Entity Parameters
Terminals Uo(V) Io(mA) Groups Co(µF) Lo(µH)
Male Bus
Connector
5.4 400 IIB/IIC 65 10
0102
ControlNet Ex System
Allen-Bradley
Attention!
Avoid electrostatic charging!
-200C <= Ambient Temperature <= +700C
1 Allen-Bradley Dr.
Mayfield Hts., OH USA
DMT 99 ATEX E 065 X
II (1) 2G SYST EEx ia/ib IIB/C T4

ControlNet Ex Redundant Media Adapter 19
Publication 1797-5.14 - March 2004
CENELEC ControlNet Ex System Diagram
1
.
.
.
.
.
.
.
..
.
.
.
.
.
.
.
CNet Ex trk trm
30670-M
ControlNet Ex
tap
Safe Area
Hazardous Area
Zone 0
Node 1
ControlNet Ex
tap
ControlNet Ex
tap
ControlNet Ex tap
CNet Ex tap trm Ci<68pF
Li negl.
ChB Uo=5.4V, Io=160mA, F-3>500kHz
Flexbus
Uo=5.4V,
Io=400mA, Po=2.16W,
Co=65µF,
Lo=10µH
Ch0
fiber
The Coax Trunk Cable is permitted to have a minimum length of 1,000m with only 2 connected ControlNet Ex Taps dropping to only 250m with the maximum allowed connected ControlNet Ex Taps of 48.
Node 4 ... 48
Node 3
The ControlNet Ex System is an intrinsically safe system according to EN 50039. When installing the system, the certificate of conformity and the national installation regulations must be heeded. The components of the ControlNet Ex system and the interconnections are shown on the installation drawing (A-B Pub. 1797-6.5.6).
For the transmittal between the safe area and the hazardous area only optical glass-fibers are permitted. The diameter of a single glass-fiber must be >6um. The power density of the transmitter diode must be <5mW/mm2
Protect the system against electrostatic charge. Post a sign near the main components of the system: Attention! Avoid electrostatic charge.
1797-ACNR15/* or RSD-GW-Ex2.CN
1797-ACNR15/* or RSD-GW-Ex2.CN
Flexbus
Uo=5.4V,
Io=400mA, Po=2.16W,
Co=65µF,
Lo=10µH
Power Supply
Ui=9.5V,
Ii=1A,
Ci=<120nF,
Li=negligible
ChA Uo=5.4V, Io=160mA, F-3>500kHz
Power Supply
Ui=9.5V,
Ii=1A,
Ci=<120nF,
Li=negligible
ChB Uo=5.4V, Io=160mA, F-3>500kHz
ChA Uo=5.4V, Io=160mA, F-3>500kHz
75 Ohm 1W Ci negl. Li negl.
The ambient temperature range of the ControlNet Ex system is -20 to +70oC.
Near the main components of the system a plate with the system marking must be attached. If the system is installed in a cabinet the plate must be fixed on the inside of the cabinet door.
*RG6-CNet is defined as: Cable Impedance=75 Ohm + or -3 Ohm
Cable Capacitance<6nF per 100m
Cable Resistance>9.08 Ohm per 100m Cable Attenuation (-20to+70oC) 0.2MHz > 0.93dB/100m 5MHz > 1.39dB/100m
0.5MHz > 0.95dB/100m 10MHz >1.86dB/100m
1MHz > 1.07dB/100m 20MHz > 2.73dB/100m
2MHz > 1.16dB
/
100m 50MHz > 4.33dB
/
100m
coax trunk cable
coax trunk cable
Cable type 1189A,
3092A, or 3092A Blue
from manufacturer
Belden Wire or type
RG6-CNet*
CNet Ex trk trm
75 Ohm 1W Ci negl. Li negl.
Ci < 60pF
Li < 560nH
Li < 1100uH Li < 1100uH
Node 2
1797-RPA/* or RSD-CFA-Ex.CN
1797-RPFM/* or RSD-FC-Ex2.CN 3km
1797-RPFM/* or RSD-FC-Ex2.CN 3km
Ch0
fiber
Ch1
fiber
Ch1
fiber
Power Supply
Ui=9.5V,
Ii=1A,
Ci=<120nF,
Li=negligible
Uo=5.4V, Io=201mA, F-3>500kHz
Hazardous Area Zone 0
Allen-Bradley HMIs

20 ControlNet Ex Redundant Media Adapter
Publication 1797-5.14 - March 2004
UL, C-UL ControlNet Ex System Diagram
.
1
.
.
.
.
.
..
.
.
.
.
..
.
1
CNet Ex trk trm
30670-M
ControlNet Ex
tap
CNet Ex trk trm
Hazardous (Classified) Location
Class I, Zones 1 and 2, Groups IIC, IIB, IIA
Class I Division 1 and 2, Groups A, B, C, D
Class II, Division 1 and 2, Groups E, F, G
Class III, Division 1 and 2
Non-Hazardous
Location
1786-RPFM
or
any associated
apparatus where the light
emitting diode output
is <5mW/mm2
Hazardous (Classified)
Location
Zone 0, 1 or 2, IIC
Class I, Zones 0, 1 and 2,
Groups IIC, IIB, IIA
Class I Division 1 and 2,
Groups A, B, C, D
Class II, Division 1 and 2,
Groups E, F, G
Class III, Division 1 and 2
Hazardous (Classified) Location
Zone 1 or 2, IIC
Class I, Zones 1 and 2, Groups IIC, IIB, IIA
Class I Division 1 and 2, Groups A, B, C, D
fiber optic cable
any IS device with entity concept parameters Vmax,
Imax Ci, Li) appropriate for
connection to associated apparatus with entity concept parameters listed in Table 1. Maximum devices=8.
Node 1
ControlNet Ex
tap
ControlNet Ex
tap
ControlNet Ex
tap
CNet Ex tap trm
coax trunk cable
ChBChA
1
ChA ChB
any IS device with entity concept parameters Vmax, Imax Ci, Li) appropriate for
connection to associated apparatus with entity concept parameters listed in Table 1. Maximum devices=8.
To any approved device or associated apparatus with Entity Concept parameters of Voc=9.5V
and Isc=1A
Power Supply Vmax=9.5V, Imax=1A, Ci<120nF,
Li=0
coax trunk cable
Ch1
Ch1
The ambient temperature range of the ControlNet Ex system is -20 to +70oC.
3
Node 4 ... 48 1797-ACNR15
Node 3
1797-ACNR15
Node 2
1797-RPA 1797-RPFM 1797-RPFM
1
2
2
1
54
2
2
To any approved device or associated apparatus with Entity Concept parameters of Voc=9.5V
and Isc=1A
1
Power Supply Vmax=9.5V, Imax=1A, Ci<120nF, Li=0
Ch0
Ch0
Power Supply Vmax=9.5V, Imax=1A, Ci<120nF, Li=0
To any approved device or associated apparatus with Entity Concept parameters of Voc<9.5V and Isc<1A
1
2