IL01301035-ED-IZMX-PROFIBUS-DP.pdf

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Instruction Lealet IL01301035E
effective March 2011
Series NRX
Installation instructions for Series
NRX PROFIBUS DP communications
adapter module
Instructions apply to:
Series NRX, Type RF Frame
IEC, IZMX40
Series NRX, Type NF Frame
ANSI, UL1066, UL489 / IEC, IZMX16, IZM91
WARNING
(1) ONLY QUALIFIED ELECTRICAL PERSONNEL SHOULD BE PERMITTED TO WORK
ON THE EQUIPMENT.
(2) ALWAYS DE-ENERGIZE PRIMARY AND SECONDARY CIRCUITS IF A CIRCUIT
BREAKER CANNOT BE REMOVED TO A SAFE WORK LOCATION.
(3) DRAWOUT CIRCUIT BREAKERS SHOULD BE LEVERED (RACKED) OUT TO THE
DISCONNECT POSITION.
(4) ALL CIRCUIT BREAKERS SHOULD BE SWITCHED TO THE OFF POSITION AND
MECHANISM SPRINGS DISCHARGED.
FAILURE TO FOLLOW THESE STEPS FOR ALL PROCEDURES DESCRIBED IN THIS
INSTRUCTION LEAFLET COULD RESULT IN DEATH, BODILY INJURY, OR PROPERTY
DAMAGE.
WARNING
THE INSTRUCTIONS CONTAINED IN THIS IL AND ON PRODUCT LABELS HAVE TO
BE FOLLOWED. OBSERVE THE FIVE SAFETY RULES:
– DISCONNECTING
– ENSURE THAT DEVICES CANNOT BE ACCIDENTALLY RESTARTED
– VERIFY ISOLATION FROM THE SUPPLY
– EARTHING AND SHORT-CIRCUITING
– COVERING OR PROVIDING BARRIERS TO ADJACENT LIVE PARTS
DISCONNECT THE EQUIPMENT FROM THE SUPPLY. USE ONLY AUTHORIZED
SPARE PARTS IN THE REPAIR OF THE EQUIPMENT. THE SPECIFIED MAINTENANCE
INTERVALS AS WELL AS THE INSTRUCTIONS FOR REPAIR AND EXCHANGE MUST
BE STRICTLY ADHERED TO PREVENT INJURY TO PERSONNEL AND DAMAGE TO
THE SWITCHBOARD.
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Instructional Lealet IL01301035E
effective March 2011
Installation instructions for Series NRX
PROFIBUS DP communications
adapter module
Section 1: General information
The Series NRX ® PROFIBUS ® DP Communications Adapter
Module (PCAM) ( Figure 1 ) is an accessory that will operate as a
communicating device in conjunction with a compatible Series NRX
trip unit/breaker in a master communications network ( Figure 2 ).
The PCAM communicates to a PROFIBUS DP network master using
the PROFIBUS-DP-V0 protocol.
The PROFIBUS DP communications adapter module is a slave
device and as such requires a master device for control command
initiation. Each PROFIBUS DP communications adapter module
provides:
• Circuit breaker open/close/reset control
• Series NRX trip unit source/residual ground selection (if applicable)
• Flashing Status LED indicating module has power
• PROFIBUS DP communication enable/disable selection jumper for
remote open/close control
• DIN rail mounting (11 mm H, 28 mm W DIN rail minimum require-
ment)
• Input power for module from 24 Vdc
The PROFIBUS DP communications adapter module is designed
to be installed, operated, and maintained by adequately trained
people. These instructions do not cover all details or variations of
the equipment for its storage, delivery, installation, checkout, safe
operation, or maintenance.
If you have any questions or need additional information or
instructions, please contact your local Eaton representative or visit
www.eaton.com.
Section 2: Installation of PROFIBUS DP com-
munications adapter module
oteN Many illustrations use the NF Frame circuit breaker for illustrative
purposes only. The RF Frame circuit breaker is handled in a similar fashion.
The following steps outline the installation procedure for a Series
NRX PROFIBUS DP communications adapter module in a drawout
circuit breaker configuration only. For fixed-mounted circuit breakers,
a separate DIN rail mounting configuration is preferred. Please
contact Eaton for additional information.
Figure 1. Series NRX PROFIBUS DP Communications Adapter
Module
Communications
Network
Master
Device
The following tools should be available:
• #T-15 Torx
• Small flat blade screwdriver
For drawout circuit breakers, secondary terminal blocks as well
as the PROFIBUS DP communications adapter module are DIN
rail mounted on the top front portion of the drawout cassette. The
module is designed to install or replace the four terminal blocks
(eight contacts in total) at secondary contacts 19–26 for both NF and
RF Frames.. Refer to the master connection diagram that can be
found in the breaker instruction manual. For additional information
relative to secondary terminal block installation and/or removal
beyond that which is presented in this section, refer to IL01301037E.
Proceed with the following seven steps:
Step 1: Using a T-15 Torx, remove the four mounting screws holding the
terminal block alignment bracket in place. For the RF Frame this is the
left terminal block group when facing the front of the breaker.
PCAM
Module
1
PCAM
Module
2
PCAM
Module
3
Series
NRX
Breaker
Series
NRX
Breaker
Series
NRX
Breaker
Figure 2. PROFIBUS DP Communications Adapter Modules
in a PROFIBUS DP Network
2
EATON CORPORATION www.eaton.com
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Installation instructions for Series NRX
PROFIBUS DP communications
adapter module
Instructional Lealet IL01301035E
effective March 2011
Step 4: Repeat the same procedure performed in Step 3 to remove
terminal blocks at locations 21/22, 23/24, and 25/26.
oteN The extra DIN rail mounting screw located in the space where the four
terminal blocks were mounted may need to be removed to allow the unit’s
pogo pin ground to properly hit the metal DIN rail.
Figure 3. Step 1
Step 2: Carefully slide the alignment bracket out from between any
mounted terminal blocks and put it aside with its mounting hardware
for re-installment after the communications adapter module is
connected to the DIN rail.
Mounting Screw
Figure 6. Step 4
Step 5: Tilt the communications module forward to engage the
upper part of the DIN rail, and then snap it back into the DIN rail for
complete engagement.
Figure 4. Step 2
Figure 7. Step 5
Step 3: Remove the terminal block in location 19/20 by inserting a
small screwdriver in the recessed area in the top front of the terminal
block as shown, and gently pry down to release and remove the
block from the DIN rail.
Step 6: Carefully slide the terminal block alignment bracket back into
position. Before securing the bracket in place, inspect it from
the bottom to ensure that the teeth on the bracket separate
each individual terminal block. One installed terminal block
only should be visible between two teeth when the alignment
bracket is properly positioned. Secure the terminal block alignment
bracket using the four screws previously removed. Hand tighten the
four mounting screws.
Figure 5. Step 3
3
EATON CORPORATION www.eaton.com
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Instructional Lealet IL01301035E
effective March 2011
Installation instructions for Series NRX
PROFIBUS DP communications
adapter module
Section 4: PROFIBUS DP communications
module connections
WARNING
ALL APPLICABLE SAFETY CODES, SAFETY STANDARDS, AND SAFETY
REGULATIONS MUST BE STRICTLY ADHERED TO WHEN INSTALLING,
OPERATING, OR MAINTAINING THIS EQUIPMENT. FAILURE TO COMPLY
COULD RESULT IN DEATH, BODILY INJURY, OR PROPERTY DAMAGE.
For installation specifics, refer to Figure 3 and Figure 4 on page 2
and page 3 respectively for wiring diagrams, as well as pin-out Table
1 (power connections) and Table 2 (PROFIBUS DP connections).
Figure 8. Step 6
Table 1. Power Connector Pin-Outs j
Pin Number Input Signal
1 24 Vdc +
2 24 Vdc –
3 Control signal common
4 Control open signal
5 Control close signal
1 Module power uses a 5-pin input connector. Power requirement is 24 Vdc, 10 watts.
Step 7: A mounted communications module appears as shown
and the installation procedure is complete. The module can now be
wired in keeping with the information presented in Section 3.
PROFIBUS DP RS-485 connector
This DB9 connector provides the interface to the PROFIBUS DP
RS-485 network. The polarity of the RxD/TxD data lines is “critically”
important. Refer to Table 2 .
Table 2. PROFIBUS DP RS-485 Connector Pin Outs
Pin No. Input/Output Signal
1 Shield j
2 M24 (ground for +24V output) j
3 RxD/TxD-P (B-dataline)
4 CNTR-P/RTS
5 DGND (data-ground)
6 VP (plus for 5V supply)
7 P24 (plus for 24V output) j
8 RxD/TxD-N (A-dataline)
9 CNTR-N j
1 PROFIBUS signals that are not connected on the PCAM.
Figure 9. Step 7
Section 3: PROFIBUS DP RS-485 network
wiring
Reference material pertaining to PROFIBUS can be obtained from
the http://PROFIBUS.com Web site. Refer to the PROFIBUS DP
standard for transmission using copper cables (RS-485). A 9-pin
D-SUB connector interface is provided.
4
EATON CORPORATION www.eaton.com
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Installation instructions for Series NRX
PROFIBUS DP communications
adapter module
Instructional Lealet IL01301035E
effective March 2011
Section 5: Jumpers and indicator LEDs
Refer to Figure 10 to become familiar with specific jumper and LED
locations on the PROFIBUS DP communications
adapter module.
LED will alternately flash red and green to signal a learning process
between both units. This automatic process will take approximately
15 seconds and occurs only once during the initial startup. The LED
will also flash red if the module is not connected to or unable to
communicate with a Series NRX trip unit.
PROFIBUS SYSFAULT LED (red)
The LED will be illuminated as described in Table 3 .
PROFIBUS BUSFAULT LED (red)
The LED will be illuminated as described in Table 3 .
Table 3. PROFIBUS DP LED States
SF
BF
PROFIBUS DP State
Off
Off
Everything OK
LEDs
Off
On
No communications
Off
Blinking
Communications, but not
in data exchange
On
On
Configuration not OK
Jumper
Plug for
Source
Ground
Sensing
PROFIBUS DP control jumper
This jumper provides the user with a means of enabling or disabling
remote communication control commands to the Series NRX trip
unit. With jumper placed in the ENABLE position, remote Open and
Close Breaker commands can be acted upon. With the jumper in the
DISABLE position, these commands will not be accepted.
Jumper Plugs for
Communicaton Control
Figure 10. Communications Adapter Module (Front View
Closeup)
Source/residual ground selection jumper
This jumper selects the protection configuration for Series NRX trip
units with ground fault protection or ground fault alarm functionality.
Consult Series NRX trip unit instructions (IL01301051E for Digitrip
520) for further information on ground sensing. This jumper is not
applicable and does not function for non-ground fault style trip units.
MicroController LED (Status)
This indicator will be flashing green whenever the module is
powered up and when the microprocessor is executing instructions.
When the Series NRX PROFIBUS DP communications adapter
module is connected to a Series NRX trip unit for the first time, this
5
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