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Effective 11/2003
Page 26
I.L. 66A7535H02
4.2.6 Digital Relay Accessory Module
A Digital Relay Accessory Module is a separate device
that is programmed via the Digitrip 1150V via ACCBUS
menu. Available module addresses are 1 through 4. Each
module has four form C relay contacts numbered 1 through
4. Programmable relay functions (RLY FUNC) for each
relay include AUX, ALRM, BELL, DEAD, WATCH, LDT,
SDT, INST, GND,HLAlm,GFAlm and OFF. See Appendix F
for definitions of these settings.These options may be
saved for any combination of relay functions and ad-
dresses. The Digitrip 1150V acts as a master to its
Accessory Bus network and will light a green LED located
in the upper right corner of the trip unit when transmitting
(See Figure 1.1 and also Appendix H).
The AUX function can be used as a breaker auxiliary
switch in application. BELL will initiate on any “protection”
trip and can be used as a breaker bell alarm trip function.
The INST function will drive the Accessory Relay when an
instantaneous trip is encountered. Similarly LDT function
will drive the relay on a breaker Long Time trip and SDT for
a Short Time trip. The GFT (Ground Fault) will operate the
Accessory Relay on a ground trip. High Load alarm will
activate with the HLAlm setting. GFAlm is for a Ground
Fault Alarm function. ALRM (alarm) will drive the Digital
Relay in the same way as the assignments of Relay A.
The one exception is the Accessory Bus relay will not
function as a Pulse Initiator. The WATCH (watchdog)
function, when programmed, can provide a status monitor
of the Digitrip 1150V energizing the programmed relay and
will drop out if an abnormal condition exists within the
Digitrip or if auxiliary power is low voltage. The DEAD
(deadman) function, when programmed, will pick up the
relay if the Module is communicating properly with the
Digitrip 1150V. It will drop out if the Module is not commu-
nicating properly. This function should be assigned to the
last physical Module in a wiring lineup to verify the
integrity of the wiring.
4.2.7 TripLink
TripLink is a means of transferring settings from one
breaker to another. TripLink transfers all protection settings
and time and date, and the breaker’s circuit data. The
transfer of these settings may be useful for cloning a lineup
of breakers, cloning a breaker’s settings for replacing the
breaker with its clone for maintenance purposes, or for
making common settings for a test program.
All INCOM settings including INCOM ADDRESS is
transferred via TripLink. An INCOM network does require a
unique address so the address may later have to be
changed.
The procedure requires a TripLink cable to provide commu-
nication between breakers. The connector with the labeled
end must be plugged into the breaker that will receive the
settings
(See Figure 4.9)
. This cable must be plugged into
the Test Kit pins on the lower left-hand corner on both
breakers and both units must be powered up for the
setting transfer to be successful. If power is not available,
then use separate Auxiliary Power Module Cat. No.
#PRTAAPM and energize the unit by plugging keyed
connector into upper right corner of the Digitrip 1150V
(See
Figures: 1.1, 3.2 or 3.3).
NOTE:
A TripLink cable when installed will disconnect that
unit from the INCOM communication network.
4.2.7.1 Preliminary Requirements
1. Both units must be Digitrip 1150V and both must have
the same Catalog (cat.) number, plug ampere rating for a
successful transfer.
NOTE:
It is recommended that both the sending and
receiving units be the same firmware revision.
2. To send settings, the receiving breaker must be in open
state and without line voltage on the VT input secondary
terminals.
4.2.7.2 Transfer Procedure
NOTE:
It is important to realize that the transfer must be
performed from the RECEIVING breaker. (The breaker with
the white connector marked “This unit to receive
setpoints”).
In the Program TripLink menu, if all preliminary require-
ments are met, the Digitrip 1150V display on the receiving
breaker will read “THIS UNIT TO RECEIVE.” Otherwise, an
error message will appear reading “TripLink CONFIG
ERROR” and the display will return to Program Settings
menu.
If the breakers meet the preliminary requirements, the user
will be prompted to “PRESS SAVE TO LEARN.” When
Save is pressed, settings will transfer and a “LOADING”
message will appear on the display screen. Transfer will
be confirmed if successful with a “TripLink TRANSFER
COMPLETE” message. Otherwise, “TripLink TRANSFER
ERROR” will appear on the display.
In the event of TripLink Configuration Error, check all
preliminary requirements as well as the TripLink cable
connections. Also ensure that transfer is being initiated
and performed on the receiving breaker.