SymCom MotorSaver Plus 777-P2-DEMO User manual
2880 North Plaza Drive, Rapid City, South Dakota 57702 8242 Loop Rd. Baldwinsville, NY 13027
(800) 843-8848 · (605) 348-5580 · fax (605) 348-5685 (800) 843-8848 · fax (605) 348-
5685
USER’S GUIDE
MODEL 777-P2-DEMO
AND OPTIONAL ACCESSORIES
ELECTRONIC OVERLOAD RELAY
II_777-P2-DEMO_A
Revision A
Rapid City, SD, USA, 11/2010
2 © 2010 SymCom, Inc. All Rights Reserved
TABLE OF CONTENTS
CONNECTIONS ................................................................................................................................ 3
PROGRAMMABLE PARAMETERS ................................................................................................. 6
PROGRAMMING EXAMPLES ........................................................................................................ 10
SYSTEM DISPLAY .......................................................................................................................... 11
TROUBLESHOOTING .................................................................................................................... 12
CLEARING LAST FAULT/RESETTING PARAMETERS ............................................................... 14
TAMPER GUARD ............................................................................................................................ 14
777-P2-DEMO SPECIFICATIONS ................................................................................................. 15
ACCESSORIES - CIO-EN-DEMO .................................................................................................. 17
ACCESSORIES – RM-2000-DEMO ............................................................................................... 18
ACCESSORIES – RM-1000-DEMO ............................................................................................... 19
© 2010 SymCom, Inc. All Rights Reserved 3
The 777-P2-DEMO is a demonstration-only model of the 777-P2 electronic overload relay. The 777-
P2-DEMO is designed to show the functions of a standard 777-P2.
The 777-P2-DEMO must be programmed in advance by supplying power with the 12VDC power
assembly that comes with the demo unit.
CONNECTIONS
The power adapter is included. Connect the power adapter cable to the 12VDC input on the side of
the 777-P2-DEMO as shown in Figure 1. The cable is keyed for proper installation. If the cable is
connected improperly, the 777-P2-DEMO will not power the display. Connect the AC-to-DC
converter to the adapter cable.
To connect a demonstration accessory, reference the instructions at the end of this document. Refer
to Figure 2 for connections.
Figure 1: AC to DC Power Converter Setup for 777-P2-DEMO
ATTENTION!
The optional demonstration accessories are not designed for use with a standard 777-P2. Do
not connect the CIO-EN-DEMO, RM-1000-DEMO, and RM-2000-DEMO to any unit other than
a 777-P2-DEMO or a 777-KW/HP-P2-DEMO.
4 © 2010 SymCom, Inc. All Rights Reserved
Figure 2: Network Diagram for Connecting Accessories to 777-P2-DEMO
© 2010 SymCom, Inc. All Rights Reserved 5
PROGRAMMING AND OPERATION
The 777-P2-DEMO and optional accessories must be programmed prior to first use. Select the
operating parameters by following the instructions below.
1. Rotate MODE SELECT to the parameter to be programmed. It is recommended that LV be
programmed first.
2. Press and hold the RESET/PROGRAM button.
3. While holding the RESET/PROGRAM button, rotate the DISPLAY/PROGRAM knob until the
proper setting for the parameter that is being programmed is displayed.
4. Release the RESET/PROGRAM button. This stores the new parameter in the nonvolatile
memory. If the number changes back to what it was before programming, then the tamper guard
is on and will need to be unlocked before programming can be completed (see Tamper Guard).
5. Move clockwise through the positions to complete the process. Continue steps 1-4 until all
parameters have been programmed.
6. To reset all parameters (except for Address and Communication Parameters) and to clear the
last fault history, see CLEARING LAST FAULT/RESETTING PARAMETERS section.
The operation of the Model 777-P2-DEMO is designed to mirror the fail-safe operation of a 777-P2.
This means when the voltage is within the programmed limits, the 777-P2-DEMO will run with no
faults displayed, showing real-time values while the MODE SELECT is in the RUN position. When
the unit senses a fault condition, the 777-P2-DEMO will display the fault condition. Once the unit
has been programmed, it is ready to operate. Turn MODE SELECT to the RUN position. The display
will show “run” alternating with a number for the duration of the restart delay time programmed into
RD1. Once the timer expires, the 777-P2-DEMO will display only the number the
DISPLAY/PROGRAM knob is pointing to. If something other than this is displayed, see the
Troubleshooting section for more information. If MODE SELECT is taken out of RUN, the 777-P2-
DEMO will display the setpoint value indicated by the MODE SELECT knob.
Parameter
Factory
Default
Recommended
Setting Simulated Value Test Point
LV 200V 432V 480V 500V
HV 500V 528V 480V 450V
VUB 6% 5% 3% 2%
MULT 1 1 1 n/a
OC 60A 60A 42.6A 35A
UC 35A 35A 42.6A 50A
CUB 7% 7% 3% 2%
TC 10 5 n/a n/a
RD1 10s 4s n/a n/a
RD2 8min 2 min n/a n/a
RD3 20min 2 min n/a n/a
#RU/ADDR 1/A01 A/A01 n/a n/a
#RF/COMM oc1/C03 ocA/C03 n/a n/a
UCTD 5 4 n/a n/a
GF 10A 5A 3.71A 3A
Table 1: 777-P2-DEMO Simulated Values and Demonstration Settings
6 © 2010 SymCom, Inc. All Rights Reserved
PROGRAMMABLE PARAMETERS
The following settings are described as they would appear on a production unit. All parameters are
actual values except for the VUB and CUB settings; these are programmed as percentages. The
range each parameter can be programmed is found in the electrical specifications table.
Recommended settings for the 777-P2-DEMO unit are listed below in BOLD text with the parameter
descriptions. Failure to program all setpoints could prevent the demo from working properly.
LV/HV- The recommended settings for LV (low voltage) and HV (high voltage) depend on many
factors such as motor usage, motor size, environmental factors and tolerance of the motor.
The motor manufacturer should be consulted for HV and LV settings. However, the NEMA
MG1 standard recommends that LV and HV be set to no more than ±10% of the motor's
nameplate voltage. The setting can be determined by multiplying the motor's nameplate
voltage by the recommended percent over and under voltage. (e.g., the motor nameplate
voltage is 480V, set LV 0.9x480=432V, set HV to 1.10x480=528V) LV cannot be set higher
than HV, so HV may have to be adjusted higher before the proper LV setting can be
programmed. SET LV AT "432" AND HV AT "528."
VUB - Voltage Unbalance. The NEMA MG1 standard says a motor should not be operated above
a 1% voltage unbalance without derating the motor. Most utility supplied power sources
have a difficult time sustaining a 1% VUB. The motor manufacturer should be consulted for
an exact VUB setting. Setting VUB to 999 will disable voltage unbalance protection, but will
not disable voltage single-phase protection. Voltage unbalance is calculated as follows:
%Voltage Unbalance = [(Maximum deviation from the average)/Average] x 100%
SET AT "5."
MULT - MULT (multiplier) setting is determined by the number of passes of the motor leads or the
size of external CTs and the full load amps of the motor the unit will be monitoring. MULT
sets the trip point range for undercurrent, overcurrent and ground fault current faults. Set
MULT first, then set UC, OC and GF. SET AT "1."
OC - Overcurrent. Is typically set to the service factor amperage (SFA) of the motor or 100-135%
of motor full-load amps (FLA), which are determined by the motor manufacturer. The value
must be higher than UC. If any one leg exceeds the OC setting, the 777-P2-DEMO will trip
according to the Trip Class (TC) settings. SET AT "60".
UC - Undercurrent. Is most commonly set to 80% of the full-load amperage (FLA) of the motor.
This is usually adequate for protection of loss of load for many pumps and motors, including
submersibles. If the motor is drawing less than full load amperage, then the UC may be set
lower than 80% of FLA for adequate protection. Centrifugal/booster pumps may have to be
set to something higher than 80% of FLA for adequate protection. UC can be set to 0 if UC
protection is not desired. The 777-P2-DEMO examines average current to determine if an
undercurrent trip condition exists. The value must be lower than OC. SET AT "35".
CUB - Current Unbalance. SymCom recommends contacting the motor manufacturer for a
specific setting. Current unbalance is calculated the same way voltage unbalance is
calculated (see formula above). Setting CUB to 999 will disable current unbalance and
current single-phase protection. SET AT "7."
© 2010 SymCom, Inc. All Rights Reserved 7
TC - Trip Class. Determines how quickly the 777-P2-DEMO will trip when an overcurrent
(overload) condition is detected. TC is a dual-function setting—both a thermal trip class
(NEMA standard) and a linear trip delay (in seconds) can be set.
While the standard trip classes are 5, 10, 15, 20, and 30, TC can be set from 2–60, with or
without jam protection. The trip class setpoint is the time in seconds that the device will take
to trip when any phase current is greater than or equal to 600% of the OC setpoint. These
additional “non-standard” trip classes allow the unit to follow a trip curve in-between the
“standard” trip class curves shown in Figure 1.
Trip classes 2–60 can be set from approximately the 7 o’clock to 10 o’clock position with the
DISPLAY/PROGRAM knob. Trip classes J02–J60, which include jam protection, can be set
from approximately the 10 o’clock to 1 o’clock position. This additional jam protection
feature, when enabled, is initiated 1 minute after the motor starts and provides a 2-second
trip delay for motors exceeding 400% of the OC setting.
The linear overcurrent trip delay can be set from approximately the 1 o’clock to 5 o’clock
position from 0–60 seconds (L00–L60) or to “oFF.” If TC is set to L00, the 777-P2-DEMO
will trip off within 1 second after current reaches the OC setpoint. If both trip class and linear
trip delay settings are programmed, the 777-P2-DEMO will follow the faster trip time. For
example, TC is set to J15 and L20, and the amperage is 200% of the OC setting. Following
the trip class 15 curve, the 777-P2-DEMO will trip off in approximately 100 seconds. The
777-P2-DEMO will follow the linear trip delay setting because it is faster, and the relay will
trip off in 20 seconds.
The motor manufacturer should be contacted for an exact TC setting. Table 3 describes the
trip classes, and Figure 3 shows the trip class curves. SET AT "5."
RD1 - Restart Delay One. Rapid-cycle timer, in seconds (default). The purpose of this timer is to
provide protection against short cycling and to allow adequate cool down time between
motor starts. This timer is initiated when power is first applied to the unit. If no voltage fault
conditions exists, the output relay will energize (the NO will close and the NC will open) as
soon as RD1 timer expires. In most cases, this is set to 20-30 seconds. This should provide
adequate protection for successive power outages or short cycling caused by other motor
controls. This timer is also initiated when motor current goes to zero. Setting RD1 to zero
will turn off this feature and ensure that when an alarm circuit is used, an alarm will sound
only when there is a fault or power to the unit is lost. SET AT "4."
RD2 - Restart Delay Two. Referred to as a motor cool-down timer, in minutes (default). RD2 is
used to restart the motor after a trip due to a current unbalance, current single-phasing, or
an overcurrent condition. A setting of 5-10 minutes will give most motors adequate time to
cool down after an overcurrent condition. The motor manufacturer should be contacted for
an exact value. SET AT "2."
RD3 - Restart Delay Three. This timer, in minutes (default), only initiates after an undercurrent trip
and is referred to as a dry-well recovery timer in pumping applications. This is set according
to the time it takes for the well to recharge after pumping dry. This setting varies widely by
application and there is no typical setting. RD3 can be set from 2-500 minutes or to ”A” to
enable the automatic Dry-Well Recovery Calculator.
The Automatic Dry-Well Recovery Calculator allows the 777-P2-DEMO to automatically
select a restart delay based on the run time of the last run cycle before tripping on an
undercurrent fault. Table 2 shows the next restart delay vs. run time. In general, a longer
run time produces a shorter restart delay. This feature allows the 777-P2-DEMO to optimize
running and rest times automatically. SET AT "2."
Run Time
Next Restart
Delay (minutes) Starts/Hr
> 1Hr
6
10
30 min.
-
59.99 min.
15
4
15 mi
n.
-
29.99 min.
30
2
< 15 min.
60
1
TABLE 2: Automatic Dry-Well Recovery Timer
8 © 2010 SymCom, Inc. All Rights Reserved
#RU/ADDR - Restart Attempts (undercurrent)/Address. The #RU/ADDR is a dual-function setting.
#RU settings are displayed and selected by turning the DISPLAY/PROGRAM knob from
approximately the 7 o’clock to 12 o’clock position. ADDR settings are displayed and
selected by turning the DISPLAY/PROGRAM knob from approximately the 12 o’clock to 5
o’clock position.
#RU is the number of restarts the 777-P2-DEMO will attempt after an undercurrent fault
before the unit locks out and requires a manual reset. #RU can be set to 0, 1, 2, 3, 4, or A.
This counter is cleared one minute after restarting if the 777-P2-DEMO does not trip again
on undercurrent.
If #RU is set to “0”, the 777-P2-DEMO will require manual resetting after all undercurrent
faults.
If #RU is set to “A”, the 777-P2-DEMO will always automatically restart after undercurrent
faults, once the RD3 timer expires.
ADDR is the RS-485 address of the 777-P2-DEMO and is only used when communicating
with any external communication device. The address can be set from A01–A99. SET #RF
AT "A." SET ADDR AT "A01."
#RF/COM - Restart Attempts (other faults)/ Communications Settings. The #RF settings are
displayed and selected by turning the DISPLAY/PROGRAM knob from approximately the 7
o’clock to 12 o’clock position. COM settings are displayed and selected by turning the
DISPLAY/PROGRAM knob from approximately the 12 o’clock to 5 o’clock position.
#RF is the number of restarts the 777-P2-DEMO will attempt after current unbalance or
current single-phase faults before the unit locks out and requires a manual reset. This
counter will be cleared one minute after start-up if the unit does not trip again for the same
fault condition. Available settings are 0, 1, 2, 3, 4 and A, or to include overcurrent faults,
#RF can be set to oc1, oc2, oc3, oc4 or ocA.
If #RF is set to “0”, the 777-P2-DEMO will require manual resetting after all current
unbalance, current single-phase and overcurrent faults.
If #RF is set to “A”, the 777-P2-DEMO will always restart automatically after current
unbalance and current single-phase faults, once the RD2 timer expires. Overcurrent faults
will require a manual reset.
If #RF is set to “ocA”, the 777-P2-DEMO will always restart automatically after current
unbalance, current single-phase and overcurrent faults, once the RD2 timer expires.
COM determines the baud rate, even/odd parity, and stop bit. COM can bet set to C00-
C07. C00 and C04 are duplicates provided for backward compatibility.
C00 = 9600 baud, No parity, and 1 stop bit
C01 = 9600 baud, Odd parity, and 1 stop bit
C02 = 9600 baud, No parity, and 1 stop bit
C03 = 9600 baud, Even parity, and 1 stop bit
C04 = 19200 baud, No parity, and 1 stop bit
C05 = 19200 baud, Odd parity, and 1 stop bit
C06 = 19200 baud, No parity, and 1 stop bit
C07 = 19200 baud, Even parity, and 1 stop bit
SET #RF AT "ocA." SET COM AT “CO3.”
UCTD - Undercurrent Trip Delay. The length of time, in seconds (default), the unit will allow the
motor to run in an undercurrent situation before de-energizing its relay. Typically, UCTD is
set to 2-4 seconds to allow for motor to reach full load. SET AT “4."
GF - Ground Fault. The maximum allowable current that can flow to ground before the 777-P2-
DEMO de-energizes its relay. This is a residual, class II ground fault system and should not
be used for personnel safety. A typical setting for GF is 10-20% of motor FLA (in amps).
GF may be set to oFF if this feature is not desired. SET AT "5."
© 2010 SymCom, Inc. All Rights Reserved 9
Table 3: Trip Class Descriptions
Trip Class Application Description
5
Small fractional horsepower motors where acceleration times are almost
instantaneous or where extremely quick trip times are required
10
(Fast Trip) Hermetic refrigerant motors, compressors, submersible
pumps and general-purpose motors that reach rated speed in less than
4 seconds
15 Specialized applications
20 (Standard Trip) Most NEMA-rated general-purpose motors will be
protected by this setting
30 (Slow Trip) Motors with long acceleration times (>10 seconds) or high
inertia loads
J Prefix
(Jam
Protection)
Programming any of the trip classes with the J prefix will enable jam
protection. This additional protection is enabled 1 minute after the motor
starts and provides a 2 second trip time for motors exceeding 400% of
the OC setting
Non-Standard
Trip Classes
Trip time in seconds when any phase current is 600% of OC. Time is
approximately 90% of the TC setting
1
10
100
1000
10000
0 100 200 300 400 500 600 700 800 900 1000
% of OC Setting
Trip Time (Seconds)
Class 30
Class 20
Class 15
Class 10
Class 5
Figure 3: Overload Trip Curves
10 © 2010 SymCom, Inc. All Rights Reserved
PROGRAMMING EXAMPLES
For all examples, use the “Recommended Settings” from Table 1 unless otherwise noted. NOTE:
Since no network communications are connected in these examples, there are no settings changes
needed for ADDR or COM.
LV cannot be set higher than HV, and UC cannot be set higher than OC., If the 777-P2-DEMO will
not allow setting a parameter, please verify that the values do not overlap.
Example #1
To simulate an Overcurrent Failure on the 777-P2-DEMO, the OC setpoint limit must be changed to
a value lower than the average current. Use the following setpoints to simulate an overcurrent fault
on the 777-P2-DEMO.
OC - Set OC to 20.
UC - Set UC to 0.
TC - Set TC to 5.
The time the 777-P2-DEMO will take to trip on the overcurrent fault can be calculated by using the
overload trip curve in Figure 3. The trip time is calculated by finding the percentage that the actual
current is over the overcurrent setpoint. The highest current leg for the 777-P2-DEMO is 44A.
% of OC Setting = Actual Current / OC setting
Example #2
To simulate an Undercurrent Failure on the 777-P2-DEMO, the UC setpoint limit must be changed
to a value higher than the average current. The time the 777-P2-DEMO will take to trip on the
undercurrent fault is equal to the UCTD (undercurrent trip delay) in seconds. Use the following
setpoints to simulate an undercurrent fault on the 777-P2-DEMO.
OC - Set OC to 60.
UC - Set UC to 50.
UCTD - Set UCTD to 5.
Example #3
To simulate a Ground Fault Failure on the 777-P2-DEMO, the GF setpoint limit must be changed to
a value lower than the simulated ground fault current. Use the following setpoints to simulate a
ground fault on the 777-P2-DEMO.
GF - Set GF to 3.
The time the 777-P2-DEMO will take to trip on the ground fault failure can be calculated by using the
trip delay table below. The simulated ground fault current is 3.71A. According to the table, the trip
time for this example would be around 8 seconds.
% of GF setting = Actual GF / GF setpoint
Ground Fault Reading
(as Percentage of Setpoint)
Trip Time
101% - 200% 8 seconds ± 1 second
201% - 300% 4 seconds ± 1 second
Table 4: Ground Fault Trip Time
© 2010 SymCom, Inc. All Rights Reserved 11
SYSTEM DISPLAY
On power up, the 777-P2-DEMO will show the current software revision. For example if the software
revision is 33.04, the 777-P2-DEMO will show 033 followed by 004.
The output display can show one of the following parameters when MODE SELECT is in RUN: L1-
L2, L2-L3, and L3-L1 line voltage; %VUB; A, B, and C phase current; %CUB; measured GF current.
Remember, with the 777-P2-DEMO all values are simulated and are constant. The display is used
for programming the operating parameters of the device and also identifies what caused the unit to
go into a fault condition, and under normal operating conditions, what the last fault was. The last
fault can be displayed by pressing and holding the RESET/PROGRAM button while MODE SELECT
is in RUN. When the unit trips on a fault condition, the current fault condition will be shown in the
display without pressing the button (pressing the reset button at this time will reset the unit). Table 5
lists the fault codes the unit could display.
Displayed
Message Meaning
oc Tripped on overcurrent
ub Tripped on current unbalance or unit won’t start because the voltage is
unbalanced
uc Tripped on undercurrent
GrF Tripped on ground fault
HI A high voltage condition exists (won’t allow motor to start)
Lo A low voltage condition exists (won’t allow motor to start)
oFF A stop command was issued from a remote source
HPr Tripped on high power
LPr Tripped on low power
CLo Tripped on low control voltage
cLr No previous faults
FFF Displayed value is greater than 999 (can be due to incorrect MULT setting)
Table 5: Fault Codes
12 © 2010 SymCom, Inc. All Rights Reserved
TROUBLESHOOTING
The 777-P2-DEMO will display a fault code alternating with a number or with “run” when it has
tripped. If the unit is showing a fault code alternating with “run,” it is timing down the restart delay. If
the fault code is alternating with a number (a voltage reading or ’0’), the unit will not allow the motor
to start because there is a problem with the incoming voltage. If the display is showing just a fault
code, the unit is in a manual reset mode. This could be because the number of restarts (#RF, #RU)
has expired or is not allowed. If the display reads “oFF,” a stop command was issued through the
communications network or a remote monitor.
DISPLAY DESCRIPTION
The unit will not start.
Display alternates “ub”,
“HI”, or “Lo” with the
DISPLAY/ PROGRAM
parameter value.
The voltage is not within the limits programmed in the VUB, HV,
and LV settings. Turn the DISPLAY / PROGRAM knob to read each
line voltage value. Correct the problem by checking programmed
limits by turning the MODE SELECT knob. Compare simulated
real-time values for HV, LV, and VUB to setpoints to verify they are
correct.
Display alternates “ub”, or
“oc” with “run.”
The demo has tripped on the fault shown on the display and is
timing down RD2 before restarting. Correct the problem by
checking programmed limits by turning the MODE SELECT knob.
Return the OC and/or CUB setpoints to original setting listed in the
programming section.
Display alternates “uc”
with “run.”
The overload relay has tripped on undercurrent and is counting
down RD3 before restarting. Correct the problem by checking
programmed limits by turning the MODE SELECT knob. Return the
UC setpoint to “35” in order to stop the undercurrent fault from
occurring.
Display is showing a solid
“ub”, or “oc.”
The unit has tripped on the fault shown and a manual reset is
required because of the programmed setting in #RF. Correct the
problem by checking programmed limits by turning the MODE
SELECT knob. Return the OC and/or CUB setpoints to original
setting listed in the programming section.
Display is showing a solid
“uc.”
The unit has tripped on undercurrent and a manual reset is required
because of the setting in #RU. Correct the problem checking
programmed limits by turning the MODE SELECT knob. Return the
UC setpoint to “35” in order to stop the undercurrent fault from
occurring.
Display is showing a solid
“GrF.”
A ground fault current greater than the programmed GF value has
been detected. A manual reset is required to clear this message.
Correct the problem checking programmed limits by turning the
MODE SELECT knob. Return the GF setpoint to “5” in order to
stop the ground fault from occurring.
Press the RESET/PROGRAM button to perform a manual reset.
Display alternates “LPr”
1
with “RUN”
The overload relay has tripped on low power (LPr) and is timing
down RD3 before restarting. Correct the problem checking
programmed limits by turning the MODE SELECT knob. Return the
LPr setpoint to “30” in order to stop the low power fault from
occurring.
© 2010 SymCom, Inc. All Rights Reserved 13
PROBLEM SOLUTION
Display is showing a
solid “LPr” 1
The unit has tripped on low power and a manual reset is required
because of the setting in #RU. Check programmed limits by turning
the MODE SELECT knob. Return the LPr setpoint to “30” in order to
stop the low power fault from occurring. Press the
RESET/PROGRAM button to perform a manual reset.
Display alternates “HPr”
1
with “RUN”
The unit has tripped on high power and is timing down RD2. Check
for a high power condition. Correct the problem checking
programmed limits by turning the MODE SELECT knob. Return the
HPr setpoint to “655” in order to stop the low power fault from
occurring.
Display is showing solid
“HPr”1
The unit has tripped on high power and requires a manual reset
because of the setting in #RF. Correct the problem checking
programmed limits by turning the MODE SELECT knob. Return the
HPr setpoint to “655” in order to stop the low power fault from
occurring. Press the RESET/PROGRAM button to perform a
manual reset.
Display alternates “CLo”
1
with “RUN”
The overload relay has tripped on low control voltage (CLo) and is
timing down RD2 before restarting. Correct the problem checking
programmed limits by turning the MODE SELECT knob. Return the
LV setpoint to “432” in order to stop the low power fault from
occurring.
Display is showing solid
“CLo”1
The unit has tripped on low control voltage and a manual reset is
required because of the setting in #RF. Correct the problem
checking programmed limits by turning the MODE SELECT knob.
Return the LV setpoint to “432” in order to stop the low power fault
from occurring.
1 LPr, HPr, and CLo are enabled only from a network master via a communications module.
14 © 2010 SymCom, Inc. All Rights Reserved
CLEARING LAST FAULT/RESETTING PARAMETERS
The following steps will clear the last fault and reset all setpoints back to factory settings:
1. Rotate MODE SELECT to GF.
2. Press and hold the RESET/PROGRAM button. Adjust the DISPLAY/PROGRAM knob until “cLr”
appears on the display. Release the RESET/PROGRAM button.
To verify the last fault was cleared and that the parameters were reset to factory settings, place
MODE SELECT in the RUN position. Then press and hold the RESET/PROGRAM button; “cLr”
should be on the display.
TAMPER GUARD
The 777-P2-DEMO setpoints can be locked to protect against unauthorized program changes.
1. Rotate MODE SELECT to GF.
2. Press and hold the RESET/PROGRAM button. Adjust the DISPLAY/PROGRAM knob until “Loc”
appears on the display.
3. Release the RESET/PROGRAM button.
4. Turn MODE SELECT to RUN.
The program is now locked, but all settings can be viewed. The unit can be unlocked by following
the same steps except adjust the DISPLAY/PROGRAM knob to “unL” in step 2.
© 2010 SymCom, Inc. All Rights Reserved 15
777-P2-DEMO SPECIFICATIONS
Functional Specifications
Programmable Operating Points
LV- Low Voltage Threshold 170–524V
HV- High Voltage Threshold 172–528V
VUB- Voltage Unbalance Threshold 2-25% or 999 (disable)
MULT- # of Conductors or CT Ratio (XXX:5)
1–10, 100, 150, 200, 300, 400, 500, 600, 700, 800
OC- Overcurrent Threshold (20–100A) ÷ MULT or 80–140% of CT Primary
UC- Undercurrent Threshold (0, 10–98A) ÷ MULT or 40–140% of CT Primary
CUB- Current Unbalance Threshold 2–50% or 999 (disable)
TC- Overcurrent Trip Class
2
2-60, J2-J60, L00-L60, oFF
RD1- Rapid Cycle Timer 0-999 seconds
RD2- Restart Delay After All Faults Except
Undercurrent (motor cool-down timer)
2–500 minutes
RD3- Restart Delay After Undercurrent (dry-
well recovery timer)
2–500 minutes, A (Automatic)
#RU-
Number of Restarts After Undercurrent
0, 1, 2, 3, 4, A (Automatic)
ADDR- RS485 Address A01–A99
#RF-Number of Restarts After All Faults
Except Undercurrent3
0, 1, oc1, 2, oc2, 3, oc3, 4, oc4, A, ocA (Automatic)
COM- Communication setting C00-C07
UCTD- Undercurrent Trip Delay 2–999 seconds
GF- Ground Fault Current Threshold (3-20A) ÷ MULT or 12-40% of CT Primary or oFF
Trip Times
Ground Fault Trip Time Trip time
101%-200% of Setpoint 8 seconds ±1 second
201%-300% of Setpoint 4 seconds ±1 second
301%-400% of Setpoint 3 seconds ±1 second
401% or Greater 2 seconds ±1 second
Current Unbalance Trip Times
% Over Setpoint
0%
1%
2%
3%
4%
5%
6%
11%
15%
Trip time
30 seconds
15 seconds
10 seconds
7.5 seconds
6 seconds
5 seconds
4 seconds
3 seconds
2 seconds
Input Characteristics
Input Voltage 12VDC
General Characteristics
Environmental
Temperature Range Ambient Operating: -20° to 70°C (-4° to 158°F)
Ambient Storage: -40° to 80°C (-40° to 176°F)
Pollution Degree 3
Class of Protection IP20
Relative Humidity 10-95%, non-condensing per IEC 68-2-3
2 If a “J” is included in the trip class (TC) setting, jam protection is enabled.
3 If "oc" is displayed in the #RF setting, overcurrent will be included as an automatic restart after RD2 expires.
Otherwise, a manual reset is required after an OC fault.
16 © 2010 SymCom, Inc. All Rights Reserved
Mechanical
Dimensions 3.0" H x 3.6" W x 5.1" D (76.2mm x 91.4mm x 12.5mm)
Terminal Torque 7 in.-lbs.
Enclosure Material Polycarbonate
Weight 1.2 lbs (544g)
© 2010 SymCom, Inc. All Rights Reserved 17
ACCESSORIES - CIO-EN-DEMO
If using the CIO-EN-DEMO communications module, connect the CIO-EN-DEMO to the side of a
777-P2-DEMO via the 9-pin D-SUB connector located on the side of the module. The CIO-EN-
DEMO will be powered on once connected to the 777-P2-DEMO. The CIO-EN-DEMO module is a
convenient Modbus/TCP and Modbus/RTU interface that provides a means of communicating with
the 777-P2-DEMO over a network or to a remote monitor display, such as the RM-1000-DEMO or
RM-2000-DEMO.
In order to communicate with an upstream device via a RS-485 network, the upstream device must
be connected to the CIO-EN-DEMO using a twisted-pair cable connected to A, B, and Shield of the
5-pin connector on the front of the CIO-EN-DEMO module. The CIO-EN-DEMO can be
programmed as device address A01-A99 and can communicate at baud rates of 9600, 19200,
38400, and 57600. The default communications settings for the CIO-EN-DEMO are:
• Baud Rate: 19200
• Parity: Even
• Modbus Address: Flexible when attached to 777-P2-DEMO
• When using SymCom Solutions, open Solutions and click ‘Modbus/RTU’ in the Select Network
Connection Type Box. Ensure the network communication settings are correct, and the device
connections are correct. Right click in the network window and select ‘Manually Add a Unit’.
Select the 777-P2 model and press ‘Enter’. Click on the unit to view its properties.
In order to communicate with SymCom Solutions via a Modbus/TCP network, connect an Ethernet
cable to the Ethernet jack on the top of the CIO-EN-DEMO and to the PC (Ethernet cable included
with CIO-EN-DEMO). The default Ethernet communications settings for the CIO-EN-DEMO are:
• IP Address: 192.168.50.FLEX where FLEX = 777-P2-DEMO Modbus Address
• Subnet Mask: 255.255.0.0
• Gateway: 192.168.50.1
• DHCP: Disabled
• When using SymCom Solutions, open Solutions and click ‘Modbus/TCP’ in the ‘Select
Network Connection Type’ option menu. Ensure the Ethernet network communication settings
are correct, and the device connections are correct. Right click in the network window and
select ‘Manually Add a Unit’. Select the 777-P2 model and press Enter. Click on the unit to
view its properties.
18 © 2010 SymCom, Inc. All Rights Reserved
ACCESSORIES – RM-2000-DEMO
If using the RM-2000-DEMO, use the provided cable to connect the RM-2000-DEMO to the CIO-EN
(cable included with RM1000-DEMO). Be sure to attach the proper connector to the CIO-EN-DEMO
and RM-2000-DEMO (Each connector is labeled for the equipment it is to be connected to). Make
sure the jumper connector is securely fastened to the Prog. Lock jack on the back of the RM-2000-
DEMO. Once all necessary equipment is connected, connect power to the 777-P2-DEMO by
attaching the 12VDC cable to the connector on the side of the 777 module enclosure. NOTE:
Ensure all network connections are in place before applying power.
To enable communication between the RM-2000-DEMO and a PC (solutions software), connect the
PC port on the RM-2000-DEMO to the provided RS485-RS232 converter cable (included with
RM1000-DEMO). The RS485-RS232 converter cable can then be connected to the USB-RS232
converter included with the RM1000-DEMO and then connected to the PC. A demo version of
Solutions is available on the SymCom website in order to communicate with the demo units with a
PC.
© 2010 SymCom, Inc. All Rights Reserved 19
ACCESSORIES – RM-1000-DEMO
If using the RM-1000-DEMO, follow the instructions for the RM-2000-DEMO above. Ensure the
correct cable is used to connect the RM-1000-DEMO to the CIO-EN-DEMO.
To enable communication between the RM-1000-DEMO and a PC (solutions software), connect the
PC port on the RM-1000-DEMO to the provided RS485-RS232 converter cable (included with
RM1000-DEMO). The RS485-RS232 converter cable can then be connected to the USB-RS232
converter included with the RM1000-DEMO and then connected to the PC. A demo version of
Solutions is available on the SymCom website in order to communicate with the demo units with a
PC.
20 © 2010 SymCom, Inc. All Rights Reserved
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