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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 

 

Summary of Contents for MotorSaver Plus 777-P2-DEMO

Page 1: ...7702 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 ...

Page 2: ...ONS 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 ...

Page 3: ...e 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 D...

Page 4: ...4 2010 SymCom Inc All Rights Reserved Figure 2 Network Diagram for Connecting Accessories to 777 P2 DEMO ...

Page 5: ...O is designed to mirror the fail safe operation of a 777 P2 This means when the voltage is within the programmed limits the777 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...

Page 6: ...ill 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...

Page 7: ...cle 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 seco...

Page 8: ... 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...

Page 9: ...tors 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 T...

Page 10: ...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 undercu...

Page 11: ...played 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 unba...

Page 12: ...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...

Page 13: ...ires 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...

Page 14: ...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 PR...

Page 15: ... 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 second...

Page 16: ...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 ...

Page 17: ...rity 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 pro...

Page 18: ... 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...

Page 19: ...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 communic...

Page 20: ...s Reserved For warranty information please see Terms and Conditions at www symcom com Visit us at www symcom com to see our complete product listing Need something special Contact SymCom today for your custom solution 800 843 8848 ...

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