GE 469

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GE Power Management 469 Motor Management Relay 2-21

2 INSTALLATION 2.2 ELECTRICAL

2.2.15 TYPICAL 2 SPEED MOTOR WIRING

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Table of Contents1
Introduction9
Overview9
Description9
Order Information12
Other Accessories12
Specifications13
Setpoint13
Installation19
Mechanical19
Description19
Product Identification20
Installation20
Unit Withdrawal and Insertion22
Terminal Locations24
Electrical26
Typical Wiring Diagram26
Typical Wiring27
Control Power27
Phase Current Inputs28
Ground Current Input28
Differential Current Inputs30
Voltage Inputs31
Digital Inputs31
Analog Inputs32
Analog Outputs32
Rtd Sensor Connections33
Description33
Reduced Rtd Lead Number Application34
Two Wire Rtd Lead Compensation35
GROUNDING of Rtds35
Output Relays36
Drawout Indicator37
Rs485 Communications Ports38
Typical 2 Speed Motor Wiring39
Dielectric Strength Testing40
Operation41
Overview41
Faceplate41
Display42
Led Indicators42
A 469 STATUS LED INDICATORS42
Motor Status Led Indicators43
Output Relay Led Indicators43
Rs232 Program Port43
Keypad44
Entering Alphanumeric Text44
Entering +/- Signs44
Setpoint Entry45
Procedure45
Trips/Alarms/Blocks Defined47
Trips47
Alarms47
Relay Assignment Practices48
Setpoint Message Map49
S1 469 Setup50
Passcode50
Function50
Enabling Passcode Protection50
Preferences51
Serial Ports52
Real Time Clock52
Default Messages53
Adding Default Messages53
Removing Default Messages53
Message Scratchpad54
Clear Data55
Installation56
S2 System Setup57
Current Sensing57
Function57
Examples58
Voltage Sensing58
Power System59
Serial Communication Control59
Reduced Voltage60
S3 Digital Inputs62
Description62
Access Switch62
Test Switch62
Emergency Restart62
Remote Reset62
Starter Status63
Assignable Digital Inputs63
Digital Input Function: Remote Alarm64
Digital Input Function: Remote Trip64
Digital Input Function: Speed Switch Trip65
Digital Input Function: Load Shed Trip65
Digital Input Function: Pressure Switch Alarm65
Digital Input Function: Pressure Switch Trip66
Digital Input Function: Vibration Switch Alarm66
Digital Input Function: Vibration Switch Trip66
Digital Input Function: Digital Counter67
Function67
Example67
Function68
Example68
Digital Input Function: General Switch A-D69
Digital Input Function: Capture Trace69
Digital Input Function: Simulate Pre-Fault69
Digital Input Function: Simulate Fault69
S4 Output Relays70
Description70
Relay Reset Mode70
Example70
Force Output Relay71
S5 Thermal Model72
Motor Thermal Limits72
Thermal Model74
Overload Curve Setup75
Function77
Custom Overload Curve83
Unbalance Bias88
Motor Cooling89
Hot/Cold Curve Ratio90
Rtd Bias90
S6 Current Elements92
Short Circuit92
Overload Alarm93
Mechanical Jam93
Undercurrent94
Function94
Example94
Current Unbalance95
Function95
Example95
Ground Fault96
Phase Differential98
S7 Motor Starting99
Acceleration Timer99
Start Inhibit100
Function100
Example100
Jogging Block101
Function101
Starts / Hour101
Time between Starts101
Restart Block102
S8 Rtd Temperature103
Rtd Types103
Rtds 1 to 6104
Rtds 7 to 10105
Rtd 11106
Rtd 12107
Open Rtd Sensor108
Rtd Short/Low Temp108
S9 Voltage Elements109
Undervoltage109
Overvoltage110
Phase Reversal110
Frequency111
S10 Power Elements112
Power Measurement Conventions112
Power Factor113
Reactive Power114
Underpower115
Function115
Example115
Reverse Power116
Torque Setup117
Overtorque Setup117
S11 Monitoring118
Trip Counter118
Starter Failure118
Current, Kw, Kvar, Kva Demand120
Pulse Output122
S12 Analog I/O123
Analog Outputs 1 to 4123
Analog Output Table124
Analog Inputs 1-4125
Function126
Analog in Diff 3-4128
S13 469 Testing129
Simulation Mode129
Pre-Fault Setup130
Fault Setup131
Test Output Relays132
Test Analog Output132
Comm Port Monitor133
Multilin Use Only133
S14 Two-Speed Motor134
Description134
Speed2 O/L Setup134
Speed2 Undercurrent136
Speed2 Acceleration137
Actual Values139
Overview139
Actual Values Messages139
A1 Status140
Motor Status140
Last Trip Data141
Alarm Status143
Start Blocks145
Digital Inputs146
Real Time Clock146
A2 Metering Data147
Current Metering147
Temperature148
Voltage Metering149
Speed149
Power Metering150
Torque Alarm Message150
Demand Metering151
Analog Inputs152
Phasors153
A3 Learned Data155
Motor Starting155
Average Motor Load155
Rtd Maximums156
Analog in Min/Max157
A4 Maintenance158
Trip Counters158
General Counters160
Timers160
A5 Event Recorder161
Event01 to Event40161
A6 Product Info164
Model Info164
Calibration Info164
Diagnostics165
Diagnostic Messages for Operators165
Example165
Flash Messages166
Communications169
Modbus Communications169
Electrical Interface169
Modbus Rtu Protocol169
Data Frame Format and Data Rate169
Data Packet Format170
Algorithm171
Timing171
Supported Modbus Functions172
Overview172
Function Codes 01/02: Read Relay Coil / Digital Input Status172
Function Codes 03/04: Read Setpoints/Actual Values176
Function Code 05: Execute Operation177
Function Code 06: Store Single Setpoint178
Function Code 07: Read Device Status179
Function Code 08: Loopback Test180
Function Code 16: Store Multiple Setpoints181
Function Code 16: Performing Commands182
Error Responses183
Description183
Memory Map184
Memory Map Information184
User Definable Memory Map Area184
Event Recorder185
Waveform Capture185
Memory Map185
Memory Map Format Codes229
Testing237
Overview237
Test Setup237
Hardware Functional Testing238
Phase Current Accuracy Test238
Voltage Input Accuracy Test238
Ground (1A/5A) and Differential Accuracy Test239
A 5 a INPUT239
B 1 a INPUT239
Ge Power Management 50:0.025 Ground Accuracy Test240
Rtd Accuracy Test240
Digital Inputs and Trip Coil Supervision242
Analog Inputs and Outputs242
Output Relays244
Additional Functional Testing245
Overload Curve Test245
Power Measurement Test246
Unbalance Test247
Voltage Phase Reversal Test248
Short Circuit Test249
Installation/Upgrade251
Description251
Hardware & Software Requirements251
Checking if Installation/Upgrade Is Required252
Installing/Upgrading 469Pc253
Configuration254
Startup & Communications Configuration254
Using 469Pc255
Saving Setpoints to a File255
Firmware Upgrades256
Loading Setpoints from a File257
Entering Setpoints258
Upgrading Setpoint Files to New Revision259
Waveform Capture263
Phasors265
Event Recording266
Troubleshooting267
Commissioning Summary269
Appendix B B.1 Two-Phase Ct Configuration283
Description283
Example285
Current Transformers287
Ground Fault Cts for 50:0.025 a287
Ground Fault Cts for 5 a Secondary Ct288
Phase Cts289
Figures and Tables292
List of Tables293
Eu Declaration of Conformity295
Warranty Information297
Warranty297

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