Delta MM300 Instruction Manual Page 141
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6–54 MM300 MOTOR MANAGEMENT SYSTEM – INSTRUCTION MANUAL
CONTROL ELEMENTS CHAPTER 6: SETPOINTS
IL A Startup Override
Range: 0 to 3600 seconds in steps of 1
Default: 0 seconds
This setpoint specifies the time provided for the process interlock switch to reach the
healthy state, measured from the moment a start control is received. This includes any
pre-contactor time. A value of “0” inhibits starts if the switch state is unhealthy.
IL A Running Override
Range: 0 to 3600 seconds in steps of 1 or OFF
Default: 0 seconds
This setpoint specifies the time the switch can remain unhealthy during normal running.
A value of “OFF” indicates the interlock is inoperative during normal running.
IL A Inst Alarm
Range: Enabled, Disabled
Default: Disabled
When this setpoint is “Enabled”, a process interlock alarm is issued without delay. This is
in addition to the trip, stop, or alarm selected by the
IL Function A setpoint.
IL Ignore in Test
Range: Enabled, Disabled
Default: Disabled
When this setpoint is “Enabled”, all process interlocks are ignored when the test switch is
on.
IL A Name
Range: 20 alphanumeric characters
Default: Process Interlock A
This setpoint represents the interlock description that appears in the event record and
on the status message page.
6.4.4 Undervoltage autorestart
The undervoltage restart element (UVR) provides for relay initiated undervoltage motor
restart after a momentary power loss (dip). In addition, this element provides for controlling
the timing of both controlled starts and undervoltage restarts following interruptions.
When the auxiliary voltage supply drops below the dropout voltage level, the motor
contactor(s) are de-energized until the dip is over as indicated by supply recovery to the
pickup level. The duration of the dip is classified as short, medium, or long, based on
settable time thresholds.
• Short dips are intended to cover situations where it is appropriate to immediately
close the contactors back in on voltage recovery.
• Medium dips are for where it is appropriate to restart the motor with any staged
startup sequence the starter type might provide.
• Long dips (interruptions actually) are intended to cover cases where restoration is
from backup power, and there must be substantial intervals between starting different
motors to maintain stability, and/or only critical motors can be started.
If the motor was running at the time a short dip occurred, a forced restart will occur as
soon as the relay detects healthy auxiliary voltage. An immediate restart bypasses any
pre-contactor and staged startup sequence the starter type might otherwise provide.
If the motor was running at the time a medium or long dip occurred, after a settable
medium or long delay, a normal start will be performed.
- Instruction manual 1
- Motor Management System 1
- Table of Contents 3
- Chapter 1: Introduction 7
- Figure 2: Single line diagram 9
- 1.1.3 MM300 order codes 10
- 1.2 Specifications 12
- 1.2.4 Control specifications 14
- 1.2.5 Inputs specifications 14
- 1.2.6 Outputs specifications 16
- CERTIFICATION 17
- TYPE TESTS 17
- DIMENSIONS 17
- OPERATING ENVIRONMENT 18
- Chapter 2: Installation 20
- 2.1.2 Product identification 21
- 2.1.3 Mounting 21
- CAUTION: 22
- Figure 5: DIN rail mounting 23
- 853727A1.CDR 24
- 853733A1.CDR 25
- 853734A1.CDR 25
- 2.2.1 Power supply module 28
- 2.2.2 CPU module 28
- MM300 IED 31
- 853745A1.CDR 31
- 2.2.3 Protection modules 32
- Core Balance (Zero Sequence) 33
- 2.2.3.2 Two CT configuration 34
- FUSES - 100 ma typical 35
- 2.2.4 Input/output modules 36
- Consumer & Industrial 39
- Multilin 39
- 2.3 Starter types 40
- Low Voltage 41
- 2.3.3 Two-speed starter 42
- 2.3.6 Soft starter type 48
- 3.1.1.1 Graphical display 51
- 3.1.1.2 Keypad 52
- 3.1.1.3 Control keys 54
- 3.1.1.4 LED indicators 54
- Main menu 55
- Level 1 Level 2 Level 3 55
- 3.1.2.1 Home display page 56
- 3.1.2.2 Default display 56
- 3.1.2.3 Actual values pages 56
- 3.1.2.4 Status pages 57
- 3.1.2.5 Setpoints pages 59
- 3.1.2.6 Diagnostics pages 60
- 3.1.2.7 Control page 61
- 3.1.2.8 Popup windows 61
- 3.1.3.2 Numeric setpoints 63
- 3.1.3.5 Security access 65
- 3.2 Basic control panel 66
- Chapter 4: Software operation 68
- 4.1.1 Software requirements 69
- USB port: 71
- 4.2 Power analysis 76
- 4.2.2 Data logger 79
- Chapter 5: Actual values 82
- 5.2 Metering 83
- 5.2.3 Power metering 84
- 5.2.4 Sensor metering 84
- 5.3 Status 85
- 5.3.3 System Page 86
- 5.3.4 Flex Page 86
- Chapter 6: Setpoints 88
- 6.2 Configuration setpoints 90
- Full Voltage Non-reversing 92
- Full Voltage Reversing 92
- Two Speed Starter 92
- Wye-Delta Starter 92
- 853717A1.CDR 93
- 6.2.1.4 Two-speed starter 94
- 853719A1.CDR 95
- 6.2.1.6 Inverter starter 96
- 853721A1.CDR 97
- 6.2.1.7 Soft starter 98
- 6.2.3 Inputs 101
- 6.2.4 Outputs 102
- 6.2.6 System 107
- 6.2.7 Events 109
- 6.2.8 Waveforms 110
- 6.2.9 Datalog 110
- 6.2.10 Counters 111
- 6.3 Protection elements 113
- 6.3.1.1 Unbalance biasing 113
- 6.3.1.2 Hot/cold biasing 114
- 6.3.1.3 RTD biasing 115
- 6.3.1.4 Overload curve 116
- TIME IN SECONDS 117
- 6.3.1.5 Cooling rate 118
- Time (minutes) 119
- RTD Bias – 121
- Maximum T 121
- RTD Bias – Center T 121
- 6.3.2.1 Mechanical jam 122
- 6.3.3 Electrical protection 125
- Ground CT setpoint 126
- 6.3.3.3 Load increase alarm 127
- 6.3.3.4 Phase undervoltage 127
- 6.3.3.6 Phase overvoltage 128
- 6.3.3.7 Phase reversal 129
- 6.3.3.8 Fuse failure 129
- 6.3.4.1 RTD protection 130
- 6.4 Control elements 133
- 6.4.1.1 Auto/manual control 133
- Start Ctrl 135
- External Stop Action 136
- 6.4.2 Starting duty inhibits 137
- 6.4.3 Process interlocks 139
- 853703A1.CDR 140
- IL Function A setpoint 141
- 6.5 System security 144
- MM300 Motor Management System 146
- Chapter 7: Diagnostics 146
- EVENTS CHAPTER 7: DIAGNOSTICS 147
- 7.2 Digital counters 148
- 7.3 Phasors 150
- 7.4 Product information 151
- 7.5 Learned data 152
- 7.6 Waveform 153
- 7.7 Datalog 154
- Chapter 8: FlexLogic™ 156
- Chapter 9: Communications 162
- Appendix 164
- APPENDIX 165
- Section Number CHANGES 165
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