Unipower HPL110/220 Installation And Operation Manual Download Page 2

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Contents

System Overview

Functional Description

Typical Applications

System Configuration

Electrical Installation:

3-Phase Power Connection
1-Phase Power Connection
Alarm Relay States
Alarm Integration
Reset Function

Specifications:

Technical Specifications
DIP Switches

Mechanical Installation

HPL110A
Current Transformer

Programming

Troubleshooting

Set-Up Log Sheet

WARNING: Dangerous voltages are present in motor control

panels; INSTALLATION MUST BE CARRIED OUT BY QUALIFIED
PERSONNEL.

WARNING: Improper installation or programming can cause

damage to the unit and/or result in ineffective protection and/or
nuisance tripping.

Summary of Contents for HPL110/220

Page 1: ...o n i t o r Installation and Operation True Motor Power Monitor with High Trip Alarm Low Trip Alarm Digital Display Start and Trip Delay Timers Typical Applications Pumps Fans Conveyors Crushers and m...

Page 2: ...on 6 Specifications 13 Technical Specifications DIP Switches 7 Mechanical Installation 14 HPL110A Current Transformer 8 Programming 16 9 Troubleshooting 19 10 Set Up Log Sheet 20 WARNING Dangerous vol...

Page 3: ...f dry running and High Power Alarm for example to stop a feeder when blocked The alarm functions activate a single alarm relay which may be used to control the motor being monitored i e to trip a shut...

Page 4: ...o the on condition At time 1 the motor is turned on and the load immediately surges due to the starting current inrush before settling to a steady value at time 4 5 At time 8 this example shows power...

Page 5: ...ion with the L1 Max Limit and programmable in the range 0 0 to 99 9 seconds Tr1 is time for which the P must remain above the L1 Max Limit before an alarm is declared If P falls below the L1 during th...

Page 6: ...the high power alarm becomes active and a hysteresis band programmable is shown under this alarm level At time 5 the mixing power rises above the L1 Max Limit and after the Tr1 trip delay times out th...

Page 7: ...pressure and high power The HPL110A provides a simple non intrusive monitoring function which can be effectively used to protect against dead heading Again dry running is detrimental to the pump and r...

Page 8: ...e g when using a nominal 220V unit at 208V the display range will read 95 at full load 208 220 in 4 2 CURRENT MATCHING From the motor name plate note the full load current in Amps If full load ampera...

Page 9: ...formers ensure that the wraps are wound to the sides and not across the top or bottom of the current transformer 9 Figure 4 2 Full Load Current Ratio Primary HPL110 Range Effective Range Amps Transfor...

Page 10: ...ormally closed contact on the motor starter being used to short S2 to Gnd when the motor is off This activates the S2 inhibit function which inhibits alarm functions and prevents a Min Limit alarm on...

Page 11: ...ists fail safe operation The Relay LED on the front panel is illuminated when the Relay is energized this Relay LED therefore is on during normal operation and is switched off when an alarm occurs 11...

Page 12: ...d it can be connected between Terminal 11 and neutral to illuminate when an alarm state exists 5 5 RESET FUNCTION The HPL110A may be reset by any one of three methods Manual Reset Depress the Reset ke...

Page 13: ...250VAC 5Amp Mechanical Housing Noryl Mounting Panel mounting for 2 64 x 2 64 cut out 67 x 67 mm Min mounting depth 5 125 mm Protection Class IP54 Terminals 12 AWG max 20A 7 in lb tightening torque 0...

Page 14: ...is required of 2 64 x 2 64 67 x 67 mm the HPL110A is installed through the cut out and retained with fittings supplied A minimum depth of 5 125 mm will be required to allow space for the terminal fitt...

Page 15: ...be mounted either directly to standard 35mm DIN rail as shown on Page 9 using accessory 741B0231 not included or screwed directly to a panel using two M5 or 10 cap screws with accessory 741B0230 6 no...

Page 16: ...e the limits have been set first de activate the high and low alarms by programming the L1 Max Limit to 101 and the L2 Min Limit to 0 When a limit is de activated OFF is written in the display Then st...

Page 17: ...g the Peak Detect function run the system at its minimum load condition and observe the min normal reading by depressing the D key Set the Min Limit value a few units lower than this value by depressi...

Page 18: ...DIP Switch 1 to the ON position see section 6 2 for access When Program Lock is ON all setting values may be viewed but not changed The Reset button however remains functional Power Down Alarm Block I...

Page 19: ...tly long Either increase L1 Max Limit or TS Start Timer as appropriate First check that alarm values are correct If nuisance alarms persist increase the Tr Reaction Timer associated with the nuisance...

Page 20: ...80 460 575 S24 Current Transformer None 50 5 75 5 100 5 150 5 Turns through CT 1x 2x Program Current Range A 1 3 5 8 Start Time S S Max Limit Reaction Timer S Max S Min Limit Reaction Timer S Min S Pr...

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