TRENDnet Series 300 manual Inphase Monitor For Motor Load Transfer, Load Disconnect Feature

Page 16

CONTROL FEATURES (continued)

INPHASE MONITOR

FOR MOTOR LOAD TRANSFER

Inphase monitoring logic controls transfer and retransfer of motor loads, so that inrush currents do not exceed normal starting currents. It avoids nuisance tripping of circuit breakers and mechanical damage to motor couplings.

The Motor Load Transfer feature is built into the controller. DIP switch S1 (actuator 5) activates this feature: right = ON, left = OFF.

FUNCTION

S1 DIP SWITCH

 

 

 

enable

Actuator 5 on

 

 

 

 

 

5

 

 

 

 

 

 

 

 

 

 

 

 

 

 

disable

Actuator 5 off

 

 

 

 

 

 

 

 

 

 

 

5

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Shaded DIP switches are standard factory settings.

Note

If the Motor Load Transfer feature is enabled, it will be activated following the Load Disconnect Feature Delay Before Transfer delay.

LOAD DISCONNECT FEATURE

Connect external circuits to the terminals indicated on the Wiring Diagram provided with the ATS.

The double throw (Form C) contact is rated for 28 VDC or 120 VAC (5 amps resistive). The contact operates prior to a selectable 0, 3, 10, or 20 second delay before transfer of the Automatic Transfer Switch. The contact resets either immediately following transfer or after the same delay as set for pre–signal before transfer.

Time delay between the load disconnect control signal and initiation of transfer is set on the controller with DIP switch S2 (actuators 6, 7, 8) as shown below:

Delay Before Transfer

LD TDBT

S2 DIP SWITCH

 

 

 

 

 

Actuator 7 on

 

 

 

 

 

 

 

 

 

 

0 (disable)

 

 

 

 

 

 

7

 

Actuator 8 on

 

 

 

 

 

 

 

8

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

3 seconds

Actuator 7 on

 

 

 

 

 

 

 

7

 

 

 

 

 

 

 

 

 

 

Actuator 8 off

 

 

 

 

 

 

8

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

10 seconds

Actuator 7 off

 

 

 

 

 

7

 

 

 

 

 

 

 

 

Actuator 8 on

 

 

 

 

 

 

 

 

8

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

20 seconds

Actuator 7 off

 

 

 

7

 

 

 

 

 

 

 

 

Actuator 8 off

 

 

 

 

 

 

8

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Shaded DIP switches are standard factory settings.

 

Delay After Transfer*

 

 

 

 

LD TDAT

 

S2 DIP SWITCH

 

 

 

enable

 

Actuator 6 on

 

 

 

 

 

6

disable

Actuator 6 off

6

*Enabling the Delay After Transfer will cause the control signal to reset after the same delay as set for the Delay Before Transfer.

REMOTE CONTROL FEATURES

These remote control features require a customer–supplied normally closed contact suitable for a 5 V dc low energy circuit. Refer to the Wiring Diagram provided with the ATS. Activate appropriate DIP switch S2 actuators below.

Remote Test (terminals CP6–7)

RTSW

S2 DIP SWITCH

 

 

 

disable

Actuator 3 on

 

 

 

 

 

3

 

 

 

 

 

 

 

 

 

 

 

 

 

enable

Actuator 3 off

 

 

 

 

3

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Remote Transfer to Emergency (CP8–9)

RT /E

S2 DIP SWITCH

 

 

 

disable

Actuator 2 on

 

 

 

 

 

2

 

 

 

 

 

 

 

 

 

 

 

 

 

enable

Actuator 2 off

 

 

 

 

2

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Bypass Transfer Time Delay (CP12–13)

TD E/N BYP.

S2 DIP SWITCH

 

 

 

disable

Actuator 1 on

 

 

 

 

 

1

 

 

 

 

 

 

 

 

 

 

 

 

 

enable

Actuator 1 off

 

 

 

 

1

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Inhibit Transfer to Emergency (CP10–11)

N/E INHIB.

S2 DIP SWITCH

 

 

 

disable

Actuator 4 on

 

 

 

 

 

4

 

 

 

 

 

 

 

 

 

 

 

 

 

enable

Actuator 4 off

 

 

 

 

4

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

5--4

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Page 15 Page 17
Contents Operator’s Manual Nameplate Catalog Number Indentification 1000 1200 1600 2000 2600 3000Installation Source fails Transfer switch Controller GroundEngine Starting Contacts Auxiliary CircuitsATS Position Indicators Installation Functional TestManual Operation Test Installation Use a phase rotation meter toVoltage Checks Black circle means light is onElectrical Operation Sequence of Operation Transfer To EmergencyTesting & Service Preventive MaintenanceTesting & Service TROUBLE-SHOOTINGProceed with care Automatic transfer switch is energized Manual Load TransferAdjustments Time Delay AdjustmentSensor Adjustments Time Delay SettingsHow to Change a Setting AdjustmentsClose the enclosure door DIP Switch Settings How to Set Built-In TimerBUILT-IN Engine Exerciser Step Function Explanation Push Button Status LightControl Features Optional Programmable Engine Exerciser Accessory 11CDSetting the Clock Time and Day Canceling Time ProgramsChanging or Checking Time Programs Programming Engine On-Off PeriodsInphase Monitor For Motor Load Transfer Load Disconnect FeatureStrip Heater Accessory ControlsIndex

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