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2

Terminal connections

NOTE :

For N/W selection 2P2W voltage (V ) applied between V1 & V2 and connect CT for I1 [ Do not use V3, N, I2 & I3 terminal ]

LL

For N/W selection 1P2W voltage (V ) applied between V1 & N and connect CT for I1 [ Do not use V2, V3, I2 & I3 terminal ]

LN

3 Phase - 3 Wire

2 Phase - 2 Wire

1 Phase - 2 Wire

3 Phase - 4 Wire

Where,
T1 & T2 - Thermistor Input

Where,
T1 & T2 - Thermistor Input

Where,

T1 & T2 - Thermistor Input

Where,
T1 & T2 - Thermistor Input

Wiring Diagram

Control Supply

Control Supply

Control Supply

Control Supply

K1

K1

K12

K12

K1

K1

K12

K12

Serial Communication

Interface standard and protocol

Communication address

Transmission Mode

Data types

Transmission distance

Transmission speed

Parity

Stop bits

RS

AND

485

MODBUS RTU

1 to 255

Half duplex

Float and Integer

500 Meter maximum

300, 600,1200, 2400, 4800, 9600,
19200 (in bps)

None, Odd, Even

1 or 2

7UG057..

L, N, V*, I*, R*, C, NO

RS485, T1, T2

0.5 Nm

0.4 Nm

5

Solid

1 x (0.75 to 2.5) mm

2

2 x 0.5 to 2 x 1.5 mm

2

0.5 mm

2

5

Stranded with end sleeve

1 x (0.5 to 2.5) mm

2

2 x (0.5 to 1.5) mm

2

0.5 mm

2

Note: The distance between APFC and external Current transformer 
should be kept as short as possible. Use shielded cable or twisted pair 
cable between APFC and Current transformer for long distance (Greater 
than 1m).

*

*

*

*

*

*

*

*

*

*

*

*

*

*
*

*

*

Not applicable for 7UG0571-1FT20

*

Not applicable for 7UG0571-1FT20

*

Not applicable for 7UG0571-1FT20

*

Not applicable for 7UG0571-1FT20

Summary of Contents for 7UG0571-1FT20

Page 1: ...e 50 to 440 VAC L L 30 to 250 VAC L N AC Network 3Φ 4W 3Φ 3W 2Φ 2W 1Φ 2W Display parameters Power Factor True RMS voltage Current Frequency Power KW KVA KVAr Energy KWh KVAh Temperature Control Supply 90 to 250 VAC 50 60Hz Power consumption 15VA Frequency range 50 60Hz Operating temperature 0 C to 60 C Humidity upto 95 without moisture condensation Alarm mode relay output Over voltage Under voltag...

Page 2: ...col Communication address Transmission Mode Data types Transmission distance Transmission speed Parity Stop bits RS AND 485 MODBUS RTU 1 to 255 Half duplex Float and Integer 500 Meter maximum 300 600 1200 2400 4800 9600 19200 in bps None Odd Even 1 or 2 7UG057 L N V I R C NO RS485 T1 T2 0 5 Nm 0 4 Nm 5 Solid 1 x 0 75 to 2 5 mm2 2 x 0 5 to 2 x 1 5 mm2 0 5 mm2 5 Stranded with end sleeve 1 x 0 5 to 2...

Page 3: ...phase Displays current of 1st phase Displays THD of current of 1st phase Press key 1st time Displays active power of 1st phase Displays reactive power of 1st phase Displays apparent power of 1st phase Press key 3rd time Press key 2nd time Displays active energy of 1st phase Displays reactive energy of 1st phase Displays apparent energy of 1st phase Displays temperature OK OK OK Parameter Key Key P...

Page 4: ...Trip Time No Yes Under Voltage Set No Yes Harmonics Range No Yes No Yes Over Voltage Set Step Error Step Error Setting CT Polarity Error Over Temperature Hysteresis Voltage Hysteresis PF Factory Default Yes No Temperature Range Setting Fan Setting Reset kVAh Reset Energy Password Correct Reset kWh No Yes Yes No Reset kVArh Bank 1 Bank 2 Bank 5 Bank 6 Bank 7 Bank 3 Bank 13 Bank 14 Bank 4 Bank 8 Ban...

Page 5: ... customer wants to reset energy 5min 5min Inst 5min 5min NA Inst 5min 2 5min 1min Inst 1min 1min NA Inst 50 240V L N 85 415 L L ON OFF 50 277V L N 85 480 L L ON OFF ON OFF ON OFF ON OFF 20 to 80 ON OFF 0 100 ON OFF ON OFF 1 to 10 1 to 5 20 100 50 YES NO YES NO YES NO YES NO YES NO 0001 9999 ON OFF Name of Parameter No Voltage Release Trip time setting TRIP TIME Over Voltage Nomenclature Default Va...

Page 6: ...02 CT Secondary A 1 100 100 1 9999 500 500000 1 255 1 5 Integer Integer 1 0x0000 0x0001 1 2 40010 1 0x0000 0x0001 0x0002 None Odd Even 40009 0x09 0x0A Parity Stop bit 0x0005 0x0006 9600 19200 Meaning Value Integer 1 0x0000 300 40008 0x08 Baud rate bps 0x0001 600 0x0002 1200 0x0003 2400 0x0004 4800 Formula to find address of individual Harmonic Note For Error 0 No Error 1 Error Present Meaning Cons...

Page 7: ...irst out sequence This option will automatically switch in and out the capacitors according to the targeted power factor sensitivity setting and the re connection time setting This automatic switching program uses intelligent switching sequence The step switching sequence is not fixed and the program automatically selects the most appropriate steps to switch in or out in order to achieve shortest ...

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