Growatt TPM-6CT-C Handleiding

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ltem

Number

Description

A

1

Three-phase meter

B

1

User manual

C

1

Rs485 cable (standard length 15m)

D

6

Current transformer (length 6±0.02m)

PIN

1

2

3

4

5

6

7

8

Color

White

orange

(485.B)

Orange

White

green

Blue

White

blue

(485.A)

Green

White

brown

Brown

e. The standard RS485 cable length is 15m.if the length is not enough,please add

another cable to extend the length.The following figure shows the connection between

the meter and the MID-XH/MOD-XH(BP) inverter quick plug terminal.

1

1

1

11.

.

.

..

2

2

2

22.

.

.

..

3

3

3

33.

.

.

..

4

4

4

44.

.

.

..

5

5

5

55.

.

.

..

6

6

6

66.

.

.

..

ABC

TPM-6CT-C(DTSU666)

Three-phase Smart Meter Quick Guide

DTSU666 is a multi-function rail meter, it can accurately measure and display various power parameters in 3P3W/3P4W:voltage,

current, power, frequency, active power, reactive power, forward power, reverse power, total harmonics, etc. The meter is suitable

for real-time power monitoring system, with multi-function, multi-purpose, high stability and long life characteristics. The meter is

connected with an external current transformer and is suitable for various high and low voltage power grids. The meter has RS485

communication interface, supports the highest communication rate of 38400bps, can realize remote communication.

General Specifications

Category

TPM-6CT-C(DTSU666)

Nomianl volatge

3×57.7V/100V…3×240V/415V

Nominal current

100A/40mA, 250A/50mA, 100A/333mV,

250A/333mV

Frequency

50/60Hz

Voltage range

0.8Un-1.15Un

Active power

General Specifications

Reactive power

1% of range maximum

Baud rate

1200bps/2400bps/4800bps/9600bps

(default 9600bps)

/19200bps/38400bps/115200bps (optional)

Temperature

-25+55nominal), -40+70ultimate℃~℃（℃~℃()

Way to install

DIN-Rail Mounting

Mounting

dimensions

100x72x65.5mm(LxWxH)

Certification

CESAARoHSREACH，，，

D

72mm

100mm

65.5mm

65.5mm

35.5mm

45mm

LxWxH: 100x72x65.5mm

Three-phase four-wire external current sensor wiring

a. When Growatt inverter products are used in three-phase power grid system, please set “Sensor: Meter” of Growatt inverter as

“Sensor: CT”.More details, Please refer to the user manual of the corresponding model.

b. Pay attention to distinguish the two groups of CT. The black terminal is connected to the first group of CT, and the green terminal

is connected to the second group of CT. As shown in Figure 1 below.

c. When connecting three-phase energy meter, the CTs on CT1 should be connected to Growatt inverter, and the CTs on CT2 are

connected to the other inverter side. CT direction from grid to load. Please note that the length of the CT wire is 6m. The

installation diagram is shown in Figure 2.

Figure 1

RS485

GRID

Growatt

inverter

Other

inverter

Figure 2

AB

t

he inver

ter

s

id

e

Click!

Note:

1. Be careful the wire of L/N and the range of input voltage or current, if the data is outrange, it may destroy the meter.

2. Be careful where the two CTs are connected.CT1 is connected to the grid side of the growatt inverter, and CT2

is connected to other inverter. Also pay attention to the phase sequence of the CTs. If the CT is connected incorrectly or the phase

sequence is wrong,system will work in a wrong way.

3.Be careful the phase sequence of the voltage sampling side of the meter should correspond to the AC phase sequence of the inverter.

4. If there is no communication (Growatt inverter shows warning 401 or meter communication, indicator is don’t display), please check

the communication cable, baud rate, and address.

CT1

CT2

CT2

CT1

d. Connect the RS485A of the LAN line

(White-Blue) to the A terminal labeled

RS485-1 on the meter and RS485B of the

LAN (White-Orange) to the B terminal.

PIN 5 of

LAN line

PIN 1 of

LAN line

(LoadGird)

(GirdLoad)

0.5% of range maximum

LAN line 1-8 colors as below:

From the displayed interface, the electrical parameter and

energy data are all primary side data (that is, the multiplied by

current and voltage ratios). The energy measuring value will

be displayed seven bits, with the displaying range 0.00kWh to

9999999Mwh.

Product specificaties