Eltako DSZ15WDM-3x5A Bedienungsanleitung

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CT operated energy meter with settable CT ratio and MID.

Maximum current 3x5A. Standby loss 0.5 watt per path only.

Modular device for DIN-EN 60715 TH35 rail mounting.

4 modules = 70mm wide and 58mm deep.

Accuracy class B (1%).With M-bus interface.

This three-phase metermeasures active energy by means of the currents

flowing between inputs and outputs. The internal power consumption of

0.5 watt active power per path is neither metered nor indicated.

1, 2 or 3 converters with secondary currents of up to 5 A can be connected.

The inrush current is1OmA. The N terminal must always be connected.

The 7 segment LC display is also legible twice within a period of 2 weeks

without power supply.

Power consumption is indicated by an LED flashing at a rate of10 times per KWh.

On the right next to the display are the MODE and SELECT buttons to browse

through the menu. First the background lighting switches on. Then the total

active energy, the active energy of the resettable memory and the instantaneous

values of power, voltage and current are displayed for each outer conductor.

The CT ratio can also be set. It is set to 5:5 at the factory and blocked with a

bridge over the terminals which are marked with 'JUMPER'. To adjust the CT

ratio to the installed transformer remove the bridge and reset the energy

meter according to the operation manual.

Then block it again with the bridge.

Adjustable current transformer ratios: 5:5, 50:5,100:5,

150:5, 200:5,

250:5, 300:5, 400:5, 500:5, 600:5, 750:5,1000:5,1250:5 and1500:5.

Error message (false)

If there is no outer conductor of the current direction is incorrect, 'false' and

the related outer conductor are indicated in the display.

M-bus data transfer

■On read-out all values are transferred in a telegram.

■The following telegrams are supported:

- Initialisation: SND_NKEReply: ACK

- Read out meter: REQ_UD2Reply: RSP_UD

- Change primary address: SND_UDReply: ACK

- Reset RS1: SND_UDReply: ACK

- Slave selection for the secondary addressReply: ACK

■The device does not reply to unknown requests

■The transfer rate is detected automatically

■The device has a voltage monitor. In case of voltage loss,

all registers are saved in the EEPROM.

Changing the M-bus primary address:

To change the M-bus primary address, hold down SELECT for 3 s. In the menu

that appears, press MODE to increment the address by10. Press SELECT to

increment by1. When the required primary address is set, wait until the main

menu reappears.

Secondary address:

■It is possible to communicate with the energy meter according to the

standard EN13757 with help of the secondary address.

■The use of wildcards is possible.

Detailed information are available in the operating manuals at www.eltako.com

Important! Before working on the current transformers disconnect the voltage

paths of the energy meters.

M-bus three-phase meter for use with CT

DSZ15WDM-3x5A with display and MID approval

Only skilled electricians may install this electrical equipment

otherwise there is the risk of fire or electric shock!

Temperature at mounting location: -25°C up to +55°C.

Storage temperature: -25°C up to +70°C.

Relative humidity: annual average value <75%.

28 305 515 - 1

GB Typical connection:

4-wire-connection 3x230/400V

The secondary current converter terminals on the mains side must be

connected to the outer conductors measured. These connections for the

meter power supply must be protected according to local installation

regulations.

Terminal cover sealableTerminal cover claps

Protection degreelP50 for mounting in distribution cabines

with protection class IP51

Maximum conductor cross section1) N and L terminals16mm2,

M-Bus terminals and jumper terminals 6mm

2

Recommended torque2) L- and N terminals1,5Nm (max. 2,0Nm)

M-Bus terminals and jumper terminals 0,8Nm (max.1,2Nm)

EC type examination certificate0120/SGS0314

The energy meter is used indoors.

Mechanical environmental conditionsclass M1

Electromagnetic environmental conditionsclass E2

1) The carrying capacity of cables and wires is defined in DIN VDE 0298-4.

2) The torques for screw terminals are mentioned in DIN EN 60999-1.

To avoid damages at the energy meter, the recommended torque values for each terminal

must not be exceeded!

Technical data

Rated voltage, extended range3x230/400V, 50Hz,

-2O%/+15%

Reference current Iref (Limiting current Imax)3x0.05 - 5(6)A

Internal consumption active power0.5W per path

DisplayLC display 7 digits,

therefrom1digit after the decimal point

Accuracy class ±1%B

Inrush current according to accuracy class B1OmA

Operating temperature-25/+55°C

Bus systemM-Bus

Bus length According to M-bus specifications

Transfer rates 300, 2400, 9600 baud.

Response timeWrite up to 60ms

(system response time)Read up to 60ms

Produktspezifikationen