Technical data - Data Sheet

Integrated power supply

Manufacturer

Merawex

Type

ZDSO400-DR2-2U

Power supply

AC 230 V +10 % / -15 %

Current consumption

10 A

Nominal output voltage

DC 24 V

Nominal output current

32 A

Load capacity of outputs to amplifiers

6x 30 A

Battery max charging current

16 A

Battery float voltage at 25 °C

27.1 V

Battery low charge error voltage

21 V

Battery set permissible increase in resistance

50 mΩ

Relay outputs

Faults: mains, battery, general

Relay type

Changeover contacts 1 A @ DC 30 V

Number of inputs / outputs

Analog audio inputs 0 dB

(external source)

4

Analog audio inputs 100 V

(amplifier)

4

Analog audio outputs 0 dB

(to amplifier or external)

4

Speaker lines 100 V

16

Analog control inputs 0...10 V

8

Logic control inputs

8 Schmitt trigger inputs

Logic control outputs

8 electrically isolated relay outputs with changeover contacts

Fault indicator relay

1

Logic control inputs

Input voltage

Low <3 V / High >7 V

Max. permissible voltage

36 V

Input current at 10 V / 12 V / 24 V

~5 / ‒ / ‒ mA

Logic control outputs, relays

Max. voltage

48 V

Max. current

500 mA per output

Analog control inputs

Measuring range

DC 0…10 V

Resolution

8 bit

Input current at 10 V

~0.3 mA

Interfaces

Serial interfaces

1x RS485

9600, 19200, 57600, 115200 Baud

Ethernet connection

2x RJ45 (CAT5)

100Base-TX (IEEE 802.3u)

Audio properties

Standard audio output power

1000 W

Max. audio output power

2000 W

Frequency band

60 Hz…20 kHz / -1 dB

Distortion factor

<0.05 %

Total dynamic range

103 dB

Inputs:

Symmetrical

Max. amplification freely selectable

-20 dB…+60 dB

• Phantom voltage

12 V

Optional +24 V or +48 V

• Input impedance

6.6 kOhm

Outputs:

Symmetrical

• Max. output level

+15 dB

• Output impedance

300 Ohm

Ambient conditions

Operating temperature

-5…+40 °C

Air humidity

10…90 % rel.

Dimensions and weights

W x H x D mm

710 x 950 x 305

Weight

55 kg (without batteries)

Weight for max. configuration

130 kg (with batteries)

Protection category and color

Protection category (IEC 60529)

IP30

Max. audio output power at 100 V

1x 500 W (Music)¹⁾

1x 350 W (Sinus)²⁾

Supply voltage, AC

AC 230 V (85...265 V)

Supply voltage, DC

DC 24 V (18...30 V)

Distortion factor at 1 kHz/100 V

<0.2 %

Frequency band -3 dB

10 Hz...30 kHz

Input sensitivity

1 V at 10 kΩ

Input impedance at 1 kHz

10 kΩ

Unweighted signal-to-noise ratio at 1 kHz

95 dB

Signal-to-noise ratio

102 dB

Signal inputs

Electronically symmetrical

Current consumption

Efficiency

<91 %

Standby at DC 24 V

0.4 A

Standby at AC 230 V

0.025 A

Operation, no signal, all 'Ch' active at DC 24 V

0.5 A

Operation, no signal, all 'Ch' active at AC 230 V

0.038 A

Full load sine at DC 24 V

26 A

Full load sine at AC 230 V

2.75 A

Protection

Over-current, overheating

Operation/fault messages

Open collector outputs

AC, DC, Fault, Clip/Temp

LED at amplifier

-

LED at adapter board

AC, DC, Fault, Clip/Temp, Operate, Signal

Remote activation

Input amp. ON (optional)

ON: open

Off: >5 V @ 680 R

Max. DC 24 V

Connections

Signal inputs, operation/fault messages

RJ45 to adapter board

Power outputs

Plug-in terminal, 2-pole

DC inputs

Plug-in terminals, 2x 1-pole

Mains voltage input

Plug-in terminal, 2-pole

Ambient conditions

Operating temperature

-5…+40 °C

Storage temperature

-20…+70 °C

Operating in humid environments

(without moisture condensation)

10...90 % rel.

Storage in humid environments

(without moisture condensation)

5...90 % rel.

Dimensions and weights

W x H x D mm

260 x 80 x 38

Housing type

Open frame

Weight

680 g

Protection category and color

Protection category (IEC 60529)

-

Color

-

Included in delivery

Adapter board

Wiring

Mounting material

Standards

EN 54‑16