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EEZ BB3 vs EEZ H24005

 

#

Feature

EEZ BB3

EEZ H24005

1

Max. number of modules / power outputs (channels)

3 / 6

2 / 2

2

MCU module

STM32F7 MCU board

Arduino Shield r5B12

3

Power module

DCP405 power module or DCM224 dual power module

Power board r5B12

4

Power module topology

Series hybrid (SMPS pre-regulator, linear post-regulator)

5

Floating (isolated) power outputs

Yes

6

Max. output power per channel

155 W

7

Output voltage

0 to 40 V / 80 V (coupled in series)

8

Output current

0 to 5 A / 10 A (coupled in parallel)

9

Current ranges

50 mA / 5 A

500 mA / 5 A

10

Voltage programming resolution

5 mV

10 mV

11

Current programming resolution

5 μA / 0.5 mA

1 mA

12

Voltage readback resolution

5 mV

10 mV

13

Current readback resolution

5 μA / 0.5 mA

1 mA

14

Current ranges switching

Manual / SW auto-ranging

15

Remote sensing / relay switchable

Yes / Yes

16

Remote sensing reverse polarity protection

Yes

17

Remote programming

Yes

18

OVP (Over-voltage protection)

HW, fused / SW

SW

19

OCP (Over-current protection)

SW

20

OPP (Over-power protection)

SW

21

OTP (Over-temperature protection)

SW

22

Reverse power output protection

High power diode, fused

TVS, not fused

23

No. of power relays for output couplings

 

4
(first two modules outputs in series and parallel, split rail, and ground coupling of all modules)

2
(Outputs in series and parallel)

24

Coupled outputs programming and readback values adjustment (e.g. display up to 80 V instead of two 40 V separately)

Yes

25

Load balancing when outputs are coupled in series or parallel

SW

26

Soft-start/Power-up control

Yes

27

Down-programmer

Yes

28

Output capacitor

33 uF + 470 nF

22 uF + 18 uF + 470 nF

29

Digital/Trigger inputs

2

1

30

Digital outputs

2

1

31

Relay outputs

No

1

32

MCU

STM32F769IIT6

Arduino Due

31

Flash memory

2 MiB

512 KiB

34

System EEPROM

Yes

35

Power module EEPROM

Yes

No

36

TFT Display

4.3” (480 x 272)

3.2” (320 x 240)

37

Touchscreen controller

Resistive

38

Rotary encoder

Yes (Ø31 mm knob)

Yes (Ø19 mm knob)

39

User defined switch

Yes

No

40

Power module communication

Dedicated SPI

Shared SPI

41

Ethernet

10/100 Mbit/s

10/100 Mbit/s

42

USB

FS, OTG

FS

43

USB isolation

No

Yes

44

RTC with backup

Yes (replaceable coin battery)

Yes (1 F supercap)

45

Memory card

MicroSD (accessible from front panel)

SD (installed on the TFT display back)

46

Sound

Yes

47

PE terminal

Yes

48

Dedicated Fan controller

Yes, up to 2 fans

No

49

Fan

Ø80 mm, 3- or 4-wire

Ø60 mm, 3-wire

50

Open source firmware

Yes

51

Multi-thread firmware

Yes

No

52

SCPI support

Yes

53

Scripting language

Micro Python

No

54

Programmable output lists

Yes, low jitter

Yes

55

Synchronized OE

Yes

No

56

AC input range

Full range (115 / 230 V)

115 / 230 V (manually switchable)

57

AC input protection

MOV, SAR

TVS, MOV, SAR

58

Dimensions

290 (W) x 123 (H) x 240 (D) mm

290 (W) x 84 (H) x 238 (D) mm

59

Weight

3.5 kg (with two DCP405 modules)

3.15 kg

 

 

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