Chell MicroDAQ3 Manuale utente

Chell Instruments Ltd

Folgate House

Folgate Road

North Walsham

Norfolk NR28 0AJ

ENGLAND

Tel: 01692 500555

Fax: 01692 500088

MicroDAQ3

Pressure Scanner

Acquisition System

INSTALLATION

AND

OPERATING MANUAL

e-mail:- [email protected]

Visit the Chell website at:

http://www.chell.co.uk

900252-1.4

Page 1

Please read this manual carefully before using the instrument.

Use of this equipment in a manner not specified in this

manual may impair the user’s protection.

Chell Document No. : 900252 Issue 1.4

ECO : xxxx Date: 18/01/2023

Chell’s policy of continuously updating and improving products means that this manual may contain

minor differences in specification, components and software design from the actual instrument

supplied.

Page 2

CONTENTS

1 Description ............................................................................................................................. 4

1.1 General ................................................................................................................................................................... 4

2 Specifications ........................................................................................................................ 5

2.1 Ranges .................................................................................................................................................................... 5

2.2 Power Supply: ........................................................................................................................................................ 5

2.2.1 DC Powered Version ...................................................................................................................................... 5

2.2.2 PoE Version .................................................................................................................................................... 5

2.3 CAN specifications: ................................................................................................................................................ 5

2.4 Ethernet Specifications: .......................................................................................................................................... 5

2.5 Environmental specification: .................................................................................................................................. 5

3 Installation and Interconnections ........................................................................................ 7

3.1 Electrical Connections ............................................................................................................................................ 7

3.1.1 64 channel DC Powered Versions - 9-way micro-miniature ‘D’ type (suggested mate : Glenair

MWDM2L-9PS - solder cup version) ............................................................................................................................ 7

3.1.2 64 channel PoE Powered Versions - 9-way micro-miniature ‘D’ type (suggested mate : Glenair

MWDM2L-9SS - solder cup version) ............................................................................................................................ 7

3.1.3 16 channel DC Powered Versions - 9-way micro-miniature ‘D’ type (suggested mate : Glenair

MWDM2L-9SS - solder cup version) ............................................................................................................................ 7

3.2 Pneumatic Connections .......................................................................................................................................... 8

3.2.1 64 channel Valved version ............................................................................................................................. 8

3.2.2 64 channel Valved version with quick disconnect plate ................................................................................ 8

3.2.3 64 channel non-Valved version ...................................................................................................................... 8

3.2.4 64 channel non-Valved version with quick disconnect plate ......................................................................... 9

3.2.5 16 channel version .......................................................................................................................................... 9

3.3 Mounting Features ................................................................................................................................................ 10

3.3.1 64 channel Valved Version .......................................................................................................................... 10

3.3.2 64 channel Non-valved Version ................................................................................................................... 10

3.3.3 16 channel Version ....................................................................................................................................... 10

4 Operation of the instrument ............................................................................................... 11

4.1 Connecting up the MicroDAQ3. .......................................................................................................................... 11

4.1.1 DC Powered Versions .................................................................................................................................. 11

4.1.2 PoE Versions ................................................................................................................................................ 11

4.2 Connecting to the MicroDAQ3 ............................................................................................................................ 12

4.2.1 Connecting to the Webserver ....................................................................................................................... 12

4.2.2 Connecting using the MicroDaq-X Software. .............................................................................................. 12

4.2.3 Connecting to Custom Software (Ethernet and CAN) ................................................................................. 12

4.3 Configuring the MicroDAQ3 ............................................................................................................................... 13

4.4 Re-zeroing the MicroDAQ3. ................................................................................................................................ 13

5 MicroDAQ3 Configuration Webserver ............................................................................... 14

5.1 Introduction. ......................................................................................................................................................... 14

5.2 Common Controls Sidebar ................................................................................................................................... 15

5.3 Controls for all variants ........................................................................................................................................ 15

5.4 Controls for valved variant ................................................................................................................................... 15

...................................................................................................................................................................................... 15

5.4.1 The 'Setup Parameters' Page ......................................................................................................................... 16

5.4.2 Introduction .................................................................................................................................................. 16

5.4.3 Data Streaming ............................................................................................................................................. 16

5.4.4 TCP Parameters ............................................................................................................................................ 16

5.4.5 UDP Parameters ........................................................................................................................................... 17

5.4.6 CAN Parameters ........................................................................................................................................... 18

5.5 ‘Live Data’ Page ................................................................................................................................................... 19

5.5.1 ‘Live Data’ Page Valve Position Descriptor ................................................................................................ 20

5.6 ‘Advanced’ Page .................................................................................................................................................. 20

5.6.1 Advanced communication settings ............................................................................................................... 20

Page 3

5.6.2 Miscellaneous ............................................................................................................................................... 22

5.6.3 Zero Coefficients .......................................................................................................................................... 23

5.7 Timestamp ............................................................................................................................................................ 24

6 Timing and The Acquisition Cycle ..................................................................................... 25

6.1 The MicroDAQ3 Acquisition Cycle .................................................................................................................... 25

6.1 Sensor Response Modes ....................................................................................................................................... 25

6.2 The MicroDAQ3 Data Output Cycle ................................................................................................................... 26

6.3 Averaging ............................................................................................................................................................. 26

6.4 Averaging and Time Stamping ............................................................................................................................. 27

7 Hardware Trigger ................................................................................................................. 28

7.1 Hardware Trigger Input. ....................................................................................................................................... 28

7.2 Timing Information .............................................................................................................................................. 28

7.3 Web server control ............................................................................................................................................... 28

7.4 Software Control .................................................................................................................................................. 28

7.5 The Hardware Trigger and System Timing .......................................................................................................... 29

8 Service and Calibration ....................................................................................................... 30

8.1 Service .................................................................................................................................................................. 30

8.2 Calibration ............................................................................................................................................................ 30

8.3 Adjustment ........................................................................................................................................................... 30

8.4 Cleaning ................................................................................................................................................................ 30

Page 4

1 Description

1.1 General

The MicroDAQ3 is a self-contained pressure scanner that acquires and transmits pressure

data to a host via Ethernet or a CAN bus. The MicroDAQ3 fits into the Chell pressure scanner

range alongside the established microDAQ, microCAT and nanoDaq-LT range.

The MicroDAQ3-64 comes in a number of variants; the first of these is the option to include

a purge / calibration valve. The other is the electrical interface which can either be power-

over-ethernet or a conventional DC supply. The microDAQ3-16 is currently only available as

DC. The CAN and hardware trigger features discussed in this manual are only available on

the DC powered versions.

The combination of high-precision digital transducers and Chell’s calibration technology have

resulted in the most accurate and flexible pressure scanners available on the market.

The device has the ability to output absolute pressures or differential pressures by using

additional reference sensors, the 65th and 66th reference channels for the 64 channel variant

and 17th channel for the 16 channel variant.

The MicroDAQ3s are configured using their embedded web-servers. The output stream can

be configured in a number of ways including averaging, transmission speed, absolute or

differential and also the ability to add a time stamp to the data. Compliance with IEEE1588

PTP V2 and a hardware trigger facility give a good level of time determination for the acquired

data.

This manual revision covers microDAQ3-64 firmware version 1.0.9 and microDAQ3-16

firmware version 1.0.4.

Page 5

2 Specifications

2.1 Ranges

The MicroDAQ3 is available in the following ranges:

Differential Range

MicroDAQX

Range

Code (PSI)

Absolute Range

MicroDAQX

Range Code

4” water

1 kPa

0.144509

2.2 to 16.8 psia

15 to 115 kPa

2(a)

10” water

2.5 kPa

0.362173

20” water

5 kPa

0.722541

1 psi

7 kPa

1.5 psi

10 KPa

1.5

2.5 psi

17 kPa

2.5

5 psi

35 kPa

8 psi

55 kPa

1.885 to 23.2 psia

13 to 160 kPa

8(a)

15 psi

103 kPa

2.2 to 29.9 psia

15 to 206 kPa

15(a)

30 psi

207 kPa

2.2 to 58.01 psia

0 to 400 kPa

45 psi

310 kPa

2.2 Power Supply:

2.2.1 DC Powered Version

Line voltage:

8-30 Vdc

Absolute Max. Line voltage

30Vdc

Consumption:

Max 1W (non-valved), 4W (valved version)

2.2.2 PoE Version

PoE Standard:

802.3at Type 1 (Previously 802.3af)

2.3 CAN specifications:

CAN type

2.0B

CAN baudrate

Configurable from 1M, 500K, 125K and 100K.

Programmable variables:

Address 0x?nn

Most significant programmable device ID

Address 0xn?n

Next most significant programmable device ID

BRP

CAN bus timing

TSEG1

CAN bus timing

TSEG2

CAN bus timing

SJW

CAN bus timing

2.4 Ethernet Specifications:

TCP/IP

10Mb/s & 100Mb/s via Auto Negotiation

TCP & UDP protocols supported

2.5 Environmental specification:

Page 6

Operating temperature range:

-40°C to +90°C

Storage temperature range:

-40°C to +90°C

Maximum Relative humidity:

95% at 50°C (non condensing)

Ambient altitude

100 mbar abs or nominally 52000 ft

Vibration

Engine standard vibration test to DO160E category S,

curve W with duration of 1 hr/axis. Fan blade out case

to DO160E category S, curve P.

Fan blade out to DO160F section 7 (40g 11m/s)

Engine load to +/- 40g per axis

Radiated emissions

MIL standard 461-E: RE102

Conducted emissions

MIL standard 461-E/MIL standard 461-C

Page 7

3 Installation and Interconnections

3.1 Electrical Connections

3.1.1 64 channel DC Powered Versions - 9-way micro-miniature ‘D’ type

(suggested mate : Glenair MWDM2L-9PS - solder cup version)

3.1.2 64 channel PoE Powered Versions - 9-way micro-miniature ‘D’ type

(suggested mate : Glenair MWDM2L-9SS - solder cup version)

3.1.3 16 channel DC Powered Versions - 9-way micro-miniature ‘D’ type

(suggested mate : Glenair MWDM2L-9SS - solder cup version)

Pin 1

Pin 2

Ethernet Rx+

Pin 3

CAN Low

Pin 4

Ethernet Tx+

Pin 5

+ Supply (8-25 VDC)

Pin 6

Trigger in (TTL)

Pin 7

Ethernet Rx-

Pin 8

Ethernet Tx-

Pin 9

CAN high

Pin 1

ETH BI_DD+

Pin 2

ETH BI_DA+ (TX+)

Pin 3

n/c

Pin 4

ETH BI_DB+ (RX+)

Pin 5

ETH BI_DC-

Pin 6

ETH BI_DD-

Pin 7

ETH BI_DA- (TX-)

Pin 8

ETH BI_DB- (RX-)

Pin 9

ETH BI_DC+

Pin 1

Pin 2

Ethernet Rx+

Pin 3

CAN Low

Pin 4

Ethernet Tx+

Pin 5

+ Supply (8-25 VDC)

Pin 6

Trigger in (TTL)

Pin 7

Ethernet Rx-

Pin 8

Ethernet Tx-

Pin 9

CAN high

Page 8

3.2 Pneumatic Connections

3.2.1 64 channel Valved version

3.2.2 64 channel Valved version with quick disconnect plate

3.2.3 64 channel non-Valved version

Page 9

3.2.4 64 channel non-Valved version with quick disconnect plate

3.2.5 16 channel version

Hot plugging the power to the MicroDAQ3 at the connector can cause permanent

damage to the unit. Always switch the power at the power supply source.

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