Microcyber WH-M Manuel utilisateur

User Manual of WirelessHART

Development Board

Microcyber Corporation

Table of Contents

1. Terms, Abbreviations, and Explanations.........................................................................1

2. Preface.............................................................................................................................1

3. HardwareInterface Description of WH-M Development Board.......................................2

3.1 Structure Description of Development Board..............................................................2

3.2 Circuit Description............................................................................................................4

4. WH-M Configuration and Read.......................................................................................6

4.1 Connected Device...........................................................................................................6

4.2. Parameter Setting...........................................................................................................8

4.2.1 Basic Information .........................................................................................8

4.2.2 Network Information Configuration..............................................................9

4.2.3 Burst Configuration ......................................................................................9

4.2.4 Network Monitoring....................................................................................11

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1. Terms, Abbreviations, and Explanations

WH-M WirelessHART Module

2. Preface

As a supplementary documentation for “User Manual of WH-M WirelessHART Module”, it

includes:

1. Instructions of WH-M development board, giving a detailed introduction on each

port function and use of the WH - M development board.

2. Instructions of development board software, introducing the responsible task of

instrument board (field device), connection and synchronization between the

instrument board and the WH-M.

3. WH-M configuration and read, introducing WH-M’s join network configuration,

burst mode configuration and reading of information parameters.

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3. HardwareInterface Description of WH-M Development Board

3.1 Structure Description of Development Board

Figure 3.1 Photo of WH-M development board

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Figure 3.2 WH-M circuit board components layout

Serial supply: Jumper J8, connecting with a jumper wire, mainly control power supply

of the serial module, and easy for low-power evaluation of WH-M.

WH-M debug: JTAG debug port of WH-M master controller. Don’t need to concerned

about it for the user without secondary development.

MSP430 debug port, i.e., instrument board function debug interface of development

board, easy for user to develop instrument board functions through the development

board, evaluate and test those functions at the beginning of the hardware design, to

speed up the development progress.

WH-M supply: Jumper J21, WH-M power supply terminal, can individually provide

power supply to WH-M module, easy for user to check power consumption status of

the instrument board.

Instrument Board supply: Jumper J2, power supply jumper for instrument board

circuit.

Power switch: Power supply toggle switch of the whole circuit.

Power socket: Standard DC power socket.

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Power interface: Additional power plug can lead to power supply for several devices.

Power indicator: Power indicating light of the development board.

Analog potentiometer: Visual display on web of data changes collected can be

provided by adjusting the potentiometer.

4-20MA input: 4-20MA external input terminal.

4-20MA output: 4-20MA output terminal, external power supply required.

Test button: Button interface, easy for user to press when evaluating.

MSP430 IO pin header: Easy for user to connect external device.

WH-M pin header: Pin out all the interfaces of the WH-M module, easy for user to

evaluate the module.

LED supply: Designed for low-power evaluation and can be individually cut off.

Test LED: Respectively connect WH-M’s IO and MSP430’s IO, easy for information

output during debugging.

Antenna terminal: Connect omnidirectional rod antenna.

WH-M serial port: Used for maintenance and to print some relevant information.

Users don’t have to care about.

WH-M base: Socket of WH-M WirelessHART module.

Maintenance port: For PC’s configuration to WH-M.

3.2 Circuit Description

The core controller of instrument board is MSP430F149. The functions of circuits users

will need are shown as follows.

Button circuit shows that the 3 buttons of the development board respectively connect pin

P1.0, P1.1 and P1.4 of MSP430F149. The user can modify function definition of each

button on the basis of own needs.

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R26

10K

R27

10K

V3.3

R28

10K

P10_430

P11_430

P14_430

Figure 3.3 Schematic diagram of button pin definition

In the schematic diagram, P2 is partial pin header of MSP430. Figure 3.4 shows its pin

definition. The user can modify them according to actual situation.

P30P31

P32_430P33_430

P55_430

P56_430

ADC4 ADC5

ADC6 ADC7

P26_430P27_430

V3.3

P50_430P51_430

P52_430

P54_430

P53_430

P57_430

1 2

3 4

5 6

7 8

910

11 12

13 14

15 16

17 18

19 20

Header10X2

Figure 3.4 Definition of MSP430 IO pin header

Two external LEDs are connected to MSP430F149, easy for debugging information

output, speed up the debug progress. Figure 3.5 shows MSP430 pins to LED. LED is on

by low level. 1 k Ω current-limiting resistor is added to LED anode.

D2 P21_430

P15_430

Figure 3.5 MSP430 pins to LED

4-20mA input circuits, provided by the development board, enable user to quickly evaluate

the existing 4-20mA device, as shown in Figure 3.6. Through MSP430’s built-in ADC

channel 2, the user can collect data of the 4-20mA device directly by circuits, then

converted into digital signal and transmitted by wireless.

R12

100R

GND

Fuse2

TP1

ADC2

4-20mA输入电路

Header2

C19

1nF

0.01uF

D11

SS16

D12

SMBJ36CA

Figure 3.6 4-20mA input circuits

4-20mA input circuit

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The development board also has 4-20mA output circuits with isolation, easy for circuit

output requirements from the user, shown in Figure 3.7:

REFO1

REFO2

REFI

LATCH

CLOCK

DATA

LOOPR

COM

DRIVE

COMP

BOOST

VCC

AD421

V421

C22

0.15uF

C24

0.01uF

C23

0.47uF

AGND

4.7u/16V

C20

0.01uF

C21

0.01uF

R30

C25

1000pF

R25

10K

R24

100R

LOOP-

LOOP+

LATCH

CLOCK

DAT421

4-20mA输出电路

Header2

VDD1

GND1

VIA

VIB

VIC

GND1

GND2

VE2

VOC

VOB

VOA

GND2

VDD2

ADUM1300

V421

AGND

V421

AGND

V3.3

C27

0.1uF

Figure 3.7 4-20mA output circuits

The user can find the relative driver files in routines for 4-20mA collection and output

circuits mentioned above, and can be modified by the user.

4. WH-M Configuration and Read

By WirelessHART configuration tool, the user shall send commands through maintenance

port to configure WH-M and read configuration information. The configuration tool’s

functions include read/write WH-M’s basic information, network information configuration,

Burst configuration, network monitoring, etc. Refer to below for detail usage methods.

4.1 Connected Device

Open WirelessHART configuration tool, see Figure 4.1.

Figure 4.1 Main interface of WirelessHART configuration tool

4-20mA output circuit

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Select an available serial port, select ”Setting(S)-Serial port(S)”, the popup window as

shown in Figure 4.2.

Figure 4.2

After selecting a serial port, its name and serial No. are showed on the left side of the

window, right-click the serial port, as shown in Figure 4.3.

Figure 4.3

Select "SingleNode" or "Search All", the configuration tool begins to search device. When

the device is found, the device label is shown on the left side of the window, and device

list is shown on the right side of the window, including device label, manufacturer, device

type, production date, etc. as shown in Figure 4.4.

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Figure 4.4

Click the device label on the left side of the window , as shown in

Figure 4.5, WH-M’s parameters are listed for read and write.

Figure 4.5 Parameter setting interface

4.2. Parameter Setting

4.2.1 Basic Information

In Figure 4.5, click "Info" on the right side of the window, the configuration tool will

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