Vivace HART VHC10-P Guida rapida

INSTALLATION, OPERATION, CONFIGURATION AND MAINTENANCE MANUAL

February/2020

VHC10-P

HART® 4 – 20 mA CONVERTER

panel model

VHC10-P CONVERSOR HART

4 – 20 mA MAN AL DE INSTALAÇÃO, OPERAÇÃO, CONFIG RAÇÃO E MAN TENÇÃO

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concession or model register of use/project.

No part of this publication may be reproduced, copied, processed or transmitted on any manner or any

medium (photocopy, scanning, etc.) without the express permission of Vivace Process Instruments Inc., not

even for training or electronic systems.

HART

is a registered mark from HART Communication Foundation.

NOTE

We have reviewed this manual with great care to maintain compliance with the hardware and software

versions described herein. However, due to the dynamic development and version upgrades, the possibility of

technical deviations cannot be ruled out. We cannot accept any responsibility for the full compliance of this

material.

Vivace reserves the right to, without notice, make modifications and improvements of any kind in its products

without incurring in any circumstances, the obligation to make those same modifications to products sold

previously.

The information in this manual is frequently updated. Therefore, when using a new product, please check the

latest version of the manual on the Internet through our website www.vivaceinstruments.com, where it can be

downloaded.

You customer is very important for us. We will always be grateful for any suggestions for improvements as well

as new ideas, which can be sent to the e-mail: contato@vivaceinstruments.com preferably with the title

"Suggestions".

VHC10-P CONVERSOR HART

4 – 20 mA MAN AL DE INSTALAÇÃO, OPERAÇÃO, CONFIG RAÇÃO E MAN TENÇÃO

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SUMMARY

1EQUIPMENT DESCRIPTION..................................................................................................................................5

1.1. BLOCK DIAGRAM.........................................................................................................................................5

2INSTALLATION ......................................................................................................................................................6

3CONFIGURATION ..................................................................................................................................................8

3.1. JUMPERS FOR LOCAL ADJUST AND WRITE PROTECTION ...................................................................8

3.2. HART

PROGRAMMER ................................................................................................................................8

3.3. CONFIGURATION PARAMETERS...............................................................................................................9

3.4. PROGRAMMING TREE FOR HART CONFIGURATOR ............................................................................10

3.5. SAFE OUTPUT............................................................................................................................................12

3.6. FDT/DTM CONFIGURATION......................................................................................................................12

4TECHNICAL CHARACTERISTICS ......................................................................................................................13

4.1. CASE DIMENSIONS ...................................................................................................................................13

4.2. IDENTIFICATION ........................................................................................................................................13

4.3. ORDERING CODE ......................................................................................................................................13

4.4. TECHNICAL AND PHYSICAL SPECIFICATIONS......................................................................................14

4.5. SPARE PARTS............................................................................................................................................14

5WARRANTY..........................................................................................................................................................15

5.1. GENERAL CONDITIONS ............................................................................................................................15

5.2. WARRANTY PERIOD .................................................................................................................................15

APPENDIX I – TECHNICAL ANALYSIS REQUEST ...................................................................................................16

VHC10-P CONVERSOR HART

4 – 20 mA MAN AL DE INSTALAÇÃO, OPERAÇÃO, CONFIG RAÇÃO E MAN TENÇÃO

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It is extremely important that all the safety instructions, installation and operation in this manual are followed

faithfully. The manufacturer is not liable for damage or malfunction caused by improper use of this equipment.

It is recommended to strictly following the rules and good practice relating to installation, ensuring correct

grounding, noise insulation and good quality cables and connections in order to provide the best performance

and durability to the equipment.

Special attention must be considered in relation to installations in hazardous areas, where applicable.

WARNING

•Appoint only skilled people, trained with process and equipment;

•Install equipment only in operation compatible areas, with the proper connections and protections;

•Use proper safety equipment for any handling device in field;

•Turn area power off before equipment installation.

SAFETY PROCEDURES

SYMBOLOGY

Caution - indicates risk or error source

Important Information

General or Specific Risk

Electric Shock Danger

GENERAL INFORMATION

Vivace Process Instruments ensures the operation of this equipment, according to the descriptions

contained in its manual, as well as technical characteristics, not guaranteeing its full performance

in particular applications.

The operator of this equipment is responsible for observing all aspects of safety and prevention of

accidents applicable during the execution of the tasks in this manual.

Failures that might occur in the system, causing damage to property or injury to persons, shall

additionally be prevented by external means to a safe outlet for the system.

This equipment must be used only for the purposes and methods proposed in this manual.

VHC10-P CONVERSOR HART

4 – 20 mA MAN AL DE INSTALAÇÃO, OPERAÇÃO, CONFIG RAÇÃO E MAN TENÇÃO

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1 EQUIPMENT DESCRIPTION

he HART

4-20 mA VHC10-P converter is a member of the Vivace Process Instruments product family, designed to

create up to two additional 4-20 mA current channels, aiding analog monitoring in devices that do not have this

feature (valve positioners, for example) or that need this monitoring in more than one variable.

The converter can be powered by voltages between 12 and 45 Vdc, generating up to two 4-20 mA current channels

(according to NAMUR NE43 standard). Its function is to monitor any user-configured variables of other HART

equipment (regardless of its version) and output them through the current channels.

Its configuration uses the HART

7 communication protocol, already established as the most used in the industrial

automation world for configuration, calibration, monitoring and diagnostics.

The converter configuration is carried out at the beginning of its operating cycle, with the converter in "slave" mode,

being completed by the user by changing the use mode to "master". Configurations can be performed using a

HART

configurator or tools based on EDDL

or FDT/DTM

Prioritizing high performance and robustness, it was designed with the latest technologies in electronic components

and materials, ensuring long-term reliability for systems of any scale.

1.1. BLOC DIAGRAM

The modularization of the converter components is described in the following block diagram.

Figure 1.1 –VHC10-P block diagram.

The DC source input block is responsible for powering all circuits. The current control block is composed of a circuit

that transforms the digital values generated by the microcontroller into 4-20 mA currents, proportional to the

variables monitored by the converter.

The HART

modem block interfaces the microcontroller signals with the HART

line connected to the monitored

equipment.

Finally, the CPU block can be related to the converter's brain, where all the time controls, switching between HART

Master/Slave state machines take place, in addition to routines common to transmitters, such as configuration,

calibration and generation of output values digital for the currents, proportional to the monitored variables.

VHC10-P CONVERSOR HART

4 – 20 mA MAN AL DE INSTALAÇÃO, OPERAÇÃO, CONFIG RAÇÃO E MAN TENÇÃO

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2 INSTALLATION

RECOM

ENDA

TION

When taking the equipment to the installation site, transfer it in the original packaging. Unpack the

equipment at the installation site to avoid damage during transportation.

RECOM

ENDA

TION

The equipment model and specifications are indicated on the identification labels located on the front

and side of the enclosure. Check that the specifications and model provided are as specified for your

application and requirements.

The electrical installation of the VHC10-P converter must be carried out after fixing it to the DIN rail. The HART

channel must be connected between the converter and the equipment to be monitored and, only later, connect the

supplies to the converter's current channels.

Converter connections are shown in figure 2.1 (2-channel model).

Note at the top, that the converter is powered by a voltage source (12 to 45 Vdc - OUT1) and its input is polarized,

with the positive terminal being number 1 (on the left) and the negative terminal being the number 2 (on the right).

Terminals 3 and 4 must be powered by another voltage source (polarized input) to enable the output of current

OUT2 for the two-channel model.

Figure 2.1 – Identification of converter terminals. Table 2.1 – VHC10-P terminal description.

NOT

All cables used to connect the VHC10-P to the HART

network must be shielded to avoid interference

and noise.

NOT

It is extremely important to ground the equipment for complete electromagnetic protection, in addition to

ensuring the correct performance of the converter on the HART

network.

Terminal Description

1 – 2 Terminals for Powering CHANNEL 1 - OUT1

12 to 45 Vcc polarized

3 – 4 Terminals for Powering CHANNEL 2 - OUT2

12 to 45 Vcc polarized

5 – 6 Terminals for Communication – HART

HART

communication with monitored device

7 Not connected terminal

8 Ground terminal

VHC10-P CONVERSOR HART

4 – 20 mA MAN AL DE INSTALAÇÃO, OPERAÇÃO, CONFIG RAÇÃO E MAN TENÇÃO

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At the bottom user can find the HART

communication terminals (terminals 5 and 6). In this case, there is no polarity.

Terminal 7 must be left open and terminal 8 can be optionally grounded.

The VHC10-P can monitor variables from HART

devices powered by voltage (transmitters) or by current (valve

positioners). The communication connections with these devices are represented, respectively, in figures 2.2 and

2.3, below.

In the case of monitoring a transmitter equipment (figure 1.4), a load of 250 ohms is required to enable the

modulation of the current in the HART

standard, in series with the transmitter's supply voltage.

User must use an independent voltage source to power the transmitter, different from the source(s) of the VHC10-P

converter, since the converter output currents will indicate the variables read from the transmitter, as indicated in the

figures.

Communication terminals 5 and 6 of the converter must be connected over the 250 ohm load, where there is

modulation of the HART

signal in the current.

Figure 2.2 – Connection between converter and transmitter Figure 2.3 – Connection between converter and valve

– 2-channel model. positioner.

In the case of monitoring a valve positioner (figure 2.3), a 250 ohm load is not required for communication, as the

valve positioner is powered by a 4-20 mA current input.

Note that in this example only one output is used to monitor the valve position by reading the positioner's PV

variable.

Communication terminals 5 and 6 of the converter must be connected directly to the current supply input of the

positioner.

INSTAL

TION

When mounting the equipment in panels or boxes in the field, make sure that the moisture seals are

adequate and ensure that the connections to the unused box entries are closed, as the ingress of

moisture can generate low insulation and damage the electronic circuits.

In wet conditions, damage caused to the equipment will NOT be covered by the warranty.

VHC10-P CONVERSOR HART

4 – 20 mA MAN AL DE INSTALAÇÃO, OPERAÇÃO, CONFIG RAÇÃO E MAN TENÇÃO

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3 CONFIGURATION

3.1. JUMPERS FOR LOCAL ADJUST AND WRITE PROTECTION

In addition to the software write protection function, using a

configurator, user can change the hardware protection (figure 3.1),

in order to ensure that no user can remotely modify their settings.

Software write protection does not disable hardware protection and

vice versa. For write protection to be disabled, both must be

disabled.

NOT

The default condition for write protection jumper is

DISABLED.

Figure 3.1 – Hardware write protection.

3.2. HART

PROGRAMMER

The configuration of the equipment can be performed using a programmer compatible with HART

technology.

Vivace offers VCI10 HART

line interfaces (USB or Bluetooth) as a solution for configuration and monitoring of

HART

line equipment.

Figure 3.2 exemplifies the use of the USB interface with a personal computer that has HART

configurator software

installed, for communication with a valve positioner.

A 250Ωresistor must be used in series with the equipment power supply when the equipment to be monitored is

powered via voltage, if the source does not have this load internally, to enable HART

communication over the 4-20

mA current. Vivace interfaces already have this load internally.

Figure 3.2 – Installation of converter for monitoring a valve positioner – only 1 channel.

WP1 Write Protection

Enabled

Disabled

VHC10-P CONVERSOR HART

4 – 20 mA MAN AL DE INSTALAÇÃO, OPERAÇÃO, CONFIG RAÇÃO E MAN TENÇÃO

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3.3. CONFIGURATION PARAMETERS

Parameters are available for user configuration through a HART

programmer. In addition to the parameters inherent

to the protocol, there are some basic parameters to be configured before starting the converter: the address of the

equipment to be monitored, the codes of the variables to be monitored, units and working ranges for calculating the

currents.

The parameters inherent to the protocol concern the converter itself, basically dealing with its identification (Tag,

Description, Date, Address) and calibration of the currents to be used as output signals of the monitored variables.

For more details on each of these parameters and where to configure them, see section 3.5.

CONFIGURATION WINDOW

VHC10-P normally works as a "master" in order to monitor the "slave" equipment and generate currents proportional

to the monitored variables. So, converter will not receive HART

commands from another master, making it

impossible to configure it when in this mode.

To configure it, the user must follow the procedure below.

a. Reset VHC10-P converter

The converter will wait for configuration commands to be received. If no command is sent within 30 seconds", the

"master mode will be enabled automatically.

b. Localize the conversor

Using a HART

configurator, poll device at address one (1) – or at the address modified by user user.

c. Change mode to Configuration

In the "Settings" directory, change the converter mode to "Configuration". From this moment on, the user will be able

to make any configuration with peace of mind, without the converter going back to the "master" mode.

d. Configure addresses, variables and ranges

User must verify that the address of the "slave" equipment, the codes of the variables to be monitored, working

ranges and units are correct.

The variables to be monitored can be chosen among the dynamic variables (PV, SV, TV or QV) or by a variable-

specific code index (check the indexes available in the monitored product manual).

e. Change mode to Monitoring

In the "Settings" directory, change the converter mode to "Monitoring" (or "Enable Master Mode", according to the

configurator used). From this moment on, the user will no longer be able to configure the converter and it will work in

"master" mode.

CAUTION

As VHC10-P converter will be connected on the same HART

line as the equipment monitored, its default

address is one (1). Therefore, when using the HART

configurator for configuration, this address must be

entered by the user in the 'Polling Address' field.

CAUTION

If the converter enters monitoring mode and the user wants to change any configuration, the procedure

must be restarted.

NOT

Vivace configuration tools such as VMT-HART and converter DTM already send this command

automatically. In this case, the user can go straight to item d..

VHC10-P CONVERSOR HART

4 – 20 mA MAN AL DE INSTALAÇÃO, OPERAÇÃO, CONFIG RAÇÃO E MAN TENÇÃO

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IDENTIFYING SLAVE DEVICE

After installing the converter on the HART

network, user must configure the address of the equipment to be

monitored (0 to 15, for HART

6 or earlier; 0 to 63, for HART

7) and the variable codes of this equipment to be

converted to 4-20 mA current.

In the case of variables, user can choose between main dynamics (PV, SV, TV or QV) or manually enter the code of

the desired variable, if it is not one of the four above.

With these configurations completed, user will be able to activate the monitoring of the slave equipment ('Enable

Master Mode') in the “Configuration” menu, when the converter will start to try to identify the slave equipment at the

configured address.

In case of success, the monitoring of the configured variables will start automatically, generating the 4-20 mA output

currents proportional to the values configured in the parameters of the respective working ranges and current

calibrations (HART

standard).

CONFIGURATION EXAMPLE:

Converter: Address 1

Slave Device: Address 0

Monitored Variable 1: PV%

Variable 1 Unit: %

Variable 1 Range: 0% to 100%

Monitored Variable 2: SV

Variable 2 Unit: °C

Variable 2 Range: -20°C a 150°C

Table 3.1 – Example of monitoring for 2-channel converter.

3.4. PROGRAMMING TREE FOR HART CONFIGURATOR

The programming tree is a tree-like structure with a menu of all available software features, as shown in the figure.

3.3.

Figure 3.3 – VHC10-P programming tree.

To configure the converter online, make sure it is correctly installed, with the proper supply voltage and a minimum of

250 Ωof line impedance, necessary for communication with the slave equipment (in the case of voltage-supplied

transmitters, only).

NOT

The codes for each variable must be provided by the manufacturer of each equipment.

VAR1 = PV% OUT1 VAR2 = SV OUT2

0,0% 4,0 mA -20,0

°C

4,0 mA

25,0% 8,0 mA 22,5

°C

8,0 mA

50,0% 12,0 mA 65,0

°C

12,0 mA

75,0% 16,0 mA 107,5

°C

16,0 mA

100,0% 20,0 mA 150,0

°C

20,0 mA

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