Directed Electronics d300.1 Manual de usuario descargar pdf (Pagina 7)

6 VAC D300 PSS EVE0105 A-(en)

FUNCTIONAL SPECIFICATIONS (common data for versions “Intelligent with

communication” HART, PROFIBUS-PA, FOUNDATION Fieldbus H1, FoxCom)

Features

Automatic start-up .......This function will

automatically determine the mechanical end positions of

the valve, the IP parameters, and action of the actuator

spring and the control parameters. The control parameters

are optimized dynamically during this procedure. In this

procedure, an accurate adjustment will optimize actuator

performance without additional manual settings.

Short autostart ........Automaticdetermination of the

mechanical end positions of the valve (initial value and final

value), IP parameters, action of the actuator spring,

without changing the control parameters.

Options

• Built-in independent inductive limit switches

• Pressure sensors for monitoring of air supply and out-

put pressure I (y1)

• Additional inputs / outputs:

• Position feedback 4-20 mA + binary alarm output

• 2 binary outputs (position alarms)

• 2 binary inputs

Operation and Configuration

• Simple configuration by means of 3 local push buttons,

with multilingual menu-driven graphic LCD, or LED.1)

The LCD contains three different menu languages.

Standard menu languages:

- English - German

Freely selectable third language:

- French - Portuguese - Spanish

- Italian - Swedish - ...

(further menu languages on request)

The third menu language has to be selected and specified

with the order, otherwise standard: French.

The third, freely selectable menu language can be modified

to another language by means of the configuration software

PC20/PC50.

1) Not with version FoxCom

2) With the versions “Intelligent without communication” this is only

possible with modem EDC82

3) By means of “Additional inputs / outputs”

Position feedback and Alarms

Positionfeedback.........viacommunication

Optional

.............4-20mAPositionfeedback

Alarms.................viacommunication

Optional

.............1Alarmoutput

Positions-Alarms .........viacommunication,

Upper and lower pre-alarm

Upper and lower main alarm

Optional

.............2binaryoutputs,

Upper and lower pre-alarm

Upper and lower main alarm

Independant feedback

Limit signal switch (inductiv) . Normal version

Security version etc.

Diagnostics

–inthefield

• Self diagnostics

• Status and Diagnostic messages

• determines number of cycles, movements of actuator

– via communication and in the field

• shows condition of device:

- Potentiometer

- exceeding range of actuator (possible indication for wear

of plug or seat)

- remaining control deviation (possible indication for jam-

med actuator, blocked valve stem or plug, not sufficient

air capacity /supply air pressure /positioning pressure)

• if equipped with pressure sensors (optional):

• surveillance of air supply and output pressure,

each with display of physical value

• Additional diagnostical possibilities in control operation

by means of external sensors (optional).

Service plug and IrCom

All basic devices (except FoxCom version) are equipped with

a service plug. There via RS232 interface a PC with PC20 /

PC50 (FDT-Software) can be connected via modem EDC82

(galv. separated, not Ex).

If the D300 is equipped with option “IrCom”, communication

can take place contactless via infrared with the positioner

(even with a closed cover!). Modem “IR Interface” (not Ex)

is connected via RS232 interface to a PC (for practical

reasons a notebook) with software PC20 / PC50 (FDT soft-

ware) and makes possible a range of approx. 1 m.

(If the notebook has an IrDa interface, this cannot be used,

despite similar technique. The IrDa instruction set has no

communication commands for positioners.-)

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