Intec Controls MSR PolyGard 2 DGC6 Manuel utilisateur

INTEC Controls | 12700 Stowe Drive, Suite 100, Poway, CA 92064 | Ph: (858) 578.7887 & (888) GO.INTEC | inteccontrols.com

March 03, 2020 – Revision

Digital Gas Controller Series

PolyGard®2 DGC6

User Manual

Software Controller from version 1.01.00 with Display Version 1.00.09

May 2016

INTEC Controls | 12700 Stowe Drive, Suite 100, Poway, CA 92064 | Ph: (858) 578.7887 & (888) GO.INTEC | inteccontrols.com

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DGC6 – UserManual

1 Application .......................................................................................................................................................4

2 Description .......................................................................................................................................................4

2.1 Normal Mode...............................................................................................................................................4

2.2 Alarm Mode .................................................................................................................................................4

2.3 Special Status Mode ...................................................................................................................................5

2.3.1 Fault Mode............................................................................................................................................5

2.3.2 Restart Mode (Warm-up Operation) ..................................................................................................... 5

2.3.3 Service Mode........................................................................................................................................5

2.3.4 UPS Functionality ................................................................................................................................. 5

3 Operating Instruction ...................................................................................................................................... 6

3.1 Function of the Keys and LEDs at the Keypad............................................................................................6

3.2 Setting / Change Parameters or Setpoints..................................................................................................6

3.3 Code Levels ................................................................................................................................................ 7

4 Menu Overview.................................................................................................................................................8

4.1 Fault Management ...................................................................................................................................... 9

4.1.1 Acknowledge a Fault.............................................................................................................................9

4.1.2 History Error.......................................................................................................................................... 9

4.1.3 System Messages and Errors............................................................................................................. 10

4.2 Status Alarm.............................................................................................................................................. 13

4.3 Status Relay .............................................................................................................................................. 13

4.4 Menu Sensor Readings.............................................................................................................................13

4.5 Maintenance Information...........................................................................................................................15

4.6 Menu Data Logger.....................................................................................................................................16

4.6.1 Data Logger Switch On / O󰀨............................................................................................................... 16

4.6.2 Current Values ....................................................................................................................................16

4.6.3 CV Log Rate ....................................................................................................................................... 18

4.6.4 Alarm Status ....................................................................................................................................... 18

4.6.5 Error Status......................................................................................................................................... 19

4.7 Display Parameter.....................................................................................................................................20

4.7.1 Software Version................................................................................................................................. 20

4.7.2 Language............................................................................................................................................20

4.7.3 MM.DD.YY Number ............................................................................................................................21

4.7.4 System Time, System Date ................................................................................................................ 21

4.7.5 Error Time Delay.................................................................................................................................21

4.7.6 X Bus Slave Address .......................................................................................................................... 21

4.8 Menu SP Parameter..................................................................................................................................22

4.8.1 Service................................................................................................................................................23

4.8.2 Menu Relay Parameter.......................................................................................................................24

4.8.2.1 Relay Mode .................................................................................................................................. 25

4.8.2.2 Relay Mode .................................................................................................................................. 25

4.8.2.3 Relay Function Steady / Flash ..................................................................................................... 25

4.8.2.4 Alarm Trigger Quantity ................................................................................................................. 25

4.8.2.5 Horn Function............................................................................................................................... 25

4.8.2.6 External Override of Alarm / Signal Relay via DI.......................................................................... 26

4.8.2.7 Delay Mode of Alarm / Signal Relay............................................................................................. 27

4.8.2.8 OR Operation of Fault to Alarm / Signal Relay............................................................................. 27

4.8.2.9 OR Operation of Maintenance to Alarm / Signal Relay ................................................................ 27

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DGC6 – UserManual

4.8.3 Menu SP Parameters ......................................................................................................................... 28

4.8.3.1 Activate – Deactivate SP.............................................................................................................. 29

4.8.3.2 Lock or Unlock SP........................................................................................................................ 29

4.8.3.3 Selection Gas Type with Unit ....................................................................................................... 30

4.8.3.4 Measuring Range Denition......................................................................................................... 32

4.8.3.5 Stage Setpoint / Hysteresis.......................................................................................................... 33

4.8.3.6 Delay for Alarm ON and/or OFF for Current Value Evaluation..................................................... 33

4.8.3.7 Average Overlay (VDI 2053 Functionality) ................................................................................... 33

4.8.3.8 Latching Mode Assigned to Alarm................................................................................................ 33

4.8.3.9 SP Fault Assigned to Alarm.......................................................................................................... 34

4.8.3.10 Alarm Assigned to Alarm Relay .................................................................................................. 34

4.8.3.11 SP Signal Assigned to Analog Output ........................................................................................ 34

4.8.4 Menu System Setup ...........................................................................................................................35

4.8.4.1 System Information ...................................................................................................................... 35

4.8.4.2 Service Interval ............................................................................................................................ 36

4.8.4.3 Average Function ......................................................................................................................... 36

4.8.4.4 Power On Time ............................................................................................................................ 36

4.8.4.5 Collective Fault Message Error Time ...........................................................................................36

4.8.4.6 Fault Activation by External DI ..................................................................................................... 36

4.8.4.7 GC Address.................................................................................................................................. 36

4.8.4.8 Analog Output .............................................................................................................................. 37

4.8.4.9 Relay Multiplication ...................................................................................................................... 37

4.8.5 Test Function of the Alarm and Signal Relays .................................................................................... 39

4.8.6 Test Function of the Analog Outputs................................................................................................... 40

5 Notes and General Information ....................................................................................................................41

5.1 Intended Product Application..................................................................................................................... 41

5.2 Installer’s Responsibilities .........................................................................................................................41

5.3 Maintenance.............................................................................................................................................. 41

5.4 Limited Warranty .......................................................................................................................................41

INTEC Controls | 12700 Stowe Drive, Suite 100, Poway, CA 92064 | Ph: (858) 578.7887 & (888) GO.INTEC | inteccontrols.com

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DGC6 – UserManual

DGC6 Analog Gas Controller

1 Application

The PolyGard®2 DGC6 Gas Controller is used for monitoring, detection and warning of toxic and combustible gases

and vapors in the ambient air. The DGC6 Gas Controller fullls the requirements according to the European Standard

EN 50545-1 for the stationary monitoring of carbon monoxide (CO), nitrogen dioxide (NO2) and combustible gases

in underground garages, tunnels, go-cart race courses etc. The DGC6 Gas Controller also meets the requirements

according to EN 378, VBG 20 and the guidelines “Safety requirements for ammonia (NH3) refrigeration systems”. The

Gas Controller can be used as well for monitoring other gases and measuring values.

The intended sites are all areas being directly connected to the public low voltage supply, e.g. residential, commercial

and industrial ranges as well as small enterprises (according to EN 5502). The Gas Controller may only be used in

ambient conditions as specied in the technical datasheet.

The PolyGard®2 Gas Controller DGC6 must not be used in potentially explosive atmospheres.

2 Description

The Gas Controller is a measuring, warning and control system for the continuous monitoring of di󰀨erent toxic or

combustible gases and vapors as well as of Freon refrigerants. The DGC6 is suitable for the connection of up to 96

digital sensors like the DT6 Series via the 4-wire bus. Up to 32 analog inputs for the connection of sensors with 4 to

20 mA signal interface are available in addition. The controller can be employed as pure analog controller, as analog/

digital or as digital controller. The total number of connected sensors, however, may not exceed 128 sensors.

Up to four programmable alarm thresholds are available for each sensor. Each sensor alarm threshold can be

assigned up to one of the 32 power relays or up to one of the 96 signal relays. Relays have potential-free change-over

contacts.

The Gas Controller menu structure is very intuitive and simple to use. A number of integrated parameters allow

customized programming for various gas measuring scenarios. Conguration is menu-driven via the keypad. For faster

and easy conguration, you can use the PC based conguration software DGC6-EasyConf.

Prior to commissioning please consult the guidelines for wiring and commissioning of the hardware.

2.1 Normal Mode

In normal mode, the gas concentrations of the active sensors are continuously polled and displayed at the (liquid

crystal) LC display. In addition, the controller continuously monitors itself, its outputs and the communication to all

active sensors and modules.

2.2 Alarm Mode

If the gas concentration reaches or exceeds the programmed alarm threshold, the alarm is triggered, the assigned

alarm relay is activated and the alarm LED (orange for alarm 1, red for alarm 2 + n) starts to ash. The set alarm can

be read from the menu Alarm Status. When the gas concentration falls below the alarm threshold and programmed

hysteresis, the alarm is automatically reset. In latching mode, the alarm must be reset manually at the triggering device

after falling below the threshold. This function is required for combustible gases detected by catalytic bead sensors

generating a falling signal at too high gas concentrations.

INTEC Controls | 12700 Stowe Drive, Suite 100, Poway, CA 92064 | Ph: (858) 578.7887 & (888) GO.INTEC | inteccontrols.com

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DGC6 – UserManual

2.3 Special Status Mode

In the special status mode there are delayed measurements for service and modication, but no alarm evaluation. The

special status is indicated on the display and it always activates the fault relay.

The controller adopts the special status when:

- faults of one or more active devices occur,

- the operation starts up after return of voltage (power on),

- the service mode is activated by the user,

- the user reads or changes parameters,

- an alarm or signal relay is manually overridden in the “Stage Status” menu or via digital inputs.

2.3.1 Fault Mode

If the controller detects an incorrect communication of an active sensor or module, or if an analog signal is outside

the admissible range (< 3.0 mA > 21.2 mA), or if there are internal function errors coming from the self-control

modules incl. watchdog and voltage control, the assigned fault relay is set and the error LED starts to ash Yellow.

The error is displayed in the menu Error Status in clear text. After removal of the cause, the error message has to be

acknowledged (reset) manually in the menu System Errors.

2.3.2 Restart Mode (Warm-up Operation)

Gas sensors need a running-in period, until the chemical process of the sensor reaches stable conditions. During this

running-in period the sensor signal can create a false alarm.

Depending on the connected sensor types, the longest warm-up time has to be entered as power-on time in the

controller. This “Power On Time” is started at the Gas Controller after switching on the power supply and/or after the

return of voltage. During this initial startup phase, the Gas Controller doesn’t display any values and doesn’t activate

any alarms; the controller system isn’t ready for use.

The power-on status occurs on the rst line of the home display.

2.3.3 Service Mode

This operation mode includes commissioning, calibration, testing, repair and decommissioning.

The service mode can be enabled for a single sensor, for a group of sensors as well as for the complete system. In

active service mode pending alarms for the concerned devices are held, but new alarms are suppressed.

2.3.4 UPS Functionality

The supply voltage is monitored in all modes. When reaching the battery voltage in the power pack, the UPS function

of the controller is enabled and the connected battery is charged.

If the power fails, the battery voltage drops down and generates the power failure message.

At empty battery voltage, the battery is separated from the circuit (function of deep discharge protection). When the

power is restored, there will be an automatic return to the charging mode.

No settings and therefore no parameters are required for the UPS functionality.

INTEC Controls | 12700 Stowe Drive, Suite 100, Poway, CA 92064 | Ph: (858) 578.7887 & (888) GO.INTEC | inteccontrols.com

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DGC6 – UserManual

3 Operating Instruction

The complete conguration and service are entered via keypad user interface in combination with the LC display

screen. Two Security password levels provide security against unauthorized changes.

Alarm 1 Alarm 2 - n

Power Fault

INTEC

07.10.16 11:45am

3.1 Function of the Keys and LEDs at the Keypad

Exits programming, returns to the previous menu level.

Enters sub menus, and saves parameter settings.

Scrolls up & down within a menu, changes a value.

Moves the cursor position.

LED orange: Flashes when alarm one or more alarms are active.

Permanently on, when at least one relay is in manual mode.

LED red: Flashes when alarm two and alarms of higher priority are active.

Permanently on, when at least one relay is manually operated.

LED yellow: Flashes at system or sensor failure, or when maintenance date exceeded

or system is placed in Special Mode.

LED green: Power LED

3.2 Setting / Change Parameters or Setpoints

Open desired menu window.

Security Code input eld opens automatically, if a code is approved.

After input of valid code the cursor jumps onto the rst position segment to be changed.

Move the cursor onto the position segment, which has to be changed.

Set the desired parameter / setpoint.

Save the changed value, conrm storage (ENTER).

Cancel storage / close editing / go back to previous higher menu level (ESCAPE function)

INTEC Controls | 12700 Stowe Drive, Suite 100, Poway, CA 92064 | Ph: (858) 578.7887 & (888) GO.INTEC | inteccontrols.com

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DGC6 – UserManual

3.3 Code Levels

According to the regulations of all national and international standards for gas warning systems, all inputs and changes

are protected by a four-digit numeric code (= password) against unauthorized intervention. The menu windows for

status messages and measuring values are visible without entering a code.

The cancellation of a password level takes place when no buttons are pushed within 15 minutes.

The code levels are classied in order of priority: Priority 1 has top priority.

Priority 1: Upper Level (password 9001 – not changeable)

Code level priority 1 is intended for the service technician of the installer to change parameters and set-points. This

password allows working on all settings. For opening the parameter menus you must rst activate the service mode

after code entry.

Priority 2: Lower Level (password 1234 – not changeable)

Code level priority 2 allows the operator:

- to acknowledge faults

- to set date and time

- to congure and to operate the data logger option, after activation of the operation mode “Service Mode”

- to read all parameters

- to manually operate test

INTEC Controls | 12700 Stowe Drive, Suite 100, Poway, CA 92064 | Ph: (858) 578.7887 & (888) GO.INTEC | inteccontrols.com

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DGC6 – UserManual

4 Menu Overview

The Gas Controller DGC6 is operated via a logical and intuitive menu structure. The operating menu contains the

following levels:

● Starting menu with date and time if no SP (sensor point) is dened, otherwise a scrolling display of the gas

concentrations of all active sensors in 5-second intervals. If alarms are active, only the values of

the sensors currently in alarm status are displayed.

● Main menu

● Submenu 1 and 3

INTEC

13.06.13 1:45am

Display of gas

concentration

Power On Time

Power On TimeMain menu

After 30 sec.

Starting menu

Controller information and general setup

See from 4.7

Reading and change of the data logger parameters

See from 4.6

Information about the connected devices

See from 4.5

Display of measuring values

See from 4.4

Display of the signal relays status

Manual operation of the relays

See from 4.3

Display of the alarm relays status

Manual operation of the relays

See from 4.3

Display of the status of actual alarms

See point 4.2

Reading and reset of errors

See from point 4.1

Reading and change of the relay, measuring point

and system parameters (security-relevant)

See from 4.8

Display

Parameters

Data Logger

Maintenance

Information

Sensor Readings

Signal Relays

Status

Alarm Relays

Status

Stage Status

Sy󰀬em Errors

Parameters

INTEC Controls | 12700 Stowe Drive, Suite 100, Poway, CA 92064 | Ph: (858) 578.7887 & (888) GO.INTEC | inteccontrols.com

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DGC6 – UserManual

4.1 Fault Management

The integrated fault management records the rst 100 faults with date and time stamps in the menu “System Errors”.

Additionally a record of the faults occurs in the “History Error”, which can only be read and reset by the service

technician.

A pending fault activates the fault indication relay. The yellow LED (Fault) starts to ash; the fault is displayed in plain

text with date and time in the starting menu.

In case of the fault of a connected sensor the alarms dened in the menu “SP Parameter” are activated in addition.

4.1.1 Acknowledge a Fault

According to the directives for gas measuring, accumulated errors are allowed to be acknowledged automatically. The

automatic acknowledgment of a fault is only possible after having removed the cause!

4.1.2 History Error

The menu “History Error” in the main menu “System Errors” can only be opened via the code level priority 1.

In the error memory, the rst 100 faults that have occurred and have already been acknowledged in the menu “System

Error” are listed for the service technician in non volatile memory.

Attention:

This memory should always be read during maintenance, relevant faults should be tracked and entered in the service

logbook, and nally the memory should be emptied.

Acknowledge the fault message?

Fault message acknowledged.

Example: Communication error DP01 Error

Select menu “History Error”

Fault acknowledged

DP 1 Error

Cancelled

DP 1 Error

Reset?

DP 1 Error

05.02 10:38

Hi󰀬ory Error

INTEC Controls | 12700 Stowe Drive, Suite 100, Poway, CA 92064 | Ph: (858) 578.7887 & (888) GO.INTEC | inteccontrols.com

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DGC6 – UserManual

4.1.3 System Messages and Errors

The devices connected via the analog interface can only report their malfunction by signal under range or over range.

The reason for signal under range usually occurs because of loss of signal do to missing signal from wiring problems.

The following system error messages of the analog interface are detected and recorded:

“AP 0X Overrange” Current signal at analog input > 21.2 mA

Cause: Short-circuit at analog input, analog sensor not calibrated, or defective.

Solution: Check cable to analog sensor, make calibration, replace sensor.

“AP Underrange” Current signal at analog input < 3.0 mA

Cause: Wire break at analog input, analog sensor not calibrated, or defective.

Solution: Check cable to analog sensor, make calibration, replace sensor.

Any device with microprocessor and digital communication - such as digital heads, sensor boards, EP modules and

even the controller - is equipped with extensive self-monitoring systems and diagnostic functions.

They enable detailed conclusions about the error causes and help the installers and operators to quickly determine the

cause, and/or to arrange an exchange.

These errors can only be transmitted when the connection to the central (or tool) is intact.

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