Intec Controls PolyGard DGC3 User manual
Customer Services (858) 578-7887 & (888) GO INTEC
INTEC Controls, 12700 Stowe Dr., Suite 100, Poway, CA 92064
Fax (858) 578-4633 & (888) FX INTEC
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Specication subject to change without notice.
Printed in USA 130917
September 17, 2013 – Revision
Polygard® is a registered trademark of MSR DGC3
PolyGardGas Controller DGC3
Digital Gas Controller for up to 16 Gas Transmitters
User Manual
July 2011
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DGC3 – UserManual
Polygard® is a registered trademark of MSR | DGC3
12700 Stowe Drive, Suite 100, Poway, CA 92064 | Ph: (858) 578.7887 & (888) GO.INTEC | relevantsolutions.com/inteccontrols
PolyGard®is a registered trademark of MSR-Electronic GmbH | DGC3
January 04, 2016 – Revision
INTEC Controls | 12700 Stowe Drive, Suite 100, Poway, CA 92064 | Ph: (858) 578.7887 & (888) GO.INTEC | inteccontrols.com
February 11, 2020 – Revision
Customer Services (858) 578-7887 & (888) GO INTEC
INTEC Controls, 12700 Stowe Dr., Suite 100, Poway, CA 92064
Fax (858) 578-4633 & (888) FX INTEC
www.inteccontrols.com
Specication subject to change without notice.
Printed in USA 130917
Polygard® is a registered trademark of MSR DGC3
PolyGard® Digital Gas Controller
User Manual - DGC3 Page 02
1Intended Use .......................................................................................................................................... 3
2Operating Instruction ............................................................................................................................ 4
2.1Description Keypad User Interface ................................................................................................... 4
2.2Setting / Changing Parameters or Set points.................................................................................... 4
2.3Code Levels...................................................................................................................................... 5
3Menu Overview ...................................................................................................................................... 5
3.1Fault Management............................................................................................................................ 6
3.1.1Acknowledge a Fault ................................................................................................................. 6
3.1.2Error Memory ............................................................................................................................ 6
3.1.3System Errors............................................................................................................................ 7
3.2Status Alarm..................................................................................................................................... 8
3.3Status Relay ..................................................................................................................................... 8
3.3.1Manual Operation of the Relays ................................................................................................ 8
3.4Menu Measuring Values ................................................................................................................... 9
3.5Menu Relay Parameters ................................................................................................................. 10
3.5.1Relay Mode ............................................................................................................................. 11
3.5.2Relay Function Static / Flash ................................................................................................... 11
3.5.3Latching Mode......................................................................................................................... 11
3.5.4Horn Function.......................................................................................................................... 12
3.5.5External Relay Operation......................................................................................................... 13
3.5.6Delay Mode of the Relay. ........................................................................................................ 13
3.6Menu MP Parameters..................................................................................................................... 13
3.6.1Activate – Deactivate MP......................................................................................................... 15
3.6.2Selection Gas Type ................................................................................................................. 15
3.6.3Measuring Range .................................................................................................................... 16
3.6.4MP Signal ................................................................................................................................ 16
3.6.5Threshold / Hysteresis............................................................................................................. 16
3.6.6Delay of Alarm ON or OFF ...................................................................................................... 16
3.6.7Control Mode........................................................................................................................... 17
3.6.8MP Fault Assigned to Alarm .................................................................................................... 17
3.6.9Alarm Assigned to Alarm Relay ............................................................................................... 17
3.6.10MP Signal Assigned to Analog Output..................................................................................... 17
3.7Menu System Parameters .............................................................................................................. 18
3.7.1Service Mode .......................................................................................................................... 19
3.7.2Software Version ..................................................................................................................... 19
3.7.3Maintenance Concept.............................................................................................................. 19
3.7.4Average Function .................................................................................................................... 20
3.7.5Customer Password (Code 4) ................................................................................................. 20
3.7.6Analog Output ......................................................................................................................... 20
3.7.7Define the Fault Relay ............................................................................................................. 20
3.7.8Power On Time ....................................................................................................................... 21
3.7.9Registration of Extension Modules .......................................................................................... 21
3.7.10Error Indicator System Bus...................................................................................................... 21
4Notes and General Information........................................................................................................... 22
4.1Intended Product Application.......................................................................................................... 22
4.2Installers` Responsibilities .............................................................................................................. 22
4.3Maintenance................................................................................................................................... 22
4.4Limited Warranty ............................................................................................................................ 22
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PolyGard®is a registered trademark of MSR-Electronic GmbH | DGC3
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Specifications subject to change without notice. | USA 200211 | Page 2of 22
DGC3 – UserManual
Customer Services (858) 578-7887 & (888) GO INTEC
INTEC Controls, 12700 Stowe Dr., Suite 100, Poway, CA 92064
Fax (858) 578-4633 & (888) FX INTEC
www.inteccontrols.com
Specication subject to change without notice.
Printed in USA 130917
Polygard® is a registered trademark of MSR DGC3
PolyGard® Digital Gas Controller
User Manual - DGC3 Page 03
Digital Gas Controller DGC3
1 Intended Use
The PolyGard®measuring, controlling and evaluating system DGC3 (Digital Gas Controller) is used for the
detecting and warning of toxic and combustible gases and vapours in the ambient air, mainly in multi-story
buildings and underground car parks.
The DGC3 Gas Controller fulfills the requirements according to VDI 2053 (January 04), German regulations for car
parks, ÖNORM and NVN 2443 for the stationary monitoring of carbon monoxide (CO), nitrogen dioxide (NO2) and
combustible gases.
The Gas Controller is suitable for the connection of up to 16 digital gas transmitters of the DT5 series. Up to four
alarm thresholds are free programmable per measuring point (MP). Each alarm threshold can be assigned to one
of the maximum 14 alarm relays (RX). With its up to 5 analog output signals (4-20 mA) the Gas Controller can be
used for the continuously various activation of frequency converters etc.
The free adjustable parameters and alarm threshold enable a very flexible use in the gas measuring technique.
Simple and comfortable commissioning is possible thanks to the configuration with preset parameters.
Configuration, parameter settings and operation are done via the logical, easy system menu structure without
specific programming knowledge.
The intended sites within the ambient conditions as specified in the Technical Data 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 EN50 082).
The PolyGard®Gas Controller DGC3 must not be used in potentially explosive atmospheres.
Prior to commissioning, it is essential to consider the included guidelines for wiring and commissioning of this
hardware.
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DGC3 – UserManual
PolyGard®is a registered trademark of MSR-Electronic GmbH | DGC3
INTEC Controls | 12700 Stowe Drive, Suite 100, Poway, CA 92064 | Ph: (858) 578.7887 & (888) GO.INTEC | inteccontrols.com
Specifications subject to change without notice. | USA 200211 | Page 3of 22
DGC3 – UserManual
Customer Services (858) 578-7887 & (888) GO INTEC
INTEC Controls, 12700 Stowe Dr., Suite 100, Poway, CA 92064
Fax (858) 578-4633 & (888) FX INTEC
www.inteccontrols.com
Specication subject to change without notice.
Printed in USA 130917
Polygard® is a registered trademark of MSR DGC3
PolyGard® Digital Gas Controller
User Manual - DGC3 Page 04
2 Operating Instruction
The complete configuration, parameterization and service are made via keypad user interface in combination with
the display screen. Security is provided via four password levels against unauthorised intervention.
2.1 Description Keypad User Interface
Exits programming and saves settings, returns to the previous menu level.
Enters submenus, save setting.
Scrolls up in main menu and submenus, increases or decreases a value.
Moves the cursor.
LED orange: Flashes when alarm one or more alarms are active.
Permanently on, when at least one relay is manually operated.
LED red: Flashes when alarm two or more alarms are active.
Permanently on, when at least one relay is manually operated.
LED yellow: Flashes at system or sensor failure or when maintenance needed.
LED green: Power LED
2.2 Setting / Changing Parameters or Set points
Open desired menu window.
Code window opens, if no code level approved.
After inputting the valid code the cursor jumps on the first position segment to be changed.
Push the cursor onto the position segment, which is to be changed.
Change the parameter / set point.
Save the changed value.
Finished
INTEC Controls
DGC3
Alarm 1 Alarm 2
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DGC3 – UserManual
PolyGard®is a registered trademark of MSR-Electronic GmbH | DGC3
INTEC Controls | 12700 Stowe Drive, Suite 100, Poway, CA 92064 | Ph: (858) 578.7887 & (888) GO.INTEC | inteccontrols.com
Specifications subject to change without notice. | USA 200211 | Page 4of 22
DGC3 – UserManual
Customer Services (858) 578-7887 & (888) GO INTEC
INTEC Controls, 12700 Stowe Dr., Suite 100, Poway, CA 92064
Fax (858) 578-4633 & (888) FX INTEC
www.inteccontrols.com
Specication subject to change without notice.
Printed in USA 130917
Polygard® is a registered trademark of MSR DGC3
PolyGard® Digital Gas Controller
User Manual - DGC3 Page 05
2.3 Code Levels
All inputs and changes are protected by a four-digit numeric code (= password) against unauthorised intervention.
All menu windows are visible without entering a code.
Level 1: (1234)
Code level 1 allows the operator to acknowledge alarms and to manually activate the alarm relays.
Level 2:
Code level is intended for the service technician to change parameters and set-points.
Level 3:
With code level 3 it is possible to register and deregister transmitters in addition to code level 1. This code is
released by MSR only in emergency situations.
Level 4:
Code level 4 is intended for updating the maintenance date. Normally the code is only known by the service
technician and can be changed individually via code level 2.
The release of a code level is cancelled if no button is pushed within 15 minutes.
3 Menu Overview
The operation of the Gas Controller DGC3 is done via a simple and logical menu structure which is easy to learn.
The operating menu contains the following levels:
Starting menu: Scrolling of the measuring points of all registered transmitters in 10-second intervals.
Main menu
Submenu 1 and 2
Starting menu Main menu Submenu
Display and reset of errors
See from point 3.1
Displays the status of actual alarms
See point 3.2
Display of the relay status
Manual operation of the relays
Reset function of the relays
See from point 3.3
Displays the measured values
See point 3.4
Display and change of the relay parameters
See from point 3.5
Display and change of the measuring point parameters
Activate or deactivate MP
Assignment of the alarms to the alarm relays
See from point 3.6
Display and change of the system parameters
See from point 3.7
INTEC Controls
DGC3
System Errors
Status Alarm
Status Relay
Measuring Values
Relay Parameter
MP Parameter
System Parameter
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DGC3 – UserManual
PolyGard®is a registered trademark of MSR-Electronic GmbH | DGC3
INTEC Controls | 12700 Stowe Drive, Suite 100, Poway, CA 92064 | Ph: (858) 578.7887 & (888) GO.INTEC | inteccontrols.com
Specifications subject to change without notice. | USA 200211 | Page 5of 22
DGC3 – UserManual
Customer Services (858) 578-7887 & (888) GO INTEC
INTEC Controls, 12700 Stowe Dr., Suite 100, Poway, CA 92064
Fax (858) 578-4633 & (888) FX INTEC
www.inteccontrols.com
Specication subject to change without notice.
Printed in USA 130917
Polygard® is a registered trademark of MSR DGC3
PolyGard® Digital Gas Controller
User Manual - DGC3 Page 06
MP 01.1 Error
Erased Error still
exists
3.1 Fault Management
The integrated fault management records the last 15 faults in the menu “System Errors” with a stamp indicating
how many days the error has already existed. The day counter subtracts active ones from 365. Additionally a
record of the faults occurs in the “Error Memory”, which can be selected and reset only by the service technician.
An actual fault is displayed in plain text in the starting menu. The failure relay which is defined in the system
parameter “Failure relay” is activated. The yellow LED in the front of the gas controller flashes.
In case of fault of a measuring point (MP) the alarms defined in the menu “MP Parameter” are activated
additionally.
3.1.1 Acknowledge a Fault
Attention:
Acknowledging a fault is only possible after having removed the cause.
Select menu “System Errors”
Example: Communication error MP 01.1
Reset the fault?
Fault reset
or
Fault reset Cause not eliminated
Reset not possible
3.1.2 Error Memory
The menu “Error Memory” in the main menu “System Error” can only be opened via code level 2.
In the error memory the last 15 faults even those already acknowledged in the menu “System Error” are listed for
the service technician. The deletion of each individual message is effected in the same way as the reset of a fault.
System Errors
MP 01.1 Error
Tage 365
MP 01.1 Error
Reset ??
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Polygard® is a registered trademark of MSR | DGC3
Specifications subject to change without notice. | USA 160104 | Page 6of 22
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DGC3 – UserManual
PolyGard®is a registered trademark of MSR-Electronic GmbH | DGC3
INTEC Controls | 12700 Stowe Drive, Suite 100, Poway, CA 92064 | Ph: (858) 578.7887 & (888) GO.INTEC | inteccontrols.com
Specifications subject to change without notice. | USA 200211 | Page 6of 22
DGC3 – UserManual
Customer Services (858) 578-7887 & (888) GO INTEC
INTEC Controls, 12700 Stowe Dr., Suite 100, Poway, CA 92064
Fax (858) 578-4633 & (888) FX INTEC
www.inteccontrols.com
Specication subject to change without notice.
Printed in USA 130917
Polygard® is a registered trademark of MSR DGC3
PolyGard® Digital Gas Controller
User Manual - DGC3 Page 07
3.1.3 System Errors
The following system error messages are recorded:
MP XX.1 Error Communication error to transmitter MP XX.1
Cause: Bus line interrupted or short-circuited. MP XX.1 registered at the controller, but not
addressed, transmitter defective.
Solution: Check line to transmitter, check transmitter address, replace transmitter
MP XX.1 Overrange
MP XX.1 Underrange Sensor signal at the transmitter out of the measuring range.
Cause: Transmitter not calibrated, defective.
Solution: Calibrate transmitter, replace transmitter.
MP XX.2 > 22 mA Current signal at analog input for transmitter MP XX > 22 mA.
Cause: Short-circuit at analog input, AT transmitter not calibrated, defective.
Solution: Check cable to AT transmitter, perform calibration, replace AT transmitter.
MP XX.2 < 3 mA Current signal at analog input MP XX < 3 mA.
Cause: Wire break at analog input, AT transmitter not calibrated, defective.
Solution: Check cable to AT transmitter, perform calibration, replace AT transmitter.
GC Error: Internal communication error I/O Board to LCD Board.
Cause: Internal error.
Solution: Replace the Gas Controller.
EP 0X Error Communication error to expansion module EP 0X.
(Only active, if EP 0X is registered).
Cause: EP module address not correct. (See Commissioning)
Bus cable to EP 0X module interrupted.
No power supply at the EP 0X module.
EP module defective.
Solution: Check and correct the EP module address.
Check bus line and power supply.
Replace EP 0X module.
Maintenance: System maintenance is necessary.
Cause: Maintenance date exceeded.
Solution: Perform maintenance.
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DGC3 – UserManual
PolyGard®is a registered trademark of MSR-Electronic GmbH | DGC3
INTEC Controls | 12700 Stowe Drive, Suite 100, Poway, CA 92064 | Ph: (858) 578.7887 & (888) GO.INTEC | inteccontrols.com
Specifications subject to change without notice. | USA 200211 | Page 7of 22
DGC3 – UserManual
Customer Services (858) 578-7887 & (888) GO INTEC
INTEC Controls, 12700 Stowe Dr., Suite 100, Poway, CA 92064
Fax (858) 578-4633 & (888) FX INTEC
www.inteccontrols.com
Specication subject to change without notice.
Printed in USA 130917
Polygard® is a registered trademark of MSR DGC3
PolyGard® Digital Gas Controller
User Manual - DGC3 Page 08
MP 02.1
A1 A2
R 01
OFF
3.2 Status Alarm
Display of the actual alarms in plain text in the order of their arrival. Only those measuring points are displayed,
where at least one alarm is active. Changes are not possible in this menu.
Symbol Description Function
MP 02 Measuring
Point No.
AX Status alarm
A1 = Alarm 1 ON
A2 = Alarm 2 ON
A3 = Alarm 3 ON
A4 = Alarm 4 ON
3.3 Status Relay
Display of the actual status of alarm relays. Manual operation of the alarm relays.
Symbol Description Setting
Status Function
R 01 Relay No. 01 Select Relay No.
OFF Status relay OFF
OFF
ON
Manual OFF
Manual ON
= Relay OFF (No gas alarm)
= Relay ON (Gas alarm)
= Relay manual OFF
= Relay manual ON
3.3.1 Manual Operation of the Relays
The manual operation of the alarm relays is managed in the menu “Status Relay”. If a relay is in the manual ON or
OFF status, the orange/ red alarm LED at the Gas Controller is lit continuously.
The external operation of the alarm relay via an assigned digital input has priority to the manual operation in the
menu “Status Relay” and to gas alarm.
Relays manually operated in the menu “Status Relay” are deleted again by selecting the function “Automatic”.
Acknowledging the relays in latching mode is also effected in this menu.
Select the relay
Select the function of manual operation
Manual ON = Relay ON
Select the function Manual OFF = Relay OFF
Automatic = Delete manual operation.
Reset? = Reset of a latching mode.
Take over the function
R 01
OFF
Manual ON
Manual OFF
Manual OFF
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Specifications subject to change without notice. | USA 160104 | Page 8of 22
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DGC3 – UserManual
PolyGard®is a registered trademark of MSR-Electronic GmbH | DGC3
INTEC Controls | 12700 Stowe Drive, Suite 100, Poway, CA 92064 | Ph: (858) 578.7887 & (888) GO.INTEC | inteccontrols.com
Specifications subject to change without notice. | USA 200211 | Page 8of 22
DGC3 – UserManual
Customer Services (858) 578-7887 & (888) GO INTEC
INTEC Controls, 12700 Stowe Dr., Suite 100, Poway, CA 92064
Fax (858) 578-4633 & (888) FX INTEC
www.inteccontrols.com
Specication subject to change without notice.
Printed in USA 130917
Polygard® is a registered trademark of MSR DGC3
PolyGard® Digital Gas Controller
User Manual - DGC3 Page 09
MP 01 CO ppm
50 *AV 33 CV
MP 01
MP 01.2 Ex %LEL
10 AV 13*CV
MP 01.1 CO ppm
50 *AV 33 CV
3.4 Menu Measuring Values
This menu is for displaying the current value (CV) or the average value (AV) with gas unit and gas type for each
active measuring point according to the defined mode of control (CV or AV mode). For gas type CO both values
are displayed together.
MP 01.1= Measured value of the bus transmitter with MP address 01.
MP 01.2= Measured value of the analog transmitter connected to the bus transmitter via MP address 01.
The MP address and the display depend on the installed software.
In the version without analog transmitters at the 4 to 20 mA input of the DT- 05 the addresses are listed from
MP-01 to MP 16.
In the version with additional analog transmitters the addresses are listed from 1 to 8 with the index XX.1 for the
measured value of the bus transmitter and with XX.2 for the measured value of the analog transmitter.
Display for software version 16 bus transmitters
--------------------------------------------------------------------------------------------------------------------------------------------
Display for software version 8 bus transmitters and 8 analog transmitters
--------------------------------------------------------------------------------------------------------------------------------------------
Symbol Description Default Function
MP 01.1 Measuring point No. Bus transmitter with address 01
MP XX.1Measured value Measured value bus transmitter at address XX
MP XX.2Measured value Measured value analog transmitter at bus transmitter
with address XX
CO Gas type See 3.6.2
ppm Gas unit See 3.6.2
CV Current value Current value of gas concentration
AV Average value Average value (10 measured values within the time unit)
* Control mode Display of selected control mode (CV or AV)
Not active Status MP MP not active
Error Fault MP Current signal < 3 mA or > 22 mA
MP 01
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DGC3 – UserManual
PolyGard®is a registered trademark of MSR-Electronic GmbH | DGC3
INTEC Controls | 12700 Stowe Drive, Suite 100, Poway, CA 92064 | Ph: (858) 578.7887 & (888) GO.INTEC | inteccontrols.com
Specifications subject to change without notice. | USA 200211 | Page 9of 22
DGC3 – UserManual
Customer Services (858) 578-7887 & (888) GO INTEC
INTEC Controls, 12700 Stowe Dr., Suite 100, Poway, CA 92064
Fax (858) 578-4633 & (888) FX INTEC
www.inteccontrols.com
Specication subject to change without notice.
Printed in USA 130917
Polygard® is a registered trademark of MSR DGC3
PolyGard® Digital Gas Controller
User Manual - DGC3 Page 10
3.5 Menu Relay Parameters
Display and change of the parameters for each alarm relay.
(Main menu)
(Select relay No.)
(Relay No. 05 not available in the DGC3 for hardware reasons)
Relay mode
See 3.5.1
Relay function
See 3.5.2
Activate latching mode
See 3.5.3
Definition of horn function
See 3.5.4
Definition of external relay operation
See 3.5.5
Set time for switch ON delay
See 3.5.6
Set time for switch OFF delay
See 3.5.6
Relay Mode
De- energized
Static / Flash
0 s
Relay Parameter
R 01
Latching Mode
No
Time Quitt. DI
0s 0 0
External Mode
DI: ON = 0: OFF = 0
Delay ON Time
0 s
Delay OFF Time
0 s
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DGC3 – UserManual
PolyGard®is a registered trademark of MSR-Electronic GmbH | DGC3
INTEC Controls | 12700 Stowe Drive, Suite 100, Poway, CA 92064 | Ph: (858) 578.7887 & (888) GO.INTEC | inteccontrols.com
Specifications subject to change without notice. | USA 200211 | Page 10 of 22
DGC3 – UserManual
Customer Services (858) 578-7887 & (888) GO INTEC
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Fax (858) 578-4633 & (888) FX INTEC
www.inteccontrols.com
Specication subject to change without notice.
Printed in USA 130917
Polygard® is a registered trademark of MSR DGC3
PolyGard® Digital Gas Controller
User Manual - DGC3 Page 11
3.5.1 Relay Mode
Definition of relay mode:
Symbol Description Setting
Status Function
R 01 Relay No. Selection of relay
De-
energized Relay Mode De-
energized
De-energized
Energized
= Alarm ON = Relay ON
= Alarm ON = Relay OFF
3.5.2 Relay Function Static / Flash
Definition of relay function
Symbol Description Setting
Status Function
R 01 Relay No. Selection of relay
0 Function 0
0 = Relay function static
> 0 = Relay function flashing (= Time period in sec.)
Impulse / Break = 1:1
3.5.3 Latching Mode
Definition of latching function
Symbol Description Setting
Status Function
R 01 Relay No. Selection of relay
No Latching Mode No No
Yes
= Latching mode inactive
= Latching mode active
Acknowledging a latching relay in the menu “Status Relay” is only possible if the gas concentration is again lower
than the alarm threshold including hysteresis. In this case the status latching occurs in the display.
Example: Alarm relay R2 with latching mode
Alarm 2
Display in the Menu
Status Relay
Relay 2
Reset in the Menu
Status Relay
On
Off
On
Off
On
Off
R2
Off
R2
On
R2
On
R2
On
R2
Latching
R2
Off
Gas concentration higher lower than threshold
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DGC3 – UserManual
Customer Services (858) 578-7887 & (888) GO INTEC
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User Manual - DGC3 Page 12
3.5.4 Horn Function
The alarm relay is defined as horn relay by this parameter with the following possibilities to reset.
By pressing any of the 4 push-buttons (only possible in the starting menu).
Automatic reset at the end of the fixed time.
By an external push-button (assignment of the digital input).
The horn function is only activated if at least one of the two parameters (time or digital input) is set.
Special function Response
After acknowledging the relay (by push-button or externally) time starts. When this time has run out and the alarm
is still acting, the relay is set again.
Symbol Description Setting
Status Function
R 04 Relay No. Selection of relay
Quitt Mode 0
0 = Reset of the relay after time having run out, or by push-button
1 = Reset of the relay by push-button, after time having run out and
when alarm is still acting, relay is set again. (Response function).
Time 120 Time for automatic reset function or response function
0 = no reset function
DI 0 Assignment, which digital input resets the relay.
Acknowledge the horn relay
Alarm 4
Relay 4
Gas concentration higher lower than threshold
Acknowledging
signal
On
Of
On
Off
On
Off
Time
Special function “Response”. (Return of the horn relay)
Alarm 4
Relay 4
Gas concentration higher lower than threshold
Acknowledging-
signal
On
Off
On
Off
On
Off
Time Time
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Specifications subject to change without notice. | USA 200211 | Page 12 of 22
DGC3 – UserManual
Customer Services (858) 578-7887 & (888) GO INTEC
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www.inteccontrols.com
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User Manual - DGC3 Page 13
3.5.5 External Relay Operation
Assignment of the digital input (DI) for external switching of the alarm relay (ON and/or OFF). This function has
priority to gas alarm and/or manual switching in the menu “Status Relay”.
Symbol Description Setting
Status Function
R 01 Relay No. Relay Selection
DI-ON External On 0 If digital input closed, relay switches ON
DI-OFF External Off 0 If digital input closed, relay switches OFF
3.5.6 Delay Mode of the Relay.
Delay time ON starts when the alarm is released and/or delay time OFF starts when the alarm returns to normal
condition.
Symbol Description Setting
Status Function
R 01 Relay No. Relay Selection
0 s Delay Time ON 0 Mode ON: Relay is only activated at the end of the defined time
(sec.) 0 sec. = No delay
0 s Delay Time OFF 0 Mode OFF: Relay is only deactivated at the end of the defined
time (sec.) 0 sec. = No delay
3.6 Menu MP Parameters
Display and change of MP parameters including activation of measuring points and assignment of alarm relays
The presentation of the MP parameters depends on the installed software. See 3.4 Menu Measuring Values.
(Main menu)
MP01.1= Parameter
digital transmitter
(Selection MP No.) MP01.2= Parameter
analog transmitter
Activate or deactivate MP
See 3.6.1
Define gas type
See 3.6.2
MPXX.X Mode
active
Gas type
CO
MP Parameter
MP 01 MP 01.1
active
MP 01.2
active
MPXX.X Mode
active
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DGC3 – UserManual
Customer Services (858) 578-7887 & (888) GO INTEC
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User Manual - DGC3 Page 14
Define measuring range
See 3.6.3
Adjust signal form of the transmitter
See 3.6.4
Define threshold 1
See 3.6.5
Define threshold 2
See 3.6.5
Define threshold 3
See 3.6.5
Define threshold 4
See 3.6.5
Hysteresis
See 3.6.5
Set alarm ON delay
See 3.6.6
Set alarm OFF delay
See 3.6.6
Define control mode
See 3.6.7
Assignment MP fault to alarm
See 3.6.8
Assignment alarm to alarm relay
See 3.6.9
Assignment MP signal to analog output
See 3.6.10
Measuring range
300 ppm
MP Signal
Linear
Threshold 1
80 ppm
Threshold 2
100 ppm
Threshold 3
120 ppm
Threshold 4
120 ppm
Hysteresis
15 ppm
Delay time ON
0 s
Delay time OFF
0 s
C/A Mode
CV
Alarm - 1 2 3 4
Fault - 0 0 0 0
A1; A2; A3; A4
01; 02; 03, 04
Analog Output
0
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DGC3 – UserManual
Customer Services (858) 578-7887 & (888) GO INTEC
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PolyGard® Digital Gas Controller
User Manual - DGC3 Page 15
3.6.1 Activate – Deactivate MP
Symbol Description Setting
Status Function
MP 01 Measuring point Selection MP No.
Active MP Mode Not
active
Active = Measuring point activated at the controller
Not active = Measuring point not activated at the controller
3.6.2 Selection Gas Type
Assign gas type to attached gas transmitters.
Symbol Description Setting
Status Gas type Unit Measuring
range1
MP 01 Measuring point
CO Gas type CO
CO
O2>
O3
TOX
CO2
RH
Temp.
R22
R134
R123
R11
R411
R410
R407
R416
R404
R409
R408
R402
R401
VOC
ETC
Cl2
H2S
SO2
Ex
O2<
NH3
NO2
NO
Ex
Carbon monoxide
Oxygen (increasing)2
Ozone
Toxic gas
Carbon dioxide4
Humidity
Temperature
Refrigerant gas
Refrigerant gas
Refrigerant gas
Refrigerant gas
Refrigerant gas
Refrigerant gas
Refrigerant gas
Refrigerant gas
Refrigerant gas
Refrigerant gas
Refrigerant gas
Refrigerant gas
Refrigerant gas
Air quality
Ethylene oxide
Chlorine
Hydrogen sulphide
Sulphur dioxide
Carbon dioxide5
Oxygen (falling)3
Ammonia
Nitrogen dioxide
Nitrogen oxide
Combustible gas
ppm
Vol%
ppm
ppm
ppk
% r. F.
°C
ppm
ppm
ppm
ppm
ppm
ppm
ppm
ppm
ppm
ppm
ppm
ppm
ppm
ppm
ppm
ppm
ppm
ppm
ppm
Vol%
ppm
ppm
ppm
%LEL
0 – 300
0 – 25
0 – 5
0 – XX
0 – 50
0 – 100
0 – 50
0 – 2000
0 – 300
0 – 300
0 – 300
0 – 300
0 – 300
0 – 300
0 – 300
0 – 300
0 – 2000
0 – 2000
0 – 2000
0 – 2000
0 – 2000
0 – 20
0 – 100
0 – 200
0 – 100
0 – 2000
0 – 25
0 – 300
0 – 25
0 – 50
0 – 100
1Recommendation without obligation
2Oxygen measurements: Alarm at increasing concentration
3Oxygen measurements: Alarm at falling concentration
4Carbon dioxide measurements with unit ppk (1 vol% = 10 ppk)
5Carbon dioxide measurements with unit ppm (1 vol% = 10.000 ppm)
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DGC3 – UserManual
Customer Services (858) 578-7887 & (888) GO INTEC
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User Manual - DGC3 Page 16
3.6.3 Measuring Range
The measuring range can be defined arbitrarily between 10 and 10000. The measuring ranges in the table gas
type are only recommendations without obligation.
The measuring range must agree with the range of the attached gas transmitter.
3.6.4 MP Signal
Gas transmitters using electro-chemical or catalytic beat gas sensors normally produce a linear signal,
proportional to the gas concentration.
Semiconductor gas sensors produce a non-linear (exponential) signal due to their measuring principle. This signal
leads to a non-linear output signal of the gas transmitter.
The Gas Controller DGC3 is prepared for both types, for gas transmitters with linear signal as well as for analog
transmitters with semiconductor sensor and non-linear signal. The signal type is defined in this menu.
Symbol Description Setting
Status Function
MP 01 Measuring Point Selection of MP No.
Linear MP Signal Linear Linear = Transmitter with linear output signal
Non linear = Transmitter with non-linear output signal
3.6.5 Threshold / Hysteresis
For each measuring point four alarm thresholds are available for free definition. If the gas concentration exceeds
the adjusted alarm threshold, the associated alarm is set. If the gas concentration falls below the alarm threshold
inclusive hysteresis the alarm is reset again.
Unused alarm thresholds have to be defined with full scale value, in order to avoid false alarms.
For O2measurement: Pay attention to the alarm activation at decreasing or increasing concentration!
Symbol Description Default
Status Function
MP 01 Measuring Point Selection MP No.
40 ppm Threshold
40
80
100
120
15
Threshold 1
Threshold 2
Threshold 3
Threshold 4
Hysteresis
Gas concentration > Threshold 1 = Alarm 1
Gas concentration > Threshold 2 = Alarm 2
Gas concentration > Threshold 3 = Alarm 3
Gas concentration > Threshold 4 = Alarm 4
Gas concentration < (Threshold X –Hysteresis)
= Alarm X OFF
3.6.6 Delay of Alarm ON or OFF
Definition of alarm ON and/or alarm OFF delay. The function applies to all alarms of an MP.
Symbol Description Default
Status Function
MP 01 Measuring Point Selection of MP No.
0 s Delay Time ON 0 Gas concentration > Threshold: Alarm is only activated at the end
of the fixed time (sec.). 0 sec. = No Delay
0 s Delay Time OFF 0 Gas concentration < Threshold: Alarm is only deactivated at the
end of the fixed time (sec.). 0 sec. = No Delay
The delayed activation of an existing gas alarm can cause damage to persons and objects.
The commissioning technician and/or the operator are solely responsible for the activation.
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Specifications subject to change without notice. | USA 200211 | Page 16 of 22
DGC3 – UserManual
Customer Services (858) 578-7887 & (888) GO INTEC
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Fax (858) 578-4633 & (888) FX INTEC
www.inteccontrols.com
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Printed in USA 130917
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PolyGard® Digital Gas Controller
User Manual - DGC3 Page 17
3.6.7 Control Mode
Definition of the alarm evaluation by means of current (CV) or average value (AV).
Symbol Description Default
Status t Function
MP 01 Measuring Point Selection of MP No.
CV Evaluation CV
CV = Control by the current gas value
AV = Control by the average gas value
Current- average value function see: 3.7.4
3.6.8 MP Fault Assigned to Alarm
Definition, which alarms are activated in case of a fault at the measuring point.
Symbol Description
Default
Status Function
MP 01 Measuring Point Selection of MP No.
Alarm - 1 2 3 4
Fault - 1 1 0 0 Fault MP 1 1 0 0 0 = Alarm not set at MP fault
1 = Alarm set at MP fault
3.6.9 Alarm Assigned to Alarm Relay
Each of the 4 alarms can be assigned to any alarm relay. Unused alarms are not assigned to any alarm relay.
Symbol Description Default
Status Function
MP 01 Measuring Point Selection of MP No.
1
A1
A2
A3
A4
01
02
03
00
01 = Alarm 1 activates alarm relay R 01
02 = Alarm 2 activates alarm relay R 02
03 = Alarm 3 activates alarm relay R 03
04 = Alarm 4 doesn’t activate any alarm relay
3.6.10 MP Signal Assigned to Analog Output
The measuring point signal can be assigned to the analog output. At this the signal defined in the control mode
(current or average value) is transmitted.
Analog output see also: 3.7.2
Symbol Description Default
Status Function
MP 01 Measuring Point Selection of MP No.
0 A 0
0 = MP Signal not assigned to analog output
1 = MP Signal assigned to analog output 1
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Specifications subject to change without notice. | USA 200211 | Page 17 of 22
DGC3 – UserManual
Customer Services (858) 578-7887 & (888) GO INTEC
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Fax (858) 578-4633 & (888) FX INTEC
www.inteccontrols.com
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PolyGard® Digital Gas Controller
User Manual - DGC3 Page 18
3.7 Menu System Parameters
Displays and changes the system parameters of the Gas Controller module.
(Main Menu)
See 3.7.1
See 3.7.2
See 3.7.3
See 3.7.3
See 3.7.4
See 3.7.4
See 3.7.3
See 3.7.5
See 3.7.7
See 3.7.8
See 3.7.9
See 3.7.9
Software Version
DGC03- XX
Maintenance due in
days 211
System Parameter
Service Mode
OFF
Service Phone
+49/(0)8531/90040
AV Overlay
120 s. 120 ppm
AV Time
1800 s
Maintenance interval
Days: 365
Customer Pass
Change ****
Failure Relay
XX
Power On Time
30 s
EP Module 1
Inactive
EP Module 2
Inactive
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Specifications subject to change without notice. | USA 200211 | Page 18 of 22
DGC3 – UserManual
Customer Services (858) 578-7887 & (888) GO INTEC
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PolyGard® Digital Gas Controller
User Manual - DGC3 Page 19
See 3.7.10
See 3.7.6
Siehe See 3.7.6
Analog Output 3-6
3.7.1 Service Mode
When the service mode is active (ON) the alarms are not transmitted to the alarm relays (in case of calibration or
service work). The service mode ON is reset automatically after 60 minutes or manually in the menu “Service
Mode”.
Symbol Description Default
Status Function
Off Service Mode Off Off = Alarms activate the associated alarm relays
On = Alarms are not transmitted to the alarm relays
3.7.2 Software Version
Symbol Description Default
Status Function
DGC03-
XX
Software
Version XX = Software Version
3.7.3 Maintenance Concept
Integrated in the DGC3 system, there is a control of the maintenance intervals as required by law or by the
customer. At commissioning or after maintenance the number of days until the next due maintenance is entered =
Reset of the maintenance message (service phone no.). When the days counter reaches zero, the failure signal is
activated the following morning at 9 o’clock, and the phone no. of the service technician occurs in the display. The
remaining days until the next maintenance can be read from the menu “Maintenance in”.
The service phone no. can be entered individually in the next menu.
Symbol Description Default
Status Function
XXX Maintenance in Remaining days until the next maintenance
XXX Maintenance interval Reset of the maintenance message by entering the
number of days until the next maintenance
0853.... Phone No. Input of the individual service phone no.
Calibration AO 1
4.0=4 mA 20 = 20.0
Analog Output
3 to 6
Analog Output 1
Max.
Analog Output
Correct - Error
0 0
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Specifications subject to change without notice. | USA 200211 | Page 19 of 22
DGC3 – UserManual
Customer Services (858) 578-7887 & (888) GO INTEC
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Fax (858) 578-4633 & (888) FX INTEC
www.inteccontrols.com
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Printed in USA 130917
Polygard® is a registered trademark of MSR DGC3
PolyGard® Digital Gas Controller
User Manual - DGC3 Page 20
3.7.4 Average Function
For each active measuring point the Gas Controller module calculates the arithmetic average value out of 10
measurements got within the time unit defined in the menu “AV Time”. This average value is indicated in the menu
“Measuring Values” next to the current value. At each measuring point the control mode (current or average value)
is defined for the alarm evaluation.
The alarm evaluation of the control mode average value is overlaid by the current value, when the current value
exceeds the alarm threshold defined in the menu “AV Overlay”. The overlay is delayed by the time factor defined
in this menu. With time factor 0 sec. the overlay is not active.
Symbol Description Default
Status Function
120 s
120 ppm AV Overlay 120 s
120 ppm
sec. = Delay time of average value overlay. 0 = No overlay function
ppm = Alarm threshold of average overlay
1800 s AV Time 1800 s sec. = Time for the calculation of the average value
3.7.5 Customer Password (Code 4)
Change the system password for level 4
Symbol Description Default
Status Function
XXXX Customer
Password
XXXX = Definition of an individual 4-digit customer’s password
(level 4)
3.7.6 Analog Output
The Gas Controller has up to 5 analog outputs (AO) with 4 to 20 mA signal. The signal of one or more measuring
points can be assigned to each analog output. The assignment is performed in the menu “MP Parameters” for
each MP. The measuring point sends the signal as defined in the menu “C/A Mode” (CV or AV).
Out of the signals of all assigned measuring points the Gas Controller module determines the minimum, the
maximum or the average value and transmits it to the analog output. The definition, which value is transmitted, is
effected in the menu “Analog Output X”.
In mA mode, each analog output can be calibrated at 4 or at 20 mA. Therefore an ampere meter (measuring range
25 mA) can be attached to the AO and the respective factor has to be changed until the analog output
corresponds to 4 or 20 mA. During calibration evaluation of the measuring point signals is not possible. This
calibration is effected by the factory. The factors shall not be changed.
Symbol Description Default
Status Function
Max. Select
Output Mode Max.
Min. = Displays the minimum value of all assigned MP
Max. = Displays the maximum value of all assigned MP
Average = Displays the average value of all assigned MP
4.0
20.0 Calibration 4.0
20.0
4. = Calibration factor at 4 mA
20.0 = Calibration factor at 20 mA
3.7.7 Define the Fault Relay
Definition of the fault relay. See also fault management (3.1)
Symbol Description Default
Status Function
X Fault Relay R X RX = Define the fault relay
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Polygard® is a registered trademark of MSR | DGC3
Specifications subject to change without notice. | USA 160104 | Page 20 of 22
12700 Stowe Drive, Suite 100, Poway, CA 92064 | Ph: (858) 578.7887 & (888) GO.INTEC | relevantsolutions.com/inteccontrols
DGC3 – UserManual
PolyGard®is a registered trademark of MSR-Electronic GmbH | DGC3
INTEC Controls | 12700 Stowe Drive, Suite 100, Poway, CA 92064 | Ph: (858) 578.7887 & (888) GO.INTEC | inteccontrols.com
Specifications subject to change without notice. | USA 200211 | Page 20 of 22
DGC3 – UserManual
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