Intec Controls PolyGard 2 DC6 Manuale utente

PolyGard2DC6 Multi-Sensor-Controller

Controller for Analog and Digital Sensor Cartridges

Serial No.

User Manual

Version 19.06 2019 en

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

March 09, 2020 – Revision

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. | GAMSC2_E_0619 | USA 200309 | Page 2of 17

DC6 – UserManual

1 Intended Use................................................................................................................3

2 Functional Description................................................................................................3

2.1 General.........................................................................................................................................3

2.2 Function Outputs .........................................................................................................................3

2.3 Relay Mode ..................................................................................................................................4

2.4 Relay Function Static / Flash .......................................................................................................4

2.5 Horn Function (not safe output circuit because resettable).........................................................4

3 Installation....................................................................................................................5

3.1 Mounting Instructions ..................................................................................................................5

3.2 Installation Work...........................................................................................................................5

4 Electrical Connection..................................................................................................6

4.1 Wiring ...........................................................................................................................................6

4.2 Wiring Diagrams...........................................................................................................................7

5 Commissioning............................................................................................................9

5.1 General Notes ..............................................................................................................................9

5.2 Optical Check...............................................................................................................................9

5.3 Selection Gas Type with Unit .......................................................................................................9

6 Conﬁguration and Parameter Cards .......................................................................10

7 Inspection and Service .............................................................................................13

7.1 Functional Tests (for Initial Operation and Maintenance) ...........................................................13

7.2 Trip Test with Reference Gas......................................................................................................13

7.3 Calibration..................................................................................................................................14

8 Technical Data ...........................................................................................................15

9 Part Disposal..............................................................................................................17

10 Notes and General Information..............................................................................17

12.1 Intended Product Application ..................................................................................................17

12.2 Installers’ Responsibilities........................................................................................................17

12.3 Maintenance.............................................................................................................................17

12.4 Limited Warranty ......................................................................................................................17

1 Intended Use

The PolyGard2DC6 is designed for detection and warning of toxic, combustible or dangerous atmosphere

in many commercial and industrial applications.

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 EN50 082).

The PolyGard2DC6 Multi Sensor Controller must not be used in potentially explosive atmospheres. The

sensor must only be employed in areas within the environmental conditions specified in the Technical Data.

2 Functional Description

2.1 General

The Multi-Sensor-Controller is designed for the connection of max. three sensors, two of them may be different

cartridges of the SC2 series via local bus and/or two of them analog sensors with 4-20 mA signal of the AT6

series. The function of the sensor series SC2 or AT6 is not the subject of this User Manual but can be found in

the User Manual of the SC2 / AT6.

The controller monitors the measured values and activates the alarm relays if the set alarm thresholds for pre-

alarm and main alert are exceeded. In addition, the values are provided for direct connection to the BMS via an

RS-485 interface and also as 4-20 mA output.

The SIL 2 compliant self-monitoring function in the DC6 and in the connected Sensor Cartridge activates the

fault message in case of an internal error as well as in case of a fault in the local bus communication (SC2)

and/or at the 4-20 mA input / output current signals.

Other options such as LCD display, three-color status LED, buzzer, digital input for acknowledgment or test

function, various communication protocols ensure proper adaptation to the wide range of applications in gas

detection technology. For convenient commissioning the DC6 can be pre-configured and parametrised with

factory-set defaults.

2.2 Function Outputs

SHORT DESCRIPTION OF THE FUNCTION: DIGITAL OUTPUTS WITH THREE RELAYS

Action

Reaction

Relay 1

(Alarm1)

Reaction

Relay 2

(Alarm2)

Reaction

Warning

light

(Alarm 2)

Reaction

Horn

(Alarm 2)

Reaction

Relay 3

(Alarm2 +

fault)

Reaction

LED

Sensor signal < alarm threshold 1

OFF

GREEN

Sensor signal > alarm threshold 1

OFF

RED

Sensor signal > alarm threshold 2

RED

Sensor signal alarm threshold 2,

but button Horn OFF activated

OFF

OFF after

delay ON

RED

Measuring signal < (alarm

threshold 2 - hysteresis) but >=

alarm threshold 1

OFF

RED

No alarm, no fault

OFF

GREEN

No fault, but maintenance due

OFF

GREEN

flashing

Internal error

OFF

YELLOW

Note 1: Status OFF = Relay is configured “Alarm ON = Relay“ or the MSC is free from tension.

Note 2: Alarm thresholds can have the same value, therefore the relays and/or the horn and flashlight can be triggered together.

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. | GAMSC2_E_0619 | USA 200309 | Page 3of 17

DC6 – UserManual

2.3 Relay Mode

Definition of the relay operation mode:The terms energized / de-energized come from the terms energized /

de-energized to trip principle (open-circuit / closed circuit principle) used for safety circuits. The terms refer to

the activation of the relay coil, not to the relay contacts (as they are executed as a changeover contact and

available in both principles).

The LEDs attached to the modules show the two states in analogy. (LED off -> relay de-energized)

2.4 Relay Function Static / Flash

Definition of the relay function: The function "flashing" represents a connection option for warning devices to

improve visibility. If” flashing” is set, this must not be used as a safe output circuit any more.

A combination of relay mode energized with flashing operation makes no sense and is therefore suppressed.

2.5 Horn Function (not safe output circuit because resettable)

The horn function is considered active if at least one of the two parameters (time or assignment to digital input)

is set. The horn function retains its functionality even for alarms in latching mode.

Special function: Recurrence of the horn relay

After an alarm has been triggered, the horn will remain active until it is acknowledged. After acknowledgment of

the horn relay/s (clicking a button or via external input) a timer starts. When this time has run out and the alarm

is still acting, the relay is set again. This process is repeated endlessly as long as the associated alarm

remains active.

Alarm 2

Relay 2

Gas concentration higher lower than threshold

Acknowledging-

signal

Off

Time Time

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. | GAMSC2_E_0619 | USA 200309 | Page 4of 17

DC6 – UserManual

3 Installation

Electronics can be destroyed by electrostatic discharge (ESD). Therefore, the installation work

should be done only by persons connected to ground,e. g. with a wrist strap connected to ground

or by standing on a conductive floor (acc. to DIN EN 100015).

3.1 Mounting Instructions

When choosing the mounting site please pay attention to the following:

•The mounting height depends on the relative density of the gas type to be monitored (see User Manual

of Sensor Cartridge).

•Choose mounting location of the sensor according to the local regulations.

•Consider ventilation conditions! Do not mount the sensor near the airflow (air passages, suction holes

etc.).

•Mount the sensor at a location with minimum vibration and minimum variation in temperature (avoid

direct sunlight).

•Avoid locations where water, oil etc. may influence proper operation and where mechanical damage

might be possible.

•Provide adequate space around the sensor for maintenance and calibration work.

•Observe possible constructor’s instructions.

3.2 Installation Work

Assembly work must only be carried out under gas-free conditions.

The housing must neither be spot-drilled nor drilled through outside the knockouts.

The installation position of the gas detector is always with the sensor head downwards.

•Open housing cover.

•Break out the required pre-embossed knockouts on the housing for cable glands and Sensor

Cartridge.

•Cables are introduced from above, the sensor head SC2 / AT6 downwards.

•The DC6 Controller is fixed to the wall through the four marked mounting points at the back side of

the housing. These mounting points are accessible after opening the housing. See figure below.

•The dimensions XX depend on the type and can be read on the back of the housing, in the housing

version of CX, it is115 mm.

•The mounting points are covered by closing the cover at the end of the assembly.

•Close the cover.

Installation of Controller:

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. | GAMSC2_E_0619 | USA 200309 | Page 5of 17

DC6 – UserManual

4 Electrical Connection

Assembly work must only be carried out under gas-free conditions!

Consider static electricity instructions (ESD)!

4.1 Wiring

•The technical requirements and regulations for wiring, electrical security, as well as project specific

and environmental and local conditions etc. must be observed when mounting.

•We recommend the following cable types1:

USA / Canada

14 AWG / 300 V

min. 300 V

Europe

Power supply 230 V NYM-J 3 x 1.5 mm2

Alarm message 230 V (also possible together with power supply) NYM-J X x 1.5 mm2

Signal message, bus connection to DGC6, warning devices 24 V J-Y(St)Y 2x2 x 0.8 mm2

Possibly connected external analog transmitters J-Y(St)Y 2x2 x 0.8 mm2min. 300 V

1The recommendation does not consider local conditions such as fire protection etc.

•Use copper conductors only for the terminal is only for connection to copper wire.

•Avoid any influence of external interferences by using shielded cables for the bus line, but do not

connect the shield.

•Strip the cables as short as possible. It is important to ensure that bare wires, e.g. wire shields,do not

come into contact with the mounted PCB (risk of short-circuit).

•Low voltage wire and mains connected wire must be fixed separately by cable ties or similar, to secure

against looseness.

•When choosing the option “Power Supply ≥ 90 VAC” you must make sure that a switch or a circuit

breaker is provided in the building automation especially for the Unit. It must be installed easily

accessible near the Unit. It has to be marked as a disconnecting device for the Unit and shall meet the

relevant requirements of UL/IEC 60947 and UL/IEC 60947-3

•Analog sensors are connected directly to the spring type terminals of the module. The correct polarity

must be observed.

•Digital sensors are connected directly to the local bus socket.

•The alarm signals are available as potential-free change-over contacts.

The exact position of the terminals for the sensors and alarm relays is shown in the connection diagrams.

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. | GAMSC2_E_0619 | USA 200309 | Page 6of 17

DC6 – UserManual

PG2 NETWORK CABLE RECOMMENDATION for

RS-485 Com Link & 24 VDC Power Trunk/Bus:

Connect Air #W202P-2288INTEC Cable or equivalent

recommended; 20 AWG, 4-conductor, one shielded

twisted pair (for comm), all wires different colors

4.2 Wiring Diagrams

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. | GAMSC2_E_0619 | USA 200309 | Page 7of 17

DC6 – UserManual

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 200304 | Page 3of 5

DC6

Short Description of the Function: Digital Outputs With Three Relays

Action Reaction

Relay 1

(Alarm 1)

Reaction

Relay 2

(Alarm 2)

Reaction

Strobe Light

(Alarm 2)

Reaction

Horn

(Alarm 2)

Reaction

Relay 3

(Alarm 2 + fault)

Reaction

LED

Gas signal < alarm threshold 1 OFF OFF OFF OFF ON GREEN

Gas signal > alarm threshold 1 ON OFF OFF OFF OFF RED

Gas signal > alarm threshold 2 ON ON ON ON ON RED

Gas signal ≥ alarm threshold 2,

but button Horn OFF activated OFF ON OFF after

delay ON RED

Gas signal < (alarm threshold 2 -

hysteresis) but >= alarm threshold 1 ON OFF OFF OFF OFF RED

No alarm, no fault OFF OFF OFF OFF ON GREEN

No fault, but service due OFF OFF OFF OFF ON GREEN (ashing)

Internal error OFF OFF ON OFF OFF YELLOW

Note 1: Status OFF = Relay is congured “Alarm ON = Relay” or in the event of a power failure.

Note 2: Alarm thresholds can have the same value, therefore the relays and/or the horn and strobe can be triggered together.

DIMENSIONS

inches (mm)

5.12

(130)

6.22

(158)

5.12

(130)

5.12

(130)

5.12

(130)

2.25

(57)

1.30

(33)

0.94

(24)

1.26

(32)

0.91

(23)

0.94

(24)

Protective Sensor Cap

(optional accessory)

SENSOR BOARD COMPONENTS

DC6 Sensor Board

Service Tool Port

Local Bus_1

Power Supply

Local Bus_2

Digital (Binary)

Inputs

WAO

(Horn/LED)

Field Bus | AnalogOutput

X12

Relay 1

Relay 2

Relay 3

Analog Inputs | Digital Output

X13

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 200304 | Page 3of 5

DC6

Short Description of the Function: Digital Outputs With Three Relays

Action Reaction

Relay 1

(Alarm 1)

Reaction

Relay 2

(Alarm 2)

Reaction

Strobe Light

(Alarm 2)

Reaction

Horn

(Alarm 2)

Reaction

Relay 3

(Alarm 2 + fault)

Reaction

LED

Gas signal < alarm threshold 1 OFF OFF OFF OFF ON GREEN

Gas signal > alarm threshold 1 ON OFF OFF OFF OFF RED

Gas signal > alarm threshold 2 ON ON ON ON ON RED

Gas signal ≥ alarm threshold 2,

but button Horn OFF activated OFF ON OFF after

delay ON RED

Gas signal < (alarm threshold 2 -

hysteresis) but >= alarm threshold 1 ON OFF OFF OFF OFF RED

No alarm, no fault OFF OFF OFF OFF ON GREEN

No fault, but service due OFF OFF OFF OFF ON GREEN (ashing)

Internal error OFF OFF ON OFF OFF YELLOW

Note 1: Status OFF = Relay is congured “Alarm ON = Relay” or in the event of a power failure.

Note 2: Alarm thresholds can have the same value, therefore the relays and/or the horn and strobe can be triggered together.

DIMENSIONS

inches (mm)

5.12

(130)

6.22

(158)

5.12

(130)

5.12

(130)

5.12

(130)

2.25

(57)

1.30

(33)

0.94

(24)

1.26

(32)

0.91

(23)

0.94

(24)

Protective Sensor Cap

(optional accessory)

SENSOR BOARD COMPONENTS

DC6 Sensor Board

Service Tool Port

Local Bus_1

Power Supply

Local Bus_2

Digital (Binary)

Inputs

WAO

(Horn/LED)

Field Bus | AnalogOutput

X12

Relay 1

Relay 2

Relay 3

Analog Inputs | Digital Output

X13

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. | GAMSC2_E_0619 | USA 200309 | Page 8of 17

DC6 – UserManual

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 200304 | Page 4of 5

DC6

WIRING CONFIGURATION

DC6 Sensor Board

123 1234

Digital (Binary)

Inputs

Digital

Inputs

Analog

Output

Field Bus Analog

Inputs

Digital

Output

F_Bus_A

F_Bus_B

4-20 mA

Local

Bus_1

Local

Bus_2

24 VDC

AI_01

AI_02

GND

Horn

Strobe Light

F_Bus_A

F_Bus_B

AO_01

GND

DI_1

DI_2

GND

1234567

X11

X12

X13

X1 321 X2 321 X3 321 X4 321

24 VDC

GND

4-20 mA

1 2 3

24 VDC

GND

123

4-20 mA

AT6

Sensor 1*

AT6

Sensor 2*

SC2

Sensor 1*

* Note: Combination of (3) total sensors allowed:

(2) local SC2 sensors + (1) remote AT6 sensor;

(1) local SC2 sensor + (2) remote AT6 sensors;

SC2

Sensor 2*

24 VDC

0 VDC

Relays drawn de-energized.

Relay Mode = Energized (Alarm ON = Relay OFF)

Signal

Relay 1

Signal

Relay 2

Signal

Relay 3 (Fault)

Power Supply

1 2

F_Bus_A

F_Bus_B

X12

X1 3 2

24 VDC

0 VDC

Field Bus

24 VDC

0 VDC

F_Bus_A

F_Bus_B

DC6

DC6 Last Device on Trunk Segment

If this DC6 is the last

device on a PG2 trunk

segment, use a 560 Ω

resistor at terminal X12

pins 1 and 2.

F_Bus_A

F_Bus_B

1234

X12

5 Commissioning

5.1 General Notes

Only trained technicians should perform the following when commissioning:

•Install the Sensor Cartridge(s) if not already installed.

•Check for correct mounting location.

•Check if connection is correct according to connection diagram.

•Check power voltage.

•Calibrate (if not already factory-calibrated).

Required instruments for commissioning (calibration):

•Service Tool STL6 or

•DPT6 incl. EasyConfig Software and USB/RS-485 communication set

•See document PolyGard®2 Sensor Calibration Procedure

For sensors that e.g. can be poisoned by silicones like all semiconductor and catalytic bead sensors, it is

imperative to remove the protective cap supplied only after all silicones are dry, and then energize the device.

For fast and comfortable commissioning, we recommend proceeding as follows. For digital devices with self-

monitoring all internal errors are visible via the LED. All other error sources often have their origins in the field,

because it is here where most of the causes for problems in the field bus communication appear.

5.2 Optical Check

•Right cable type used.

•Correct mounting height according to definition in Mounting.

•LED status

5.3 Selection Gas Type with Unit

The selection of the desired and connected gas sensor type is made by pre-set values.

If other gas sensor types are connected, you have to adjust them with the configuration tool, because

otherwise the device will respond with an error message.

The selection contains all necessary information for the controller and is also used for comparing the real

digital data with the settings.

This feature increases the user and operating security. There is an entry available per gas type for each unit; at

the moment, there are 100 selection options.

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

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DC6 – UserManual

6 Configuration and Parameter Cards

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. | GAMSC2_E_0619 | USA 200309 | Page 10 of 17

DC6 – UserManual

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 1of 3

PolyGard®2 DC6 Card Parameters

* Default value/selection

Active

SP1

SP2

SP3

Sensor No. Bus/Analog Gas Type Measuring Range

Input Conﬁguration

Hysteresis

CV ON-Delay Time [sec.] 0

CV OFF-Delay Time [sec.] 0

Threshold 1 CV

Threshold 2 CV

Threshold 3 CV

Threshold 4 CV

Analog Output Assignment 1

Relay

Alarm 1 SR

Alarm 2 SR

Alarm 3 SR

Alarm 4 SR

Fault Latching

Alarm/Fault/Latching -> Assignment

Parameter for The Central Processing of The Measured Value

Active*/Inactive

Unlock*/Lock

Gas Type

Measuring Range

SP1 Parameters

Hysteresis

CV ON-Delay Time [sec.] 0

CV OFF-Delay Time [sec.] 0

Threshold 1 CV

Threshold 2 CV

Threshold 3 CV

Threshold 4 CV

Analog Output Assignment 1

Relay

Alarm 1 SR

Alarm 2 SR

Alarm 3 SR

Alarm 4 SR

Fault Latching

Alarm/Fault/Latching -> Assignment

Parameter for The Central Processing of The Measured Value

Active*/Inactive

Unlock*/Lock

Gas Type

Measuring Range

SP2 Parameters

Hysteresis

CV ON-Delay Time [sec.] 0

CV OFF-Delay Time [sec.] 0

Threshold 1 CV

Threshold 2 CV

Threshold 3 CV

Threshold 4 CV

Analog Output Assignment 1

Relay

Alarm 1 SR

Alarm 2 SR

Alarm 3 SR

Alarm 4 SR

Fault Latching

Alarm/Fault/Latching -> Assignment

Parameter for The Central Processing of The Measured Value

Active*/Inactive

Unlock*/Lock

Gas Type

Measuring Range

SP3 Parameters

Sensor Point Parameters

Address

Indice

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