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Section 6 

ZGARD CX II Controller 

Serial I/O Feature & Operation

 

 

BACnet:

  All  BACnet  registers  are  read-only  and 

are  intended  for  remote  monitoring  purposes  only.  
Writing to a register is not permitted.   
 

BACnet Object Table:

 

 

    Analog: 

– 99: Gas Value, Sensor 1 – 99  

101 

– 199: Gas Range, Sensor 1 – 99  

201 

– 299: Caution Setpoint, Sensor 1 – 99  

301 

– 399: Warning Setpoint, Sensor 1 – 99  

401 

– 499: Alarm Setpoint, Sensor 1 – 99  

501 

– 508: High Select, Zone 1 – 8  

511 

– 518: No. Sensors, Zone 1 – 8  

 
    Multi-State: 

101 

– 199: Alarm State, Sensor 1 – 99  

201 

– 299: Zone Assignment, Sensor 1 – 99  

301 

– 399: RS-485 Port, Sensor 1 – 99  

401 

– 499: GasID, Sensor 1 – 99  

 

    Binary: 

– 40: Relay Status, Relay 1 – 99  

BACnet  Baud  Rate:

  The  BACnet  baud  rate  is 

selectable  from  the  configuration  menu  (see  page 
9.7).    Available  choices  are:  9600,  19200,  38400, 
57600 and 115200 BAUD. 
 

 
BACnet MAC Address:

 The BACnet MAC address 

is  selectable  from  1-255  in  the  configuration  menu 
as well (see page 9.7). 
 

BACnet  Device  ID:

  The  BACnet  Devide  ID  is 

selectable from 291000-291999 in the configuration 
menu as well (see page 9.7). 
 
 
 
 

 
 
 
 
 
 

 

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 

 
 

6.1 

Summary of Contents for ZGARD CX II

Page 1: ...ment avec ses instructions Comme tout appareil complexifi ce produit peut vous donner les r sultats anticip s seulement s il est install usag et que le service d entretien sont effectu s d apr s les i...

Page 2: ...ufacturers of such components THIS WARRANTY IS IN LIEU OF ALL OTHER WARRANTIES EXPRESSED IMPLIED OR STATUTORY AND IS STRICTLY LIMITED TO THE TERMS HEREOF SELLER SPECIFICALLY DISCLAIMS ANY WARRANTY OF...

Page 3: ...llation and as a routine inspection of the system 5 Use only genuine MSA replacement parts when performing any maintenance procedures provided in this manual Failure to do so may seriously impair inst...

Page 4: ...ays 8 3 Section 9 Operation Configuration Set Up Menu Auto Configuration 9 0 Auto Configuration continued 9 1 Auto Configuration continued Caution Warning and Alarm setup 9 2 Zone Assignment External...

Page 5: ...the operating alarm and fault diagnostic status of the system The display is split in two display mode sections Status Display Common LED s for System OK Green Caution Amber Warning Amber and Alarm Re...

Page 6: ...etermine the capacity designation and number of remote gas sensors and configure the controller according to the required application Also refer to the ZGARD CX II controller Installation Outline draw...

Page 7: ...1 500 meters away from the controller The ZGARD CX II Controller does NOT provide operating power for the Remote Relay Modules REMOTE RELAY MODULE SPECIFICATIONS Operating Power 17 27VAC 50 60 Hz or...

Page 8: ...the remote sensors or group of sensors exceeds a predetermined caution threshold then the common Caution LED located above the LCD Screen will indicate a caution event Relay outputs can be pre assigne...

Page 9: ...ntroller can then execute control functions based on each zone By adding optional Remote Relay Modules RRM s distributed control can be achieved in addition to the internal control via the relays insi...

Page 10: ...y 1 42001 Relay 2 Etc 42039 Relay 40 The following data is available for each SENSOR 40xx0 Enable State Gas ID 0 Disabled 1 99 GasID 40xx1 Status 0 OK 1 Fail 2 Caution 4 Warning 8 Alarm 40xx2 Zone Ass...

Page 11: ...ect Zone 1 8 511 518 No Sensors Zone 1 8 Multi State 101 199 Alarm State Sensor 1 99 201 299 Zone Assignment Sensor 1 99 301 399 RS 485 Port Sensor 1 99 401 499 GasID Sensor 1 99 Binary 1 40 Relay Sta...

Page 12: ...es not scan the remote sensors and does not activate any warning or alarm relays An automatic timeout returns the ZGARD CX II to normal operation if no keypad activity is detected for 1 minute while i...

Page 13: ...each their respective warning level then the sensor numbers will be displayed adjacent to the W descriptor Should the number of sensors in a warning condition exceed the physical space provided then a...

Page 14: ...of remote sensors and is sequentially updated every 2 seconds Column1 The term ZONE reports the zone numbers Column2 The term SNS reports the number of sensors allocated to the current Zone Column3 Th...

Page 15: ...9 3 2 1 1 O K 1 9 6 0 P P M C O A L A R M R G 1 0 0 P P M R G 1 0 0 C O 1 Z O N E S N S S T A T U S W 1 2 2 2 1 1 O K A 9 3 3 4 A L A R M 8 1 Section 8 ZGARD CX II Controller LCD Screen Display Featu...

Page 16: ...ZRM is present for zone 2 1 4 0 P P M C O W A R N R G 1 0 0 P P M C Z O N E S N S S T A T U S W 1 4 W A R N A 2 4 W A R N 4 Sensor 1 60ppm alarm 2 45ppm warning Zone 1 ALARM because one or more sensor...

Page 17: ...h is the default setting The third line implies the programmer to change the setting There are 3 options for the auto configuration program A U T O C O N F I G N O C H A N G E E N T E R A C C E P T Op...

Page 18: ...e asked to verify the Warning and Alarm set points Press the menu key to accept and continue A U T O C O N F I G 24 S E N S O R S F O U N D 1 4 1 5 1 6 1 7 1 8 1 9 2 0 2 1 2 2 2 3 2 4 V E R I F Y W A...

Page 19: ...WARNING SETPOINT menu will appear The second line of the display shows the current sensor to be assigned a warning set point level The sensor range is also shown for reference only The third line show...

Page 20: ...E 0 1 R E S C A N E N T E R U P D A T E 17 2 As the ZGARD CX II scans for external relay cards it displays all cards that are found E X T E R N A L R E L A Y C A R D S A C T I V E 0 1 F O U N D 0 1 2...

Page 21: ...hich this WARNING relay is assigned A relay may be assigned to multiple zones 20 1 Press the or key to move through all of the relay numbers 20 2 Press 1 through 8 to add or delete a zone that this WA...

Page 22: ...ntil the desired mode appears 23 2 Next relay number Press the or key to move through all of the relay assignments R E L A Y O P E R A T I O N R E L A Y 1 I N T E R N A L R E L A Y 1 M O D E N O R M A...

Page 23: ...L A Y F O R C A L I B R A T I O N S E N S O R 1 P O R T 1 R A N G E 1 0 0 P P M G A S L E V E L 0 P P M G A S C O S E N S O R R E F R E S H 3 S E C 32 Press the MENU key 33 The TIME SET menu will app...

Page 24: ...0 0 F R A M E 8 N 1 M A C 0 0 1 N X T P R V 0 9 V A L U E E N T E R A C C E P T 36 4 Go to next parameter Press the or key to move through all of the desired parameters Not all parameters are changea...

Page 25: ...Depending on the controller s warning alarm and delay settings the display status and the relay action of the controller may vary Refer to the installation sections of the associated ZGARD CX II Contr...

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Page 27: ...P Zgard CX II ZGARD RRM Ratings Caution Configuration Labels ZGARD CX II B 0 Gas Monitoring Station Power 17 27VAC 50 60Hz or 24 38VDC 0 3Amp 0 7Amp with strobe AC only Input RS 485 99 ZGARD Sensors m...

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