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REGARD 8-Input 4-20 Module & 8-Channel Display Card (ATEX Version)

Issue 2. October 2011

12

INSTALLATION

Install input module

Fit input module on 35mm symmetric or 32mm asymmetric DIN rail.

EMC!

Install the input module and display card in an enclosure that gives protection against
electromagnetic interference.

Handle circuit boards with care during installation. Do not touch the circuit board or
components. Take anti-static precautions were necessary.

Connect RS-485 output to display card

Connect RS-485 output of input module to screw terminals on Regard rack
corresponding to position of 8-channel display card.

•

Use twisted-pair cable

•

Maximum length of connection is 1 km.

•

Ensure that 0V potential between input module and display card is less than ±5V. Use

RS-485 isolator(s) if necessary.

Do not connect the RS-485 output of the module to the terminals for a single-
channel 4-20 card or Ex card, or a HART card: this will damage the module.

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B

A

REGARD RACK

B

A

4-20 MODULE

0 V

24V

24V

0 V

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Содержание REGARD

Страница 1: ...RD ATEX VERSION REGARD GAS DETECTION SYSTEM INSTRUCTIONS FOR USE B A 0 V 24V 24V 0 V 24V CH1 0 V 24V CH2 0 V 24V CH3 0 V 24V CH4 0 V 24V CH5 0 V 24V CH6 0 V 24V CH7 0 V 24V CH8 0 V 8 CHANNEL DISPLAY A...

Страница 2: ...REGARD 8 Input 4 20 Module 8 Channel Display Card ATEX Version Issue 2 October 2011 2...

Страница 3: ...3 Connect DC supply to module 15 Install 8 channel display card 15 Optional connections 16 A1 A2 Fault alarm relays 16 Remote reset 16 CONFIGURATION 17 Command mode 17 Function of front panel controls...

Страница 4: ...e text 31 Gas level display on off 31 Set LEDs to display master alarms or per head alarms 32 Display head number or channel number 32 MAINTENANCE 33 Recommended maintenance intervals 33 Commands for...

Страница 5: ...el not employed or authorised by Draeger Service or when this apparatus was used in a manner not conforming to its intended use Draeger Limited can not be held responsible for any damage caused by non...

Страница 6: ...es alarm and fault conditions The display card has three alarm relays for A1 gas alarm A2 gas alarm Fault alarm Each 8 input module requires an 8 channel display card Only one module can be connected...

Страница 7: ...dicate that alarms are inhibited You can manually change the state of the alarm relays while in command mode using commands 14 4 A1 relay 14 5 A2 relay and 14 6 Fault relay Locking cards in command mo...

Страница 8: ...Indicates that the head on channel 12 is in calibration mode FAULT Operational fault LEDs LED State Meaning A3 No function A2 A1 Fault Off Flashing On No alarm Alarm tripped not acknowledged Alarm tri...

Страница 9: ...t module terminals RS 485 OUTPUT DC INPUT 1 DC INPUT 2 B A 0 V 24V 24V 0 V 24V CH1 0 V 24V CH2 0 V 24V CH3 0 V 24V CH4 0 V 24V CH5 0 V 24V CH6 0 V 24V CH7 0 V 24V CH8 0 V 4 20mA INPUT 2 4 20mA INPUT 1...

Страница 10: ...Display shows fault code alternately with normal display In the situation where multiple faults occur consecutively the first fault to occur will be displayed When that is cleared subsequent faults m...

Страница 11: ...ation settings have been corrupted Default configuration settings will be used Check configuration settings FAULT E EEPROM failure Critical Configuration data has been lost Default configuration setti...

Страница 12: ...ti static precautions were necessary Connect RS 485 output to display card Connect RS 485 output of input module to screw terminals on Regard rack corresponding to position of 8 channel display card U...

Страница 13: ...land and ferrite tube short Position of ferrite tube for input module A B Connect transmitters to input module Refer to transmitter installation instructions Transmitters must be connected to the inpu...

Страница 14: ...in the table is fault tran fault cable I I I R 2 255 where cable R is the resistance in ohms of one core of the cable running from the input module to the transmitter fault I is the under range fault...

Страница 15: ...be used to connect DC supply another module Maximum current allowed through input terminals 1A Ensure that the 0V potential between input module and display card is less than 5V If potential differen...

Страница 16: ...using screw terminals on Regard rack RELAYS SHOWN DE ENERGISED FAULT A2 A1 1 3 5 7 9 11 13 15 2 4 6 8 10 12 14 16 Remote reset If required connect normally open contact to 8 channel display card to re...

Страница 17: ...nfirm entry or selection Select next command or option Increase displayed value Select previous command or option Decrease displayed value Select next head Select previous head EXAMPLE Commands that a...

Страница 18: ...SWORD Waiting for entry of password first character flashing Select first character of password e g C C Confirm first letter Second character flashes R CC Select and confirm remaining characters R CCC...

Страница 19: ...at settings have been saved SAVED OK command exits 00 2 Locking card in command mode Display card automatically exits command mode if no buttons are pressed for 10 minutes To prevent card from automat...

Страница 20: ...RIP Set A2 alarm level o o 40 11 4 A1 MODE Set A1 rising falling o o RISE 11 5 A2 MODE Set A2 rising falling o o RISE 11 7 A1 LATCH Set relays latching non latching o DNAK 11 8 A2 LATCH delay latching...

Страница 21: ...lection and exit command R 52 0 Set gas name PRESS DISPLAY Select command 04 0 R GAS NAME Display shows current setting of head 1 e g H2S h1 H2S Select gas name for head 1 e g SO2 h1 SO2 Select next h...

Страница 22: ...t setting of head 1 e g h1 LEL Select head to change Current setting shown h2 LEL Select gas units for head e g PPM h2 PPM Select next head to change h3 LEL Repeat for other heads Confirm settings and...

Страница 23: ...RNING when a new FSD is selected and confirmed the alarm mode is set to rising and the trip levels are reset to their default values of 20 and 40 of FSD for A1 and A2 alarms respectively Available set...

Страница 24: ...at for other heads Confirm selection and exit command R 11 1 Alarm trip levels can be set from 5 to 100 of FSD Set rising or falling alarms Commands 11 4 and 11 5 set the mode of operation of the A1 a...

Страница 25: ...ction NAK Non Latching and Non Acknowledgeable Relay returns to its non alarm state when the relay alarm condition has cleared Acknowledging the relay alarm whilst the alarm condition is still true wi...

Страница 26: ...set display to zero Limit of adjustment range reached The transmitter signal must be between 3mA and 5mA Check and if necessary adjust the output of transmitter to 4 0mA 1mA Set span PRESS DISPLAY Se...

Страница 27: ...h the master card PRESS DISPLAY Select command 52 1 R CARDs Display shows current setting of head 1 e g channel 0 h1 Ch0 Select channel number of head 1 e g 9 h1 Ch9 Select next head Current channel s...

Страница 28: ...current setting of head 1 e g h1 YES Select head to change Current setting shown h2 YES Select setting for head e g NO h2 NO Select next head to change Current setting shown h3 YES Repeat for other h...

Страница 29: ...t command R 10 2 h4 Set under range fault level Enables a signal below 4mA to trip the fault alarm The under range fault level can be set to 0 5mA to 3 5mA in 0 1mA steps or set to OFF To ensure that...

Страница 30: ...splay shows current setting of head 1 e g h1 OFF Select head to change Current setting shown h2 21 5 Select setting for head e g 23mA h2 23 0 Select next head to change Current setting shown h3 OFF Re...

Страница 31: ...Select command 52 4 R USER Waiting for text entry first character flashing Enter text e g mg l R mg l Press or to select next or previous character Select next previous head 52 4 h2 Confirm selection...

Страница 32: ...all heads EACH I P LEDs indicate alarms for head currently displayed Select setting required e g EACH I P Confirm selection and exit command R 60 2 Display head number or channel number PRESS DISPLAY...

Страница 33: ...ect to technical safety considerations engineering processes and the technical requirements for the equipment Every six months is recommended Check connections from heads transmitters to signal inputs...

Страница 34: ...MOD Display shows number of data packets received 123 To reset count to zero 0 End test R 14 8 Disable alarm relays The A1 and A2 alarm relays can be disabled to prevent alarms being activated during...

Страница 35: ...umption 7W Relays Type Single pole double throw 1 Form C Switching capacity 5A 250VAC 5A 30VDC Max switching power 1 250VA 150W Max switching voltage 250VAC 100VDC Min switching voltage current 12V 10...

Страница 36: ...sumption excluding transmitters 2W Max supply to each transmitter 0 5A Wire cross section Transmitter inputs 2 5 mm2 DC inputs RS 485 1 5 mm2 4 20mA input range 0 5 22mA Dimensions 210 x 90 x 60mm Fus...

Страница 37: ...rresponds with the ATEX EC type examination certificate DMT 02 ATEX G 002 X The year of construction of the card can be derived from the card s serial number Special conditions for safe use The follow...

Страница 38: ...www draeger com Draeger Safety Inc P O Box 120 Pittsburgh PA 15230 USA Tel 1 412 787 8383 Fax 1 412 787 2207 Draeger South East Asia Pte Ltd 67 Ayer Rajah Crescent 06 03 SGP 0513 Singapore Singapore T...

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