Honeywell FS24X User Manual Download

Page: 12 / 17

Honeywell Analytics

Fire Sentry Corporation

6349-001

Revision 1.2, Release Date: 15 February 2013

Page 12 of 16

11. TABLES

11.1

Engineering Unit Type Codes

Code

Description

Note

milliamperes

Electrostatic Unit of Current

11.2

Loop Current Operating Modes

Mode

Description

Loop Current in mA

(Point to Point )

Loop Current in mA

(Multi-drop)

Healthy

4mA

Optical
Fault

2mA

4mA

Non-Optical
Fault

1mA

4mA

Alarm

20mA

4mA

12. PERFORMANCE

12.1

Sampling Rates

Typical sampling rates are shown in the following table.

Primary detector sensor sample

60 per second

PV digital value calculation

1 per second

Analog output update

1 per second

12.2

Power-Up

During power-up initialization, the device will not respond to HART® commands, and the
analog output is set at 4.0mA.

Summary of Contents for FS24X

Page 1: ...User Guide FS24X HART Module Distributed by Relevant Solutions 888 858 3647 relevantsolutions com ...

Page 2: ...nterface 5 4 2 1 Analog Output 1 Loop Current 5 4 3 Local Interfaces Jumpers and Switches 6 4 3 1 Local Controls and Displays 6 4 3 2 Internal Jumpers And Switches 6 4 3 3 Connection Summary 7 5 Device Variables 8 6 Dynamic Variables 9 7 Status Information 9 7 1 Device Status 9 7 2 Extended Device Status 9 7 3 Additional Device Status Command 48 10 8 Universal Commands 11 9 Common Practice Command...

Page 3: ...12 Performance 12 12 1 Sampling Rates 12 12 2 Power Up 12 12 3 Self Test 13 12 4 Command Response Times 13 12 5 Busy and Delayed Response 14 12 6 Long Messages 14 12 7 Non Volatile Memory 14 12 8 Modes 14 12 9 Write Protection 14 12 10 Damping 14 Annex A Capability Checklist 15 Annex B Default Configuration 16 ...

Page 4: ...viding a complete unambiguous description of this Field Device from a HART communication perspective 1 3 Who should use this document The specification is designed to be a technical reference for HART capable host application developers system integrators and knowledgeable end users It also provides functional specifications used during Field Device development maintenance and testing This documen...

Page 5: ...pecified operating temperature range 40 C to 85 C Refer to the FS24X manual SECTION 2 INSTALLATION for mounting instructions 3 PRODUCT OVERVIEW The FS24X is a Multi Spectrum Flame Detector A HART communication module is required for HART communication 4 PRODUCT INTERFACES 4 1 Process Interface 4 1 1 Sensor Input Channels Fire Sentry multi spectrum and multi spectral infrared Flame Detectors are so...

Page 6: ...ree 3 separate bright LED s to indicate the Detector s status The Blue or Green LED blinks flashes once every ten 10 seconds to indicate a Normal safe operational condition i e no Faults and no Alarms The Blue or Green LED is OFF when no external 24 VDC input power is applied to the Detector The Red LED turns ON when a fire is detected The Yellow LED blinks flashes when the window lens is dirty Th...

Page 7: ...fer to the FS24X Installation Manual for information relating to switch selections on the detector Write Protection Not Supported 4 3 3 Connection Summary The diagrams below provide connection detail The first shows how the FS24X Flame Detector plus the HART module connect to the outside world The second diagram shows how the detector and the module mate together ...

Page 8: ...Honeywell Analytics Fire Sentry Corporation 6349 001 Revision 1 2 Release Date 15 February 2013 Page 8 of 16 5 DEVICE VARIABLES This Field Device does not expose any Device Variables ...

Page 9: ...ditions Bit 5 Cold start is set whenever device resets or first powers up Bit 4 More Status Available is set whenever any failure is detected or change in operating mode Command 48 gives further detail See section 7 3 Bit 3 Analog channel fixed is set whenever the device into forced current or inhibit or multi drop 7 2 Extended Device Status The Field Device cannot predict in advance when the main...

Page 10: ...Not used 1 0 to 7 Not used 2 0 to 7 Not used 3 0 to 7 Not used 4 0 to 7 Not used 5 0 to 7 Not used 6 0 Detector Fault Lid off or dirty temperature or voltage out of range or internal failure 1 Detector Alarm Flame detected 2 Not used 3 Not used 4 Not used 5 Not used 6 Not used 7 Not used 7 0 to 7 Not used 8 0 Not used 1 Not used 2 Not used 3 Not used 4 Power Supply Conditions Out Of Range Voltage ...

Page 11: ...1 byte and 3 floating point variables for max min and span loop current in mA 9 COMMON PRACTICE COMMANDS 9 1 Supported Commands The following common practice commands are implemented 38 Reset Configuration Changed Flag 48 Read Additional Device Status Command 48 returns 2 bytes of data 9 2 Burst Mode This Field Device does not support Burst Mode 9 3 Catch Device Variable This Field Device does not...

Page 12: ...rent in mA Point to Point Loop Current in mA Multi drop 0 Healthy 4mA 4mA 1 Optical Fault 2mA 4mA 2 Non Optical Fault 1mA 4mA 3 Alarm 20mA 4mA 12 PERFORMANCE 12 1 Sampling Rates Typical sampling rates are shown in the following table Primary detector sensor sample 60 per second PV digital value calculation 1 per second Analog output update 1 per second 12 2 Power Up During power up initialization ...

Page 13: ...stem by flashing an IR LED and monitoring the reflection from the housing grill a fault in not declared until a total of 180 consecutive test attempts have failed This takes a total of nine minutes to complete Additional self tests are conducted on a continuing basis to ensure the continuity of relay coils Following power up or reset the analog output is set to 4 0mA and the device will not respon...

Page 14: ...ld used is in the response to Command 21 34 bytes including the two status bytes 12 7 Non Volatile Memory EEPROM is used to hold the device s configuration parameters New data is written to this memory immediately on execution of a write command 12 8 Modes Fixed current mode is implemented using Loop current mode Enable Point to Point Disable Multi drop This mode is not cleared by power loss or re...

Page 15: ...r HART revision 7 0 Device Description available No Number and type of sensors 1 one external Number and type of actuators 0 Number and type of host side signals 1 4 20mA analog Number of Device Variables 0 Number of Dynamic Variables 1 Mappable Dynamic Variables No Number of common practice commands 0 Number of device specific commands 0 Bits of additional device status 8 Alternative operating mo...

Page 16: ...2013 Page 16 of 16 ANNEX B DEFAULT CONFIGURATION Parameter Default value Lower Range Value 1 Upper Range Value 20 PV Units mA Sensor type Analytical Number of wires 3 Damping time constant Fault indication jumper Not Supported Write protect jumper Not Supported Number of response preambles 5 ...

Page 17: ...cific 701 Kolon Science Valley I 43 Digital Ro 34 Gil Guro Gu Seoul 152 729 Korea Tel 82 0 2 6909 0300 Fax 82 0 2 2025 0328 analytics ap honeywell com Technical Services EMEAI HAexpert honeywell com US ha us service honeywell com AP ha ap service honeywell com Please Note While every effort has been made to ensure accuracy in this publication no responsibility can be accepted for errors or omissio...

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