Honeywell Sensepoint XCD RFD - Default Configuration

Sensepoint XCD RFD Technical Manual SPXCDHMRFENU Issue 1
21
7 Default conguration
The Sensepoint XCD RFD transmitter is supplied with the following default conguration.
Function Value/Setting Meaning
Sensor Type
Automatic for Sensepoint XCD RFD
sensors. Must be set for Sensepoint
and 705 sensors.
XCD RFD recognizes the XCD RFD sensor cartridge
according to the gas type within its own sensor family
i.e. mV. For a Sensepoint and 705 sensor the user
must set the sensor type.
Signal output
≥0.0<1.0 mA Fault (refer to table 9 section 12.3 for details)
2.0 mA or 4.0 mA Inhibit (during conguration/user settings)
4.0 mA to 20.0 mA Normal gas measurement
22.0 mA Maximum over range
Alarm Relay 1*
Value is sensor dependant Lower alarm level
De-energized Energizes on alarm
Contact Normally Open (NO) Closes on alarm
Alarm Relay 2*
Value is sensor dependant Higher alarm level
De-energized Energizes on alarm
Contact Normally Open (NO) Closes on alarm
Fault Relay
<1mA Detector Fault
Energized De-energizes on alarm
Contact Normally Open (NO) Closes on alarm
Inhibit 2.0 mA (default)
Signal output inhibited during menu use
If any relay is set to inhibit relay, then inhibit relay will
be activated.
Timeout Disabled
No inhibit timeout. The detector waits for a button
press before returning to the previous state/setting
Timeout period can be set in ‘Congure Inhibit’ menu
in Conguration Mode.
Password 0000 (Disabled)
0000 (Password disabled). If changed then password
is activated.
Location
(Tag Number)
0000
Optional feature to identify the location or User’s “Tag”
number of the XCD
Temperature
o
C Option to have
o
C or
o
F
ModBus ID, baud rates and Parity bit
ID : 1
Baud rates : 19,200
Parity bit : EVEN
* Alarm relays automatically reset when reading falls within alarm thresholds. If relay congured to LATCH, then relays must be reset using
the Magnetic Wand.
Table 3: Default conguration
Gas Name Default Range Lower Alarm
Lower Alarm
Type
Higher Alarm
Higher Alarm
Type
705 Flammable 100%LEL 20%LEL Rising 40%LEL Rising
705 HT Flammable 100%LEL 20%LEL Rising 40%LEL Rising
For details of how to change the conguration of the Sensepoint XCD please refer
to section 13.