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Document Ref: Nex8inst.doc/Rev0 09.07.00 Page 14 of 30 Originator MC Checked by AC__
Selecting this option provides all the interrogation and control
functions. All output functions are disabled and only the
chosen device is being polled. This allows sensor devices to be
put into the test mode without alarms, etc. being raised and
allows observation of the rising analogue value.
D E V I C E S T A T U S
1 D I S P L A Y ( D I S A B L E D )
2 D I S P L A Y ( E N A B L E D )
3 P R I N T D E V / S S T A T U S
Selection of this option causes the control panel to
output status information for all connected devices
to its printer (if fitted).
Selecting this option enables specified
devices to be interrogated and for commands to be sent to the devices. When the self test
mode is entered in this condition, the device under test should eventually enter an alarm
condition. When this occurs the control panel will react as if a genuine alarm condition
had been detected. The system will exit the engineer’s test mode and will need to be
silenced and reset in the normal manner.
5.8.1 Status Disabled/Enabled
Selecting Status options 1 or 2 will allow the engineer to enter the loop and device numbers.
The display then shows the following:
ADR VAL TYPE STS CMD
100 23 ION 000 000
ZONE 12 CMD BITS=123
4)PREV 5)NEXT #)END
The typical display example shown above is interpreted as follows:
The device address (ADR) is 100
The analogue value (VAL) is 23
The device type (TYPE) is ionisation smoke (ION)
The input status (STS) is 000
The control panel command status (CMD) is 000
The allocated zone for the device is 12
Key 4 allows the user to move to the previous device. The above example will be decreased to
address 99.
Key 5 allows the user to advance the address of the device being interrogated. The above
example will be advanced to address 101.
Key # to escape.
The device TYPES which may be indicated are as follows:
SOU - Sounder circuit controller - Device type code reference no. 1
O/S - Input/Output device - Device type code reference no. 2
ION - Ionisation smoke sensor - Device type code reference no. 3
MON - Monitor (zone monitor, control monitor) - Device type code reference no. 4
OPT - Optical smoke sensor - Device type code reference no. 5
HEAT - Heat sensor - Device type code reference no. 6
BGU - Call point or call point monitor - Device type code reference no. 7