Document No: LT0499
RDU Mk2 Installation & Programming Manual
Programming Part 2
Issue 1.02
8 April 2015
Page 7-17
NMF True if one or more non MAF-mapped, non-isolated zones or ancillary relays are in
fault.
NML Australian operation
The NML token is false if any of the conditions which cause either the Brigade Alarm
or Brigade Fault relay to operate (if not controlled by output logic) are true. Note this
does not include conditions which cause the standby relay to de-energise and do not
energise Brigade Defect (e.g. fuse blown, database checksum error). The SFT token
includes conditions which de-energise standby but not Brigade Fault.
New Zealand operation
The NML token is true if there are no abnormal conditions.
NSA
For New Zealand mode, NSA is true if the local silence alarms keyswitch is operated.
ODR True if the outer door is currently open or if the keyswitch on a slim-line RDU is in the
"open" position.
RST
True when the "RESET" key is pressed with the base display selected. This returns
true for between 1 and 2 complete passes of all output logic equations.
SFT
True if any system fault is present. This includes all the conditions that cause the
standby relay to de-energise, including hardware faults, memory checksum faults
and comms fail.
SOA True when the alarm buzzer is currently sounding.
SOF
True when the fault buzzer is currently sounding.
STS
True if a system test or auto test is currently in progress.
TEV
TEV (NZ Trial Evacuation) is true if the local Trial Evac keyswitch is active (and "trial
evac local control" is enabled) or if a Trial Evac active state is being sent by the FIP
(and "trial evac follow FIP" is enabled - refer section 6.4.4.3.7).
WSO True when the Warning System is activated and not isolated or silenced.
WSS True when the Warning System is isolated. For New Zealand operation, WSS is also
true when the Warning System is silenced by the Silence Alarms keyswitch.
WST True when a Warning System test is active.
ZBA
True when there is an alarm on a non-isolated zone mapped to the External Bell.
ZWA True when there is an alarm on a non-isolated zone mapped to the Warning System.
7.3.5
EXAMPLES OF LOGIC EQUATIONS
Note
- the following examples are taken from the F3200 programming manual and are for
illustration. This kind of functionality is normally implemented at the FIP rather than the
RDU.
Example 1 - Use of Variables
Assume that two relays are required with similar logic equations, as follows (note, for the
RDU, "relays" 65 to 128 correspond to alarm LEDs/relays on zone LED display boards).