User Manual

17
Fire & Security Products
Siemens Building Technologies Group
1964_a_en_--.doc
07.2001
Datapoint ALARM (ALM)
This datapoint contains the alarm level of the corresponding area.
1801/ALM: Addressing
Sector: FIRE
ADF1/2: aaCD (aa = “A” + <area number>, example: A2CD = alarm in area 2)
1801/ALM: Valid states
State Description Valid commands
RESET The area is not in the alarm state.
LOCAL ALARM Cause:
In Day mode an alarm of an automatic detector has been detected.
ACKNOWLEDGE
RESET
GENERAL ALARM Cause:
In Day mode an alarm triggered by a manual callpoint has been
detected.
In Day mode a pending alarm has not been reset within the alarm
monitoring time V1.
In Day mode a pending alarm has not been reset within the alarm
monitoring time V2.
An alarm has been detected in Night mode.
ACKNOWLEDGE
RESET
i
The ALARM datapoint itself can be neither acknowledged nor reset. In this case the
above commands relate to the entire area, that is, the corresponding command is
transmitted to all lower ranking datapoints and results in the acknowledgment or reset-
ting of the entire area.
1801/ALM: State transition diagram
To
From
LOCAL ALARM GENERAL ALARM RESET
LOCAL ALARM
---
 General alarm
----------------------
Q 06 00
 Local alarm
-----------------
N 05 85
GENERAL ALARM
--- ---
 General alarm
---------------------
N 06 85
RESET  Local alarm
-----------------
Q 05 00
--- ---
1801/ALM: Telegram repertoire MESSAGES
Sector DMS Adr ADF1/2 Sep Data A Data B Priority Text A Text B
W <CCaddr> <adf12> Q 05 00 ALARM Local alarm ---
W <CCaddr> <adf12> N 05 85 NORMAL Local alarm Reset
W <CCaddr> <adf12> Q 06 00 ALARM General alarm ---
W <CCaddr> <adf12> N 06 85 NORMAL General alarm Reset
1801/ALM: Telegram repertoire COMMANDS
Sector DMS Adr ADF1/2 Sep Data A Data B Text A Text B
W <CCaddr> <adf12> R 05 80 Local alarm Acknowledgment (Alarm)
W <CCaddr> <adf12> R 05 83 Local alarm Reset
W <CCaddr> <adf12> R 06 80 General alarm Acknowledgment (Alarm)
W <CCaddr> <adf12> R 06 83 General alarm Reset