User Manual

73
Fire & Security Products
Siemens Building Technologies Group
1964_a_en_--.doc
07.2001
5.9.13 Structure 1397: Function unit LON interface part 2
Abstract representation of a LON network with attached nodes 11..32.
1397: Addressing
Sector: BASIC
ADF1/2: Based on sequence number
1397: Valid states
State Description Valid commands
NORMAL
No fault in the function unit.
FAULTY
One of the following faults exists in the function unit:
- No connection to LON interface
- one or more nodes on the LON network faulty
- General fault
ACKNOWLEDGE
1397: State transition diagram
To
From
FAULTY NORMAL
FAULTY
---
 Fault
--------------
N 34 3C
NORMAL  Fault
--------------
U 34 46
---
1397: Telegram repertoire MESSAGES
Sector DMS Adr ADF1/2 Sep Data A Data B Priority Text A Text B
Z <CCaddr> <adf12> N 34 3C NORMAL Function unit Normal
Z <CCaddr> <adf12> U/Q 34 46 FAULT Function unit Faulty
1397: Telegram repertoire COMMANDS
Sector DMS Adr ADF1/2 Sep Data A Data B Text A Text B
Z <CCaddr> <adf12> R 34 86 Function unit Acknowledgment (fault)