AP-27
APPX. 6 DIGITAL INTERFACE
Serial Interface
Input sentences: BWC, BWR, DBT, DTM, GGA, GLL, GNS, GSA, MTW, RMA, RMB, RMC,
VDO, VDR, VTG, WPL, ZDA
Data reception
Data is received in serial asynchronous form in accordance with the standard referenced in IEC
61162-1 Ed.5 2016-08. The following parameters are used:
Baud rate: 38,400 bps (VDO). The baud rate of all other sentences is 4800 bps.
Data bits: 8 (D7 = 0), Parity: none, Stop bits: 1
LAN Interface (IEC 61162-450, IEC 61162-1 Ed.5 compliant)
Input sentences: ACK, ACN, SRP
Output sentences: ALC, ALF, ALR, ARC, HBT, SM1*, SM2*, SM3*, SM4*, SMB*, SRP
* IEC61162-1 Ed.5
Data Sentences
Input sentences
ACK: Acknowledge alert
ACN: Alert Command Message
D0 D1 D2 D3 D4 D5 D6 D7
Start
bit
Stop
bit
Data bits
$**ACK,xxx*hh<CR><LF>
1
1. Local alarm number (identifier) (000 to 999)
$**ACN,hhmmss.ss,aaa,x.x,x.x,c,a*hh<CR><LF>
1 2 3 4 5 6
1. Time (UTC)
2. Manufacturer mnemonic code (3 digits)
3. Alert Identifier (0-999999)
4. Alert Instance (1-999999,null)
5. Alert command (A,Q,O,S)
A=acknowledge
Q=request/repeat information
O=responsibility transfer
S=silence
6. Sentence status flag(C) (fixed)
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