Koden CVS-875D, Руководство по установке

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CVS-875D/877D Chapter 1 Installation
0092607072-01 1-81
1.8.3 Input/Output sentence details
Data format: IEC 61162-1 (NMEA-0183 Ver. 1.5/2.0/3.0)
1.8.3.1 Data structure
NOTE: A parity bit is not provided.
1.8.3.2 Output signal specification
Baud rate Output signal level Output
current
Output sentence Update
rate
4800 to 38400bps TTL Max 40mA DBT+DPT+MTW+TLL 1sec
1.8.3.3 Details of input data sentence
Name &
Version Data name
GGA GPS Position data
Ver.
1.5/2.0
$ - - GGA, , xxxx.xxx, a , xxxxx.xxx, a , x , , , , , , , , *hh <CR><LF>
Sentence Latitude Longitude Checksum
Name
N: North E: East This field is not used
S: South
W: Wes
t
This field is not used
GPS signal quality
Talker device code 0: Positioning unable
1: GPS positioning
Start of sentence 2: DGPS positioning
3
– 8: Not acceptable
GLL Geographic position
Ver.1.5/2.0
$ - - GLL, xxxx.xxx, a , xxxxx.xxx, a , , A, a *hh <CR><LF>
Sentence Latitude Longitude Checksum
Name
N: North E: East This field is not used
S: South W: West Mode identifier
A: Valid
Talker device code This field is not used
Start of sentence
D0 D1 D2 D3 D4 D5 D6 D7
Logic 0: >+4V
Logic 1: +0.5V
Data Bit (ASCII Code)
Start Bit
Stop Bit
NOTE: Checksum is a total sum of EX-ORed data that are put between the $ and asterisk (*) signs.