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SKIPPER
Electronics AS
Edition: 2021-09-16
ESN100 Operation and Installation Manual
Chapter: System Setup
Exact formats for these sentences can be found in the relevant IEC standards. PSKP sentences are proprietary
for SKIPPER and has the following format.
$PSKPDPT,x.x,x.x,x.x,xx,xx,c--c*hh<CR><LF>
| | | | | | |___________
Check sum
| | | | | |________________
Transducer location AFT, FWD, PORT, STB
| | | | |___________________
Echo sounder channel number
| | | |______________________
Signal strength
| | |_________________________
Maximum range scale in use, meters
| |_____________________________
Offset to keel, meters
|________________________________
Water depth relative to transducer, meters
Example $PSKPDPT,3.7,0.0,500.0,,1,FWD*11
NMEA inputs
The ESN100 does not have any internal clock. Time from NMEA input is recommended to be installed:
Time. ZDA. Also accept GGA, GLL, RMC
All accepted NMEA inputs will be logged in history file
Format
Function
$__DDC,X,yy,X,C*nn
Dimming function X= O,N,K,D , YY is % the system will
accept X and adjust to the user set level (See dimming)
$__ACK,xxx*nn
Acknowledge alarm ALR
$--ACN,hhmmss.ss, aaa, x.x, x.x, c, a*hh
Acknowledge alarm ALF
$HBT
Alert heartbeat
$___XDR,D,x.x,M,pos,D,x.x,M,pos,D,x.x,
M,pos,*nn
Draft sensor depth values.
x.x - draft value
pos - transducer position (fwd, aft, prt, str)
$GPZDA,
Time and local time, The system will show UTC or Local
time if available in the message
$GPVTG
GPS Speed
$GPGGA
GPS time and Position
$GPGLL
GPS time and Position
$--RMC
Time, Position and speed
$--HDT
Heading true
$--THS
True heading and status
$--ROT
Rate of turn
$--VBW
Speed through water (STW) and speed over ground (SOG).
LonTransversal.
$IIDPT
Depth from doppler speed log
$--SRP
Identification
The Communications on NMEA are 4800, 8 data bits, 1 stop bit. Baud rate can be changed to 38400 or
115200
