JRC JLN-900 - Multiple Units Message (PSALU)

11-20
** Field 3, identity:
Identity Comment
IN# Indicator #, # = A to Z, (INA – INZ corresponds to ID 1
- 26)
IND Indicator 4 (# = D), master of the system
LPU Sig.Distributor
R1A First WT unit in the system
R1B Second WT unit in the system
R1C Third WT unit in the system
T2A First BT unit in the system
T2B Second BT unit in the system
T2C Third BT unit in the system
T2D Fourth BT unit in the system
LP1 First Sig.Distributor in the system
LP2 Second Sig.Distributor in the system
ES1 Echo Sounder TRU1
ES2 Echo Sounder TRU2
ES3 Echo Sounder TRU3
ES4 Echo Sounder TRU4
ED1 Echo Sounder Display 1
ED2 Echo Sounder Display 2
TC1 TIC 1
TC2 TIC 2
TC3 TIC 3
3.2.6 Multiple Units message (PSALU)
When more than one unit of the same type is installed in a system, (for example two speed
logs), PSALU messages are used to distinguish from which unit the data originate.
3.2.6.1
Multiple Units message 1, speed data
1 2 3 4 5 6 7
$PSALU,1,ccc,x.x,x.x,x.x*hh<CR><LF>
Field # Field Type Definition Note
1
Name
Multiple units message PSALU?
2
i.
Message type 1: Speed data
3
ccc
Unit ID VD1: Log 1
VD2: Log 2
GP1: GPS
VD9: Simulated Log
4
x.x
Longitudinal water speed WTL Null field indicates no valid data
5
x.x
Longitudinal ground speed BTL Null field indicates no valid data
6
x.x
Transversal ground speed BTT Null field indicates no valid data
7
hh
Checksum
Example: From log 2, WTL = 20.06, BTL = 21.07, BTT = ”null”:
$PSALU,1,VD2,20.06,21.07,*