
ZENO
®
-3200 USER MANUAL
Coastal Environmental Systems (206) 682-6048
Page 157
$HCHDM,342.7,M*2B
The value set in the Compass Offset of the System Functions Menu
178
will be added to the value reported
by the Sensor Record specified as a Serial Compass sensor type.
GPS Receiver Specifics
The GPS Receiver supported by the ZENO
®
-3200 outputs several NMEA messages, from which 14
different values are retrieved. The following table describes the outputs and their origin.
Sensor
Output Output Description Units
Recommended
Storage Type
From NMEA
Message
1 Latitude (DDMM.mmmm) D = deg., M = min., m = dec.min. float
GLL, GGA,
RMC
2 Longitude (DDDMM.mmmm) D = deg., M = min., m = dec.min. float
GLL, GGA,
RMC
3
Universal Time Constant (UTC,
hhmmss.ss) h = hour, m = min., s = sec. float
GLL, GGA,
RMC
4 GPS Quality Indicator 0 = no fix, 1 = fix, 2 = diff. fix byte GGA
5 Number of Satellites in Use (none) byte GGA
6
Horizontal Dilution of Precision
(HDOP) Percent float GGA
7 Antenna Altitude Meters float GGA
8 Geoidal Separation Meters float GGA
9 Age of Differential GPS Data Seconds float GGA
10 Differential Reference Station ID (none) short int GGA
11 Speed Over Ground (SOG ) Knots float RMC,VTG
12 Course Over Ground (COG ) Degrees float RMC,VTG
13 Date (DDMMYY) D = day, M = month, Y = year int RMC
14 Variation Degrees float RMC
CCSAIL Sensor Specifics
This sensor type gives ZENOSOFT
®
the ability to poll a remote CCSAIL sensor (usually a remote
ZENO
®
-3200) for data. The number of floating-point data values collected is specified by Line Item #10.
An extra hexadecimal value is received at the end of the message. The address of the remote CCSAIL
sensor is specified by Line Item #17.
The CCSAIL Communications Protocol
179
was created for automated data collection. To support this
sensor type, ZENOSOFT
®
sends a CCSAIL DL1 command to a remote sensor that communicates using
the CCSAIL Communications Protocol to obtain its data. for example, you need to collect five floating-
point data values and one hexadecimal data value from a remote ZENO
®
-3200 configured with a Primary
Unit ID of 1505. The CCSAIL message that would be sent from the remote ZENO
®
-3200 in response to a
CCSAIL DL1 command might look something like this:
178
Refer to Section 5.7.
179
Refer to Section 4.6.
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