Simrad Maris ECDIS900 Technical Manual page 35

Autopilot
Maximal working route size specifies if Sensor Monitor should not send the working
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route longer than present number of waypoints. All extra waypoints in this case will be
ignored and sent , after the active waypoint will be reached and passed.
Destination port specifies port to send route out.
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Period specifies how often Sensor Monitor must send the working route out.
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Talker ID specifies talker ID for working route NMEA sentences output.
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EMRI A
UTOPILOT
This sensor is almost similar to Standard autopilot. The only difference is that sensor provides
other NMEA sentences set oriented to EMRI autopilot type. The second difference is that
autopilot sends some NMEA sentences that inform Sensor Monitor about autopilot state and
must be transferred to ECDIS.
List of input sentences: SSA, SSD, ISC
List of output sentences: SSA, SSD, SSX, HSC, HTR, HTC, WFM
PLC ADC/DAC
AND
PLC (programming logic controller) could be used for different purposes. They are used as
analog-digital converter and input and output relays. That means, PLC is able to measure
voltage or current in the electrical chain, recognize the trigger state (high/low voltage level)
and generate output trigger signal.
NMEA XDR sentence set belongs to the same sensor group because transducers provide
analog signal measurement results or trigger/valve states. So this sensor is described here
and uses the same protocol to transfer data.
A R B
LARM ELAY OX
This sensor is communicating with DigitalLogic PLC DL05. This device has 6 input and 8
output relays that can be queried/scheduled.
Usually DL05 is used as the link between the software and alarm control system such as
BNWAS for Dead Man alarm or Alarm buzzer.
The sensor accepts from ECDIS current alarm status and if the status is non-zero, the sensor
switches output relays into "alarm on" state.
When the user presses "Acknowledge" button in ECDIS, the sensor switches output relays into
"Acknowledge alarms" state. Normally the installer must use this state to signal hardware
alarm system to clear any alarm sound. This state will be kept for some given time and then
cleared again.
Optionally the sensor can switch output relays into "Deadman alarm" state. This happens
when nobody from officers on duty touches ECDIS for some certain period. Note that
Application Manager must be installed and configured on the same computer.
Optionally the sensor can query periodically input relays (that can be connected to
"acknowledge" or "horn off" buttons of the hardware alarm system). If they are shorted, the
sensor will force ECDIS to acknowledge alarms. Note that this feature works only if the user
has created and configured "NMEA alarms generator" sensor.
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