Parameter: | Specification: |
Linear Mean Settle Point Error | +/- 0.19 degrees Secant Latitude |
Scorsby Error (+/- 25 deg. roll, +/- 15 deg. Pitch) | 0.90 degrees Secant Latitude |
Master Compass Angular Freedom | Better than +/- 45 degrees in roll and pitch |
Speed Correction | Manual or Automatic with Speed Log input |
Latitude Correction | Manual or Automatic with GPS input |
Settle Time | Less than 5 hours unaided |
Temperature Range | Complies with ISO 8728 |
Serial Data Inputs | One serial RS232 and one RS422 input. Speed - The MK37 VT can accept NMEA 0183 "VHW" and /or "VBW" messages for speed input. Latitude - Latitude data is extracted from position messages. The MK37 VT will monitor input for "GCA" and/or "GLL" sentences |
Speed Input, Contact Closure | 200 Pulses per nautical mile contact closure input. Speeds within the range of 0 to 70 knots are considered valid. |
Serial Heading & Status Outputs | One RS-422 and two RS-232 serial outputs to distribute digital heading. All data is in NMEA 0183 format. The RS-422 line is capable of driving up to 10 loads from a single output. The RS-232 outputs can drive a single load. |
Step Channel Output | Eight Step Data outputs; 24 VDC, 6 steps per degree |
Rate of Turn Output | One analog rate of turn output; -50mV per degree/minute (+/- 4.5 volts full scale = +/- 90 degrees/minute) output will drive up to 3 indicators |
Power Failure Alarm Output | Power Fail relay contacts (Form Contacts) - (Rated at 1 amp @ 30 VDC and/or 300 mA @ 115 VAC) |
Compass Failure Alarm/Contacts | Compass Failure alarm relay contacts (Form Contacts) - (Rated at 1 amp @ 30 VDC and/or 300 mA @ 115 VAC) |
Power Requirements | Input Voltages: 115/230 VAC, +/- 10%, 47-64 Hz Mains: +24 VDC @ 8 A Emergency: +24 VDC @ 8 A |