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Category of units:
Antenna unit: Exposed to weather
Other units: Protected from the weather
Notes
1) The gyrocompass must be type approved for compliance with IMO resolution A.424(XI) (and/
or resolution A.821(19) for installation on HSC). The gyrocompass must also have an update
rate that is adequate for the ship's rate of turn. The update rate must be better than 40 Hz
(HSC) or 20 Hz (conventional vessel).
2) The EPFS must be type approved for compliance with IMO resolution MSC.96(72).
3) The monitor MU-231 has been approved by the IMO for CAT 1C and CAT 1HC. If a different
monitor is to be used on IMO vessels, its effective diameter must meet the applicable Category
requirements. (Monitor Unit MU-190 is optionally available for the blackbox models and it is
approved by the IMO for CAT 2C and CAT 2HC.)
4) The sensor adapters are Control Serial MC-3000S, Analog IN MC-3010A,
Digital IN MC-3020D and Digital OUT MC-3030D.
5) Characteristics of contact output for Alarm:
• (Load current) 250 mA
• (Polarity) Normally Open: 2 ports, Normally Close: 2 ports
• Serial I/O for alarm is also possible, which complies with IEC 61162-1.
SYSTEM CONFIGURATION
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