3-6
4.2 Relays, opto-couplers and analogue outputs
The LPU2 provides relay, opto-coupler and analogue outputs.
Function
# of functions
Switch-over contact relay outputs:
4
Closing contact(s) relay outputs:
4
Opto-coupler outputs:
8
Two analogue outputs can be individually programmed to provide requested speed
information.
5
Calibration
The JLN-900 speed log has calibration functions. The speed calibration factors and
transducer alignment are entered into the speed log via the Speed Log Master Display, as
appropriate for the SOG and STW respectively.
STW range:
-50.00% to +50.00% of sensed speed in 0.01% steps.
Up to 3 different draught conditions.
Up to 10 speed calibration points.
SOG range:
-50.00% to +50.00% of sensed speed in 0.01% steps
SOG transducer angle range: -180.0º to +180.0º in 0.1º steps.
The STW-speed log generally needs calibration correction on all ships due to properties of
water flow around the hull. The SOG log transducer angle calibration is only needed when
correct mechanical transducer alignment is not fully obtained. The SOG log seldom needs
calibration and requires extremely accurate reference data.
Summary of Contents for JLN-900
Page 2: ......
Page 12: ...x This page is intentionally blank ...
Page 17: ...2 1 JLN 900 Technical Description ...
Page 23: ...2 7 sigbel ...
Page 30: ...2 14 This page is intentionally blank ...
Page 31: ...3 1 JLN 900 Technical Specification ...
Page 38: ...3 8 This page is intentionally blank ...
Page 39: ...4 1 JLN 900 Installation of Transducer and Bottom Parts ...
Page 59: ...4 21 Transducer and Valve Cover mounted Sea Valve fully opened ...
Page 63: ...4 25 Fig 1 3 Aligning Transducer Connecting Tube ...
Page 76: ...4 38 Mounting Sea Valve on Upper Flange DB ...
Page 81: ...4 43 Gasket Seal 2 ...
Page 83: ...4 45 Transducer and Valve Cover mounted Sea Valve fully opened ...
Page 86: ...4 48 Tube Bracket in its final position with Transducer flush seated ...
Page 88: ...4 50 Fig 2 5 Aligning Transducer Connecting Tube ...
Page 92: ...4 54 This page is intentionally blank ...
Page 93: ...5 1 JLN 900 Installation of NJC 80 Sig Processor ...
Page 150: ...6 50 This page is intentionally blank ...
Page 151: ...7 1 JLN 900 Display Technical Description ...
Page 167: ...7 17 No Name Default setting Function SD 4 2 SD 4 3 SD 4 4 there are remote systems connected ...
Page 179: ...8 1 JLN 900 Analog Display Technical Manual ...
Page 183: ...8 5 2 1 Main Dimensions NWW 828 Analog Display ...
Page 184: ...8 6 2 2 Dimmer Potentiometer connection Analog Display ...
Page 186: ...8 8 This page is intentionally blank ...
Page 187: ...9 1 JLN 900 Menu System ...
Page 208: ...9 22 This page is intentionally blank ...
Page 209: ...10 1 JLN 900 WATER TRACK Technical Manual including Menu system ...
Page 233: ...11 1 JLN 900 IEC 61162 NMEA 0183 User Guide ...
Page 254: ...11 22 This page is intentionally blank ...
Page 255: ...12 1 JLN 900 Harbour Acceptance Test ...
Page 266: ...12 12 This page is intentionally blank ...
Page 267: ...13 1 JLN 900 Calibration and Sea Acceptance Test ...
Page 280: ...13 14 This page is intentionally blank ...
Page 281: ...JLN 900 system drawings 14 1 ...
Page 289: ...CFT 780 4 TRANSDUCER 40m 14 9 ...
Page 290: ...NKF 980 Sea Valve 14 10 ...
Page 291: ...NKF 980 Sea Valve 14 11 ...
Page 292: ...NWW 82 MAIN DISPLAY 14 12 ...
Page 293: ...DISPLAY 3 1 87 14 13 ...
Page 294: ...NCM 1080 DIMMER UNIT 14 14 ...
Page 295: ...15 1 JLN 900 Description labels and drawings ...
Page 300: ...15 6 This page is intentionally blank ...
Page 301: ...16 1 Annex JLN 900 Speed Log System Manual ...
Page 302: ...16 2 Annex Table of contents ANNEX I EQUIPMENT RECYCLING 3 ANNEX II ENERGY SAVING 5 ...
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