Simrad RGC12 User Manual
INSTALLATION MANUAL
Robertson RGC12
Gyro Compass
20220737
NOTE!
Simrad Robertson AS makes every effort to ensure that the information
contained within this document is correct. However, our equipment is
continuously being improved and updated, so we cannot assume liability
for any errors which may occur.
The information contained within this document remains the sole property
of Simrad Robertson AS. No part of this document may be copied or
reproduced in any form or by any means, and the information contained
within is not to be passed on to a third party, without the prior written
consent of Simrad Robertson AS.
Warning
The equipment to which this manual applies must only be used for
the purpose for which it was designed. Improper us e or
maintenance may cause dama ge to the equipment or injury to
personnel. The user must be familiar with the contents of the
appropriate manuals before attempt ing to operate or work on the
equipment.
Simrad Robertson AS disclaims any responsibility for damage or
injury caused by improper installation, use or ma intenance of the
equipment.
Simrad Robertson AS Telephone: +47 51 46 20 00
Nyåskaien Telefax: +47 51 46 20 01
P.O. Box 55
N-4379 Egersund, Norway
Installation Manual
Installation Manual
RGC12 Gyro Compass
This document describes the ins tall ation o f the S imr ad
Robertson RGC12 Gyro Compass and optional
equipment.
20220737B
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Robertson RGC12 Gyro Compass
Document revisions
Rev Date Written by Checked by Approved by
A
B
C
D
04.01.2000 NG VP ThH
04.10.2000 NG TR
Document history
Rev. A This is the first issue
Rev. B Section 5 Optional Equipment included. RGC12 External Wiring Diagram
included.
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Installation Manual
Contents
1 INTRODUCTION...........................................................................................................5
2 SPECIFICATIONS ..........................................................................................................6
2.1 RGC12 Master Compass........................................................................................6
Physical Dimensions..............................................................................................6
Power.......................................................................................................................6
Accuracy..................................................................................................................6
Environmental specifications................................................................................6
2.2 RGC12 Control Box................................................................................................7
Physical Dimensions..............................................................................................7
Power.......................................................................................................................7
General specifications............................................................................................7
Special specifications (option) ............................................................................10
Environmental specifications..............................................................................10
2.3 Cables.....................................................................................................................11
3 INSTALLATION........................................................................................................... 12
3.1 General information.............................................................................................12
3.2 Precaution before installation.............................................................................12
3.3 Logistics.................................................................................................................13
3.4 Terminal connector tool...................................................................................... 13
3.5 Caution in Installation.........................................................................................13
3.6 100/110V AC Mains ..............................................................................................15
3.7 Spare parts.............................................................................................................16
4 INSTALLATION DRAWINGS...................................................................................17
5 OPTIONAL EQUIPMENT...........................................................................................23
5.1 DR75 Digital Repeater (NMEA)..........................................................................23
Introduction..........................................................................................................23
Specifications........................................................................................................23
Installation.............................................................................................................24
Controls.................................................................................................................26
Indicators............................................................................................................... 27
Modes.....................................................................................................................27
Flashing LCD display ..........................................................................................27
5.2 RSR68 Steering Repeater (Step)..........................................................................28
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Robertson RGC12 Gyro Compass
Introduction..........................................................................................................28
Specifications........................................................................................................28
Installation.............................................................................................................29
5.3 RSR77 Steering Repeater (Step)..........................................................................31
Introduction..........................................................................................................31
Specifications........................................................................................................31
Installation.............................................................................................................32
5.4 RP-41-1 Bearing Repeater....................................................................................34
Specifications........................................................................................................34
MB Repeater Holder............................................................................................35
BH Repeater Stand...............................................................................................36
Bearing Repeate r Connection.............................................................................37
5.5 Change Over Unit................................................................................................ 38
Specifications........................................................................................................38
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20220737B
1 INTRODUCTION
This document describes the installation of the Robertson
RGC12 Gyro Compass.
The compass consists of the Master Compass with Sensitive
Element and Control Box.
The gyrocompass RGC12 is a system to detect and display true
heading necessary for navigation and output data to external
equipment. It has been designed for medium and large vessels
and provides high accuracy and reliability on the basis of the
TG-5000 series gyrocompass which has been installed on more
than 5000 vessels.
The Control Box contains all interfaces to external equipment, as
well as connection to the Master Compass. Power for the gyro
system is also terminated in the unit.
Installation Manual
Note ! The guidelines for installation presented here must be regarded as a
base for detailed plans prepared by the installation shipyard. These
plans must include drawings, instructions and procedures specific to
the ship in which the equipment is to be installed . These drawings must
be approved by the local maritime classification society.
Simrad Robertson AS accepts no responsibility for any damage
or injury to the system, ship or personnel caused by drawings,
instructions or procedures not prepared by Simrad Robertson
AS.
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Robertson RGC12 Gyro Compass
2 SPECIFICATIONS
2.1 RGC12 Master Compass
Physical Dimensions
Height:.........................................................................432 mm (17,0”)
Width:..........................................................................360 mm (14,2”)
Depth:..........................................................................358 mm (14,1”)
Weight:........................................................................... 25 kg (55 lbs)
Power
Voltage input:........................................Supplied from Control Box
Accuracy
Settling time:..Within 4 hours
(at lat. 35° when starting from deviation angle of
within 30°)
Within 2 hours
(at lat. 35° when starting from deviation angle of
within 5°)
Settle point error:.............................................. ±0.3º x sec. latitude
Standard deviation:..............................................0.1º x sec. latitude
Repeatability:.±0.2°x sec. latitude
Roll and pitch error:..........................................±0.5° x sec. latitude
Accuracy for environmental change:..............±0.5° x sec. latitude
Speed error correction accuracy.......................±0.2 x sec. latitude
Environmental specifications
Enclosure material:..........................................................Aluminium
Enclosure protection:.................................................................. IP22
Operational temperature range:.................................–10°C to 50°C
Storage temperature range:.........................................–25°C to 70°C
Maximum storage period: (recommended temp. +5 - +35°C) 1 year
With reference to the Kongsberg Simrad Environmental
Specification, the following exceptions and additions comply:
IEC Publication: 68-2-1 ref. EN 60945
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Installation Manual
68-2-2 ref. EN 60945
68-2-6 ref. EN 60945
68-2-27 Not tested.
68-2-30 ref. EN 60945
68-2-32 Not applicable ref. EN 60945
68-2-52 ref. EN 60945
157-1 Not tested
Note ! The equipment is approved according to the European Marine
Directive 96/98/EC (Wheel mark) which incorporates the European
Norm EN 60945 (IEC 945 3rd revision).
2.2 RGC12 Control Box
Physical Dimensions
Height:.........................................................................570 mm (22,4”)
Width:..........................................................................334 mm (13,1”)
Depth:............................................................................182 mm (7,2”)
Weight:......................................................................16,5 kg (36,3 lbs)
Power
Voltage input:.................100/110/220 VAC, single phase, 50/60 Hz
Power consumption:.............................................140 VA (Starting)
70 VA (Running)
Emergency power supply:....................................................24 VDC
140 W (Starting)
70 W (Running)
General specifications
Repeater type:.................. Step-motor type (24VDC 1 step = 1/6°)
Number of repeater ports:................................................................9
(also possible to connect load of max
24V DC 8.5A)
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Follow up rate (master compass):..................30°/sec. (360°/12 sec.)
Angular freedom of gimbal:........................±45° for roll and pitch
Latitude error correction:....................................Automatic 0° ∼ 70°
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Robertson RGC12 Gyro Compass
Speed error correction: .............. Automatic
Speed input signal: .......................................................Pulse signal
Digital output - 1
Serial signal ports:..............................................................................8
Electrical specification:........................................ RS422/NMEA0183
Baud rate:....... ..........................................................4800 bits/second
Data length:... .............................................................................8 bits
Parity:............. ............................................................................None
(200 pulse/mile is input)
(GPS input)
or manual
0 ~ 50 Knots settable
Only the repeater compasses
are corrected
(200 pulses/nm dry contact point) or GPS.
Stop bit:.......... ...............................................................................1 bit
Transmission rate:..........................................................1x/5x second
Output format:
$HEHDT, xxx. x, T*hh<CR><LF>
True heading (degree)
$HEROT, –xxx. x, A*hh<CR><LF>
Turning rate
Turning direction: CW (space), CCW (–)
$PTKM, HEALM, xxx. x, *hh<CR><LF>
Alarm group
Appears every 2 seconds.
Digital output - 2
Serial signal ports:..............................................................................4
Electrical specification:....................RS422 (Tokimec specification)
Baud rate:....... ..........................................................9600 bits/second
Data length:... .............................................................................8 bits
Parity:............. ............................................................................None
Stop bit:.......... ...............................................................................1 bit
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Installation Manual
Transmission rate:........................................... 50 msec (20x/second)
Output format:
STXKxxx. x, Lxx. x
, R–xxx. xETX
True rate
Turning direction: CW (space)
CCW (–)
Speed L=Log
P=GPS
M=Manual
True heading
$PTKM, HEALM, XYYY, Z*hh
<or><LF> (every 2 sec.)
Checksum
Alarm group
Analogue signal – 1
Turn rate ports:..................................................................................3
–5 to +5 V (±30°/min) + --- CW turn
– --- CCW turn
Analogue signal – 2
Turn rate scale-over ports:................................................................3
±30°/min or more ±5 V + --- CW turn
– --- CCW turn
GPS input signal (for latitude, speed signals)
Serial signal port:...............................................................................1
Electrical specification:.........................RS422/NMEA0183
The Tokimec specifications are as follows:
Baud rate:..................................................4800 bits/second
Data length:..................................................................8 bits
Parity:...........................................................................None
Stop bit: ...........................................................................1 bit
Transmission rate:........................................................1 sec
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Robertson RGC12 Gyro Compass
Input format:
$GPGLL, xxxx.xx, Nxxxxx.xx, E*hh<CR><LF>
$GPVTG, xxx, T, xxx, M, xx.x,N,*hh<CR><LF>
Special specifications (option)
Repeater backup signal
24 VDC 1/6° step
3 circuits max. 2.5 A.
Optional output signals
ADD PCB
Additional 6 ports 24V DC stepper output
OPS PCB
Latitude Longitude
Heading (COG), Speed (SOG)
Additional 2 ports 35 VDC stepper output
(OPS PCB can not be installed if an ADD PCB is installed.)
Environmental specifications
Enclosure material:..........................................................Aluminium
Enclosure protection:.................................................................. IP22
Operational temperature range:.................................–10°C to 50°C
Storage temperature range:.........................................–25°C to 70°C
With reference to the Kongsberg Simrad Environmental
Specification, the following exceptions and additions comply:
IEC Publication: 68-2-1 ref. EN 60945
68-2-3 ref. EN 60945
68-2-6 ref. EN 60945
68-2-28 Not tested.
68-2-30 ref. EN 60945
68-2-33 Not applicable ref. EN 60945
68-2-53 ref. EN 60945
157-1 Not tested
Note ! The equipment is approved according to the European Marine
Directive 96/98/EC (Wheel mark) which incorporates the European
Norm EN 60945 (IEC 945 3
10
rd
revision).
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2.3 Cables
No cables are included with the RGC12 delivery.
See Figure 4-5 for cable connections.
Note ! Check with supplied cable drawings.
Installation Manual
Cable
no.
Minimum conductor
requirement - mm
2
or equivalent
Type of cable
Maximum
cable length
Remarks
12 x 1.5 + E AWG15 RCOP -
22 x 1.5 AWG15 RCOP - Shielded
32 x 0.5 AWG20 RCOP 1 km Shielded
42 x 1.5 AWG15 RCOP 13 m Shielded
53 x 0.5 AWG20 RCOP 13 m Shielded
64 x 0.5 AWG20 RCOP 13 m Shielded
Cable Specification List (Ref. Figure 4-5)
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Robertson RGC12 Gyro Compass
3 INSTALLATION
3.1 General information
The RGC12 Gyro Compass, part no. 44166585, is shipped in a
cardboard container that includes the following parts:
• RGC12 Master Compass P/N 44174001
• RGC12 Master Compass Sensitive Element P/N 44174019
• RGC12 Control Box P/N 44174027
• Spare Part and Tool Box
• RGC12 Instruction Manual P/N 20220679
• RGC12 Installation Manual P/N 20220737
• Warranty Card
If optional PCBs have been ordered, they are mounted in the
RGC12 Master Compass before shipment. (Refer to Packing
List).
3.2 Precaution before installation
For details of equipment dimensions and layout, see Figure 4-1 Figure 4-4.
The Sensitive Element is packed in foaming styrol, for
protection against vibration and shock, in a separate package.
Caution ! Only people authorized by Simrad or Kongsberg Simrad should
mount the Sensitive Element in the Master Compass.
Make sure that the delivered equipment is free from damage
before starting the installation. Check:
1. Model of equipment
2. Ship’s power supply
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20220737B
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