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Summary of Contents for Simrad GI50
- Page 1 INSTRUCTION MANUAL Using the Simrad GI50 in an AI70 system...
- Page 2 Note! Simrad 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. Warning! The equipment to which this manual applies must only be used for the purpose for which it was designed.
- Page 3 Using the GI50 Gyro Interface in an AI70 system Using the GI50 Gyro Interface in an AI70 System This manual is used for connecting the GI50 Gyro Interface to an AI70 system, and for configuring the AI70 system software when a GI50 is used. 20221552/A...
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Page 4: Document Revisions
Using the GI50 Gyro Interface in an AI70 system r Document revisions Date Written by Checked by Approved by 07.11.03 Document history Comment First issue. To assist us in making improvements to this manual, we would welcome comments and constructive criticism. Please send all such - in writing to: Simrad Egersund AS Nyåskaien... -
Page 5: Table Of Contents
Using the GI50 Gyro Interface in an AI70 system r Content INTRODUCTION ....................4 TECHNICAL SPECIFICATIONS................4 INSTALLATION ..................... 6 Cabling ......................6 External resistors ....................7 Jumper and Dip switch settings ................ 8 Power Turn-on....................9 AI70 SOFTWARE CONFIGURATION ............... 10... -
Page 6: Introduction
Using the GI50 Gyro Interface in an AI70 system 1 INTRODUCTION The Gyro Interface unit is required when a gyrocompass with geared synchro or stepper signal output is connected to an AI70 system. It is also required when a speed log signal with 200 pulses/NM is connected to the AI70 system. - Page 7 Using the GI50 Gyro Interface in an AI70 system Figur 1. GI50 Dimensions 20221552/A...
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Page 8: Installation
Using the GI50 Gyro Interface in an AI70 system 3 INSTALLATION 3.1 Cabling All cable conductors are terminated in screw terminals on the GI50 PCB as shown on the figure below. Figur 2. GI50 Connections 20221552/A... -
Page 9: External Resistors
Using the GI50 Gyro Interface in an AI70 system 3.2 External resistors Since the GI50 is based on a current loop interface, the unit must be provided with the external resistor network supplied for RS422 interfacing. The resistors are connected according to the figure below. -
Page 10: Jumper And Dip Switch Settings
3.3 Jumper and Dip switch settings There are three plug-in jumpers on the GI PCB, one for each phase. The position of the jumpers allows the GI50 to operate from either positive or negative step-signals. The jumper position shown on Figur 4 enables step-signals with positive common. -
Page 11: Power Turn-On
Using the GI50 Gyro Interface in an AI70 system 3.4 Power Turn-on For location of LEDs, refer to Figur 4 on page 8. After power turn-on, verify that the LED D8 is lit. This indicates that the regulated 5V is OK. -
Page 12: Ai70 Software Configuration
C o r r e c t e d H e a d i n g : 3 5 9 . 9 Note! This menu will only be active when a GI50 is connected to the AI70 system. If no GI50 system is connected, the page will be read-only.
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