Ele GDU 27-1500 Operating Instructions Manual Download Page 2 | Manualshive

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GDU
27-1500

Original Instructions

2

9901X0265 Issue 2

Contents

INTRODUCTION AND SPECIFICATION

Safety information

Precautionary labels

Analogue Input Module

Physical Specification

Replacement Parts

INSTALLATION AND CONNECTION

Mainframe Chassis

Internal Power Supply

Baud Rates and Word Formats

XON/XOFF protocol

RS232 Interface Connections

ANALOGUE INPUT MODULE WITH TRANSDUCER EXCITATION

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Summary of Contents for GDU 27-1500

Page 1: ... 44 0 1525 249249 email ele eleint co uk http www ele com ELE International a division of Hach Lange Ltd Distributor ELE International Soiltest Product Division PO Box 389 Loveland CO 80539 USA phone 1 800 323 1242 fax 1 970 663 9781 email soiltest eleusa com http www eleusa com In the interests of improving and updating its equipment ELE reserves the right to alter specifications to equipment at ...

Page 2: ...ION 9 2 1 INSPECTION 9 2 2 PRE INSTALLATION CHECKS 9 2 3 INSTALLING ADDITIONAL INPUT MODULES 9 2 4 POWER CONNECTIONS 9 2 5 CONSTRUCTION 10 2 5 1 Dimensions 10 2 5 2 Mainframe Chassis 10 2 5 3 Internal Power Supply 10 2 5 4 Rear Panel 10 2 6 COMPUTER COMMUNICATIONS INTERFACES 11 2 7 CONFIGURING THE RS232 INTERFACE 11 2 7 1 Baud Rates and Word Formats 11 2 7 2 XON XOFF protocol 11 2 7 3 RS232 Interf...

Page 3: ...Original Instructions 3 9901X0265 Issue 2 3 3 INSTALLATION 15 3 4 SIGNAL INPUT CONFIGURATIONS 15 4 CPU MODULE 16 4 1 GENERAL DESCRIPTION 16 4 2 SWITCH SETTINGS AND JUMPER 16 4 3 FIRMWARE UPDATES 16 5 MAINTENANCE 17 ...

Page 4: ...h damages to the full extent permitted under applicable law The user is solely responsible to identify critical application risks and install appropriate mechanisms to protect processes during possible equipment malfunction AVIS Le fabricant décline toute responsabilité quant aux dégâts liés à une application ou un usage inappropriés de ce produit y compris sans toutefois s y limiter des dommages ...

Page 5: ... si elle n est pas évitée peut endommager l instrument L information qui nécessite une attention particulière 1 2 2 Precautionary Labels Read all labels and tags attached to the instrument Personal injury or damage to the instrument could occur if not observed A symbol on the instrument is referenced in the manual with a precautionary statement This symbol if noted on the instrument references the...

Page 6: ...uses and can radiate radio frequency energy and if not installed and used in accordance with the instruction manual may cause harmful interference to radio communications Operation of this equipment in a residential area is likely to cause harmful interference in which case the user will be required to correct the interference at their expense The following techniques can be used to reduce interfe...

Page 7: ...not be inserted in any other positions The Ethernet interface should only be connected to a host PC via an appropriate router 1 5 2 Analogue Input Module The GDU mainframe has four slots slots 1 to 4 which can accept the analogue input modules The system can address up to 32 individual input channels where one channel normally corresponds to one analogue input Each input module accepts up to eight...

Page 8: ... WARNING Personal injury hazard Use of non approved parts may cause personal injury damage to the instrument or equipment malfunction The replacement parts in this section are approved by the manufacturer AVERTISSEMENT Risque de blessures corporelles L utilisation de pièces non approuvées comporte un risque de blessure d endommagement de l appareil ou de panne d équipement Les pièces de rechange d...

Page 9: ...xation sont serrées 2 3 Installing Additional Input Modules The basic GDU consists of the chassis with a CPU with RS232 and Ethernet interfaces For systems with one analogue input module this is inserted in slot 1 as default Shock hazard modules must not be plugged in or removed whilst the system power is on Risque de choc électrique les modules ne doit pas être branché ou retiré tandis que la pui...

Page 10: ... mm Depth 320 mm 2 5 2 Mainframe Chassis The mainframe chassis is of a modular construction that will enable you to upgrade your GDU to satisfy further demands you may place on the unit The backplane PCB has 5 DIN 41612 type C sockets for easy module insertion There are 4 slots of which you may insert up to 4 analogue input module cards slots 1 through to 4 dependent on the tasks you require the G...

Page 11: ...he host computer must be able to support the following configuration 2 7 1 Baud Rates and Word Formats The rate at which devices can communicate is specified by a Baud rate or the number of BITS second It is important that both transmitting and receiving devices operate at the same rate Data is transmitted as a burst of pulses comprising an initial START BIT followed by a number of BITS that const...

Page 12: ...propriate router supporting 10BaseT The default device name of the GDU can be set via switch S1 on the CPU module 1914B0065 Switch S1 5 must be OFF Depending on the nature of the network system it may take some time for the GDU s register name to be recognised S1 1 S1 2 S1 3 S1 4 GDU Name Off Off Off Off ELE GDU00 On Off Off Off ELE GDU01 Off On Off Off ELE GDU02 On On Off Off ELE GDU03 Off Off On...

Page 13: ...into random states However special memory protection is triggered if the supply drops below this level If the supply continues to fall the memory and RTC power are protected When the mains power returns to normal the protection circuit waits momentarily for the power supplies to stabilize and then allows the processor to start operating If the memory fails on power up the GDU indicates this with t...

Page 14: ...many types of sensor and has input overvoltage protection to prevent system damage in the event of incorrect connections being made The module has built in gain offset circuitry and a 16 bit ADC On the front of the module are 9 status LEDs The top left LED indicates the module has been correctly recognised by the CPU The other vertical 8 LEDs down the centre of the module indicate the channel sele...

Page 15: ...egardless of the channel range selected but it is recommended that the left most slot is used for channels 1 to 8 the next slot for channels 9 to 16 and so on Care must be taken not to set up different modules with the same channel range 3 4 Signal Input Configurations Signals within the input module are switched to the input of a programmable gain instrumentation amplifier This amplifier will acc...

Page 16: ... there is an invalid comms message then cleared when the host PC sends an ERROR message 4 2 Switch Settings and Jumper There are two eight bank DIP switches S1 and S2 on the GDU CPU Switch S1 is used for test mode and Ethernet setup where applicable see section 2 8 Switch S2 is reserved for development use 4 3 Firmware Updates The CPU contains a flash memory device that holds the firmware for the ...

Page 17: ... ou réparés contacter le fabricant Clean the instrument Clean the exterior of the instrument with a moist clothe and a mild soap solution Replace the instrument s fuse DANGER Fire hazard Use the same type and current rating to replace fuses DANGER Risque d incendie Remplacez les fusibles par des fusibles de même type et de même calibre Fuse failure is typically caused by an instrument problem If t...

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