background image

Chapter

 2

 

 
 

Chapter 2 installation Guideline 2-

3

 

 

Power supply  

Operation is guaranteed when using any power supply b1

5

 and 

+

2

5

 V

DC 

. Power ripples must be limited to 5 V peak to peak while the 

immediate 

voltage in all 

 

cases must be maintained

 

 between

 

 +1

5

 and 

+

25

 V

DC 

. All power supply 

 

specifications are

 

 referenced 

 

at

 

 module 

connector. 

 

When modules are powered remotely,

  

 the effects of 

 

DC 

voltage drops must be considered. 

Small systems may be powered by using wall-mounted modular 

power supplies. Also, when modules operate in long communication 
lines (>500 feet), it is often more reliable to obtain power locally 
through modular power supplies. These inexpensive units can be easily 
obtained from any electronic retail stores.  

The power cables should be selected according to the length of the 

power lines and the number of modules connected. When implementing 
a network with long cables, the use of thicker wire is more suitable due 
to the limitation of DC voltage drop. Furthermore, long wires can also 
cause interference with communication wires.  
 
 
 
 
 
 
 
 

Summary of Contents for MIR 6000 Series

Page 1: ...MIR 6000 Controller and Data logger Modules User s Manual...

Page 2: ...reproduced copied translated or transmitted in any form or by any means without the prior written permission of Tamam tadbir Co Ltd Information provided in this manual is intended to be accurate and...

Page 3: ...Zero drift 6 V C Span drift 25 ppm C Isolation rated voltage 3000 VDC CMR 50 60 Hz 150 dB NMR 50 60 Hz 100 dB A D resolution Error 0 1 Sampling rate 1 samples second Max Input impedance Voltage 2 M C...

Page 4: ...ccuracy 0 5 or better Zero drift 6 V C Span drift 25 ppm C Isolation rated voltage 3000 VDC CMR 50 60 Hz 150 dB NMR 50 60 Hz 100 dB A D resolution Error 0 1 Sampling rate 1 samples second Max Input im...

Page 5: ...485 2 wire 38 4K 4000 ft 1200 m Accuracy 0 5 or better Zero drift 6 V C Span drift 25 ppm C Isolation rated voltage 3000 VDC CMR 50 60 Hz 150 dB NMR 50 60 Hz 100 dB A D resolution Error 0 1 Sampling...

Page 6: ...s Maximum distance RS 485 2 wire 38 4K 4000 ft 1200 m Accuracy 0 5 or better Zero drift 6 V C Span drift 25 ppm C Isolation rated voltage 3000 VDC CMR 50 60 Hz 150 dB NMR 50 60 Hz 100 dB A D resolutio...

Page 7: ...t 1200 m Accuracy 0 5 or better Zero drift 6 V C Span drift 25 ppm C Isolation rated voltage 3000 VDC CMR 50 60 Hz 150 dB NMR 50 60 Hz 100 dB A D resolution Error 0 1 Sampling rate 1 samples second Ma...

Page 8: ...K Maximum distance 4000 ft 1200 m Accuracy 0 5 or better Zero drift 6 V C Span drift 25 ppm C Isolation rated voltage 3000 VDC CMR 50 60 Hz 150 dB NMR 50 60 Hz 100 dB A D resolution Error 0 1 Sampling...

Page 9: ...r Zero drift 6 V C Span drift 25 ppm C Isolation rated voltage 3000 VDC CMR 50 60 Hz 150 dB NMR 50 60 Hz 100 dB A D resolution Error 0 1 Sampling rate 1 samples second Max Input impedance Voltage 2 M...

Page 10: ...l ranges of voltage input or RTD input All of the module s configuration parameters including I O address HI and LO alarm calibration parameters settings may be set remotely Remote configuration can b...

Page 11: ...may be connected to an RS 485 multi drop network by using the RS 485 repeater which extends the maximum communication distance up to 4 000 ft The host computer is connected to the RS 485 network with...

Page 12: ...environment MIR modules low power requirements help them to operate in temperatures from 0 to 50 and in humidity from 0 to 90 non condensing They are compactly built using automated SMT technology The...

Page 13: ...Installation Guideline 2...

Page 14: ...MIR network The following list gives an overview of what is needed to setup install and configure an MIR environment MIR modules A host computer such as an IBM PC AT compatible that can output ASCII...

Page 15: ...Small systems may be powered by using wall mounted modular power supplies Also when modules operate in long communication lines 500 feet it is often more reliable to obtain power locally through modu...

Page 16: ...ommunication Wiring We recommend the use of shielded twisted pair cable in the MIR network for reducing interference purpose but the cable has to comply with the EIA RS 485 standard Furthermore only o...

Page 17: ...in 38 4 Kbps for all modules RS485 Repeater optional When communication lines exceed 4000 ft 1200 meter or more than 32 MIR modules are connected or for line Isolation between two MIR stations a repea...

Page 18: ...on and hook up Before placing a module in an existing network the module should be configured Default Factory Settings Address 01 hexadecimal The basic hook up for module configuration is shown below...

Page 19: ...ower the MIR module on while shorting the INIT and GND terminals See Figure 2 3 or set the INIT switch to Init See Figure 2 4 Figure 2 3 Grounding the INIT Terminal Set controller number through compu...

Page 20: ...hapter 2 Chapter 2 installation Guideline 2 11 2 4 Multiple Module Hookup The Figure below is an example of how MIR modules are connected in a multiple module network Figure 2 5 Multi module Connectio...

Page 21: ...Chapter 3 Chapter 3 I O Modules 3 39 Application Wiring Figure 3 35 MIR6000 Universal Analog Input Wiring Diagram...

Page 22: ...RS 485 Network E...

Page 23: ...o send and receive Since the nodes are connected in parallel they can be freely disconnected from the host without affecting the functioning of the remaining nodes In industry shielded twisted pair is...

Page 24: ...asychained This limitation is a physical one When using more modules per segment the IC driver current rapidly decreases causing communication errors Totally the network can hold up to 256 addressable...

Page 25: ...s of the first segment A tree structure is the result This scheme is not recommended when using long lines since it will cause a serious amount of signal distortion due to a signal reflection in a sev...

Page 26: ...e of the resistor should be a close as possible to the characteristic impedance of the line Although receiver devices add some resistance to the whole of the transmission line normally it is sufficien...

Page 27: ...parallel receiver resistance RP will therefore be equal to RP 36 x 103 30 1200 Ohm While the termination receptor RT will equal RT RO 1 RO RP Thus for a line with a characteristic impedance of 100 re...

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