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Dutec I/O Plexer Repeater, Manual

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Dutec I/O Plexer Repeater Manual Download Page 33

Setup  3

3 - 4

Communication Verification:

Most startup problems are related to the communications link. The lowest bar of the left 10
bar display (marked recv) blinks when there is serial data traffic being sent to this I/O Plexer
Repeater from the other unit. The LED merely indicates serial data. It does not indicate that
this data is valid nor at the proper baud rate. The lower bar on the right 10 bar display
(marked trans) blinks each time this I/O Plexer Repeater sends data to the other unit. When
the network is first activated, 

UNIT O

 polls 

UNIT 1

 periodically until it answers. When the

link is established, the two units will communicate in a back and forth manner continuously.
If either side experiences failure, such as power loss, 

UNIT O

 will return to periodically

polling 

UNIT 1 

until the link is re-established and/ or power is returned to the unit. 

Hardware error codes:

When the I/O Plexer Repeater is initially turned on, it goes through internal self test. If
anything is not correct, the appropriate error code will flash on the sequential display. Try
recycling power, if that does not resolve the error condition please call duTec technical
support at (800) 248-1632.

Summary of Contents for I/O Plexer Repeater

Page 1: ...Repeater MANUAL ...

Page 2: ......

Page 3: ...l be suitable the use specified without further testing or modification DuTec inc general policy does not recommend the use of its products in life support applications where failure or malfunction of a component may directly threaten life or injury It is a condition of sale that the user of duTec inc products in life support applications assumes all risk of such use and indemnifies duTec inc agai...

Page 4: ...tions 1 5 Installation 2 1 Mounting 2 1 Power Wiring 2 1 Digital Expander 2 2 Linking the two I O Plexer Repeaters 2 3 Link via RS 485 2 4 Link via RS 422 2 5 Link via modem 2 6 Adding Digital Expanders 2 7 Installing the I O Modules 2 8 Analog outputs 2 15 Digital Inputs 2 16 Digital outputs 2 17 Chassis Setup 3 1 Baud rate 3 1 Setup pushbutton 3 1 Sequential display 3 1 Input output separators 3...

Page 5: ...Table of Contents Sequential display 3 4 Communication Verification 3 5 Hardware error codes 3 5 ...

Page 6: ...signals can be passes in either direction Data checksumming is automatically employed to ensure data integrity Capacity One pair of I O Plexer Repeaters can interface 16 analog and digital signals in any combination With optional digital expanders up to 48 more digital signals can be added for a total of 64 I O channels Compatibility I O Plexer Repeaters use DuTec I O modules to match signal requi...

Page 7: ...o 38 400 Maximum Distance Serial Link Feet Meters RS 232 50 15 RS 422 5 000 1 524 RS 485 5 000 1 524 Modem Unlimited Unlimited Response Time Under full load sixteen analog and 48 digital signals the average response time between an input event and resulting output is less than 250mS 9600 Baud Easy Setup The I O Plexer Repeater has its own power supply no need to purchase or reserve space for an ex...

Page 8: ...exer Repeater can be instructed to implement alarm and failsafe states in the event of a communication failure Ungradable If the application evolves to a centralized or distributed control network I O Plexer Repeaters can be returned to the factory to be converted into standard I O Plexers for a fraction of the cost of a new unit This means that the I O Plexer Repeater hardware can be recycled int...

Page 9: ...0Vac 3 5A NC ITCK Type K 100 to 924 C ITCK 1 Type K 110 to 1250 C OAC5J Output 20 280Vac 6 0A ITCR Type R 0 to 960 C DC ITCR 1 Type R 0 to 1760 C ODC5 Output 5 60 Vdc 3 5A ITCS Type S 0 to 1034 C ODC5A Output 4 200Dc 1 0A ITCS 1 Type S 0 to 1760 C ODC5R Electro Mechanical 0 5A Relay Form A NO ITCT Type T 200 to 224 C Special Purpose ITCT 1 Type T 120 to 400 C IDC5S Dry input contact sense built in...

Page 10: ...umber e g IOP RAD I O Plexer repeater for analog and digital signals IOP RD I O Plexer repeater for digital signals only Options are specified by a series of suffixes to the model number preceded by a slash Power supply options are noted above To expand signal capacity beyond 16 the following options allow the use of the I O Plexer repeater with digital expanders For example IOP RAD 3 Allows the u...

Page 11: ...Introduction 1 1 6 ...

Page 12: ...ed with 4 6 or 8 round head or pan head screws located on a 3 5 X 16 5 grid Hole locations in relation to the overall dimensions are shown below Both the I O Plexer repeater and the digital expander have the same mounting dimensions Figure 2 1 I O Plexer footprint Power Wiring Power connections are made at the 3 position terminal block located on the right end of the I O Plexer Repeater No 8 capti...

Page 13: ...White wire to the terminal marked N neutral Green wire to the terminal marked G chassis earth ground Option B or C 10 30 VDC Operation of the power source to the terminal marked H of the power source to the terminal marked N Earth Ground where available to the terminal marked G Digital Expander The I O Plexer Repeater Digital Expander IOP DE Receives its power and signals from the I O Plexer Repea...

Page 14: ...0 Feet In situations where distances are greater than 5000 feet or circumstances do not allow additional wire to be installed RS 232 Radio or telephone modems may be used In any event the appropriate transmitter of the I O Plexer Repeater will be connected to a suitable receiver of the other I O Plexer Repeater as shown in figure 2 3 Figure 2 3 Communications link Serial Link IOP RAD IOP RAD Outpu...

Page 15: ...connections which require the cover to be removed are made by placing a 1 4 inch stripped wire into the openings of the wire clamp terminal block and tightening the screw This block is socketed for easy removal An alternative means for network connection is to use the 10 pin male connector located behind the clamp terminal block This connector mates with Molex shell number 50 57 9005 and used pins...

Page 16: ...ver frequently leads to costly debugging These connections which require the cover to be removed are made by placing a 1 4 inch stripped wire into the openings of the wire clamp terminal block and tightening the screw This block is socketed for easy removal An alternative means for network connection is to use the 10 pin male connector located behind the clamp terminal block This connector mates w...

Page 17: ...ts CTS line active high to the I O Plexer Repeater thus initiating the data exchange In addition to the modem to I O Plexer Repeater wiring the installer should confirm that JP3 RTS CTS Jumper is positioned as shown in figure 2 10 Jumper JP5 RTS CTS for the local RS 232 port should remain in the horizontal position unless the RTS CTS pair is needed in the device connected to the local RS 232 port ...

Page 18: ...ched to the main unit via a ribbon cable supplied with the Digital Expander Normally power is supplied through this cable In some circumstances however the Digital Expander is purchased with an optional power supply If so equipped the installer must provide the necessary power connections as well see page 2 2 Digital expanders are configured during the main chassis normal setup procedure ...

Page 19: ...s as well In addition to the main I O chassis an I O Plexer Repeater system may include additional I O chassis called digital expanders These chassis allow up to 48 additional digital only I O signals to be transmitted over the serial link When installing the system place the chassis designated UNIT O in the location having the most output signals Certain guidelines must be followed when installin...

Page 20: ...ng with module 0 then 1 and so on If none were used skip this step 2 Install all digital input modules for UNIT O beginning with the next available module position If none are used skip this step 3 Repeat step 2 for the analog output and digital output modules 4 Install the modules in UNIT 1 which are to be matched with those in UNIT O Be sure that each input in UNIT O is paired with a correspondi...

Page 21: ... digital input modules for UNIT O beginning with module 0 then 1 and so on If none were used skip this step 2 Install all digital output modules for UNIT O beginning with the next available module position If none are used skip this step 3 Install the modules in UNIT 1 which are to be matched with those in UNIT O Be sure that each input in UNIT O is paired with a corresponding output in UNIT 1 Lik...

Page 22: ... digital input modules for UNIT O beginning with module 0 then 1 and so on If none were used skip this step 2 Install all digital output modules for UNIT O beginning with the next available module position If none are used skip this step 3 Install the modules in UNIT 1 which are to be matched with those in UNIT O Be sure that each input in UNIT O is paired with a corresponding output in UNIT 1 Lik...

Page 23: ... digital input modules for UNIT O beginning with module 0 then 1 and so on If none were used skip this step 2 Install all digital output modules for UNIT O beginning with the next available module position If none are used skip this step 3 Install the modules in UNIT 1 which are to be matched with those in UNIT O Be sure that each input in UNIT O is paired with a corresponding output in UNIT 1 Lik...

Page 24: ...ly and monitoring a valid signal The indicator light may be On brightly off or flicker otherwise Figure 2 7 figure 2 8 and figure 2 9 show the wiring for various types of analog inputs With the exception of thermocouples and RTD s connections are made via the black terminal strip In the case of thermocouple RTD s connections are made directly to the module mating connectors are included There must...

Page 25: ...Installation 2 2 14 Figure 2 9 Analog Frequency Voltage and current input wiring Figure 2 10 Temperature input wiring ...

Page 26: ...onsult application support Module status indicators blink briefly when outputs are updated It should be noted that the status indicator only reflects the TTL data stream to the modules This in of itself does not indicate the actual value of the output signal Output can only truly be verified by monitoring the device to be controlled using a multimeter oscilloscope or employing an analog input modu...

Page 27: ...rnal source is connected The IDC5 and IDC5D input modules are polarity sensitive and operate only when the terminal is more positive than the terminal Polarity does not affect the performance of the IAC5 IAC5A or the IDC5S input modules Because the field sides of input modules are totally isolated from each other like polarities can be wired common to make use of a single power supply The wiring a...

Page 28: ...s conducts current through its protective diode and appears to be uncontrollable it is Polarity does not affect the performance of OAC5 and OAC5A digital output modules Because the field sides of output modules are totally isolated from each other like polarities can be wired common to make use of a single power supply It should be noted that the status indicator only follows the logic instruction...

Page 29: ...Installation 2 2 18 ...

Page 30: ... and in the case of UNIT O where the separation between input and output modules is A momentary pushbutton and seven segment display provide access to these parameters Figure 3 1 shows the location of these components labeled setup pushbutton and sequential display During normal operation the sequential display shows the following characters one at a time Display cycle for UNIT O Display cycle for...

Page 31: ... of outputs set the I O separator to O Refer to the worksheet found on page 2 9 The second I O separator following the in the sequential display is the first digital expander I O separator It should be set equal to the lowest numbered module position containing a digital output module on the first expander chassis Refer to the worksheet on page 2 10 If the first digital expander is not being used ...

Page 32: ...horizontal position see page 2 6 Changing setup parameters During setup the user may need to change the unit number serial link baud rate and the input output separator positions on UNIT O The pushbutton located under the removable cover is used to change these parameters The pushbutton causes the adjacent LED to flash each time it is pushed Any changed values are automatically saved in non volati...

Page 33: ...er unit When the network is first activated UNIT O polls UNIT 1 periodically until it answers When the link is established the two units will communicate in a back and forth manner continuously If either side experiences failure such as power loss UNIT O will return to periodically polling UNIT 1 until the link is re established and or power is returned to the unit Hardware error codes When the I ...

Page 34: ...nt 2 1 For UNIT 1 3 1 Host computer 1 1 Input Output Separators 3 2 Isolation 1 1 IOP RAD 1 5 IOP RD 1 5 JP3 2 6 JP5 2 6 Local RS 232 port 2 6 Modem 1 2 2 3 2 6 Modem Jumpers 3 3 Modules 1 4 mounting 2 1 Network type switch 3 3 Outputs 1 4 Package 1 5 Power 1 5 Power supply 1 4 Power Wiring 2 1 Response Time 1 2 RS 232 1 2 RS 422 1 2 2 3 2 5 RS 485 2 4 RT 1 4 RTD 2 13 RTS CTS 2 6 Sequential displa...

Page 35: ...Index The local RS 232 port 2 6 Thermocouple 1 4 2 13 UNIT O 2 8 3 1 UNIT1 2 8 ...

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