Advantech PCL-725 Скачать руководство пользователя

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PCL-725 Introduction

1.2. Features, Application and Specifications

Features :

* 8 Relay actuator outputs.

* 8 Opto-isolated digital inputs.

* LED indicators to show activated relays.

* Jumper selectable isolated/non-isolated input signals.

* On-board relay driver circuits.

* On-board input signal conditioning circuits.

* Easy touse andprogram

Applications :

* Digital signal sensing.

* Switch contact status sensing.

* Limit switch monitoring.

* BCD interface.

* Industrial on/off control.

* Signal switching.

* Valve/solenoid control.

* External high power relay driving.

* Alarm activating.

* Annunciator control.

* Industrial automation.

* Laboratory automation.

* Useful with A/D's and D/A's.

Содержание PCL-725

Страница 1: ...e prior written permission of Advantech Co Ltd Information provided in this manual is intended to be accurate and reliable However Advantech Co Ltd assumes no responsibility for its use nor for any infringements of the rights of third parties which may result from its use ACKNOWLEDGEMENTS PC LabCard is a trademark of Advantech Co Ltd IBM and PC are trademarks of International Business Machines Cor...

Страница 2: ...TALLATION 5 2 1 Initial Inspection 5 2 2 Base Address Selection 5 2 3 ConnectorPin Assignments 7 2 4 Jumpers 7 2 5 Installing The PCL 725 8 CHAPTER3 DIGITAL I O PROGRAMMING 11 CHAPTER 4 CUSTOMIZE THE CURRENT LIMIT RESISTOR 13 CHAPTER5 RELAY OUTPUT 15 5 1 Using the ContactProtection Nomograph 16 AppendixA I Oport Address Map 19 ...

Страница 3: ...ut of a digital input register A digital input register can be thought of as an I O port that has wires attached to individual bit locations When read the data results reflect the state of the signals on the wires Designed with this idea in mind the PCL 725 Relay Actuator Isolated D I card is an IBM PC add on card that offers you 8 relay actuators and 8 opto isolated digital inputs on a single boa...

Страница 4: ...signals On board relay driver circuits On board input signal conditioning circuits Easy touse andprogram Applications Digital signal sensing Switch contact status sensing Limit switch monitoring BCD interface Industrial on off control Signal switching Valve solenoid control External high power relay driving Alarm activating Annunciator control Industrial automation Laboratory automation Useful wit...

Страница 5: ...lated Withstanding voltage 1500 VDC Non isolated Digital Input Logic level 0 0 0 8 V Logic level I 2 0 5 25 V Relay Output Relay Type 4 SPDT Form C 4 SPST Form A Contact rating 120 V AC DC IA Breakdown voltage 1000 V AC DC minimum Operating time 8 msec maximum including Bounce Release time 8 msec maximum Insulation resistance 100 MOhm minimum Life expectancy 10 million operations at full load Powe...

Страница 6: ...PCL 725 Introduction General Dimensions 5 3 4 x 3 3 4 14 7 cm x 9 5 cm Bus IBM PC bus Slot One 62 pin slot I O port Address Hex 200 hex 3F8 ...

Страница 7: ...e card if it needs repair The package may also be used if the card is stored outside of the computer The board should be handled only by the edges The integrated circuits on the board can be damaged by static electric discharge 2 2 Base Address Selection Most of the peripheral devices and the interface adapters in the PC are controlled and sensed using the digital input and output ports These port...

Страница 8: ...25 Card The required switch settings for various base addresses are illustrated as below Note ON 0 OFF 1 X means don t care 1 8 are switch positions A1 A8 correspond to address lines of the PC bus A9 is hard wired to be 1 means factory setting ...

Страница 9: ...1 1 1 1 1 1 1 1 2 3 Connector Pin Assignments The PCL 725 card is equipped with a 37 pin D type connector accessible from the rear plate Please refer to Figure 2 1 for the location of the connector The following diagram below shows its pin assignments Legend DInL digital input low channeln DInH digital input high channel n GND ground NC n normal close pin of relay n NO n normal open pin of relay n...

Страница 10: ...H 17 36 DI6L DI6H 18 37 DI7L DI7H 19 2 4 Jumpers There are two jumpers associated with each digital input channel for configuring the channel as either isolated or non isolated The following show the D I channels and their corresponding jumpers D I channel Jumpers 0 JA0 JB0 1 JA1 JB1 2 JA2 JB2 3 JA3 JB3 4 JA4 JB4 5 JA5 JB5 6 JA6 JB6 7 JA7 JB7 Examples are given here to illustrate how to configure ...

Страница 11: ... from the rear of the system unit Slide the system unit s cover away from the rear and to the front When the cover will go no further tilt it up remove it from the base and set it aside The PCL 725 is configured at the factory for the IBM PC PC XT PC AT and all IBM PC compatibles If you need further changes to the configuration please refer to Chapter 2 Installation Use a screw driver to remove th...

Страница 12: ...PCL 725 Installation cable to the connector Slide the system unit s cover back on Align the system unit tabs with the cover holes and reinstall the 1 4 mounting screws ...

Страница 13: ...n on BASE 1 will read in the value 8 bits of the 8 corresponding digital input channels To access these channels in BASIC use the statement VALUE INP BASE 1 A write operation on BASE 0 will set the desired status 1 ON 0 OFF on the 8 corresponding relay output channels To program these channels in BASIC use the following statement OUT BASE XYZ Where XYZ should be a number between 0 and 255 The stat...

Страница 14: ...mit current limlit resistor Note It is suggested that the Iin is within 20 mA Additionally you should consider the current limit resistor s maximum power rating The maximum power consumption should not exceed the power rating of your resistor The approximate formula is shown as below Pin Vin Iin where Iin input current Vin input voltage Pin input power For example if your maximum voltage input is ...

Страница 15: ...nergized To summarize the COMMON line connected to the NORMAL CLOSED line if the corresponding bit is set as 0 power on initial status Otherwise if the corresponding bit is set as i then the COMMON line will connect to the NORMAL OPEN line Warning External circuits connected to the PCL 725 s relay output port must be fused at 1A or less and be rated at 120VA or less Voltage must not exceed 120V pe...

Страница 16: ...25 you should provide relay contact protection if the load to be switched is greater than 12 V 65 mA Figure 5 2 illustrates an example of a relay contact protection network For instance if the load to be switched is 50 V 300 mA then R 56 ohms and C 0 009 uF remember that for PCL 725 s relay output E 120 V maximum The R C network should be mounted as close to the relay contacts as possible NOTE The...

Страница 17: ...PCL 725 Relay Output Figure 5 3 ...

Страница 18: ...200 Not used 201 Game control 202 277 Not used 278 27F Second printer port 280 2F7 Not used 2F8 2FF COM2 300 377 Not used 378 37F Printer port 380 3AF Not used 3B0 3BF Monochrome and printer 3C0 3CF Not used 3D0 3DF Color graphics 3E0 3EF Not used 3F0 3F7 5 1 4 inch diskette drive 3F8 3FF COM1 ...

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