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Acrosser Technology AR-B2104 Manual Download Page 6

A C R O S S E R
T E C H N O L O G Y

6

CHAPTER 2 INSTALLATlON

Before using your AR-B2104, you must set the base address of

the I/O port. This chapter provides information on how to set the

base address switch. Pin assignments of the I/O connector is

also provided. Figure 1-2 shows the switch and component lo-

cations of the AR-B2104 card.

2.1 BASE ADDRESS SETTING

There is one DIP switch (SW1) located on the AR-B2104 card. It

is used to select the base port address of the AR-B2104. The

operation of AR-B2104 is controlled through the output ports.

Three consecutive I/O ports are used by the AR-B2104. The

base address of these output ports are selected by using base

address switch SW1. The AR-B2104 is factory-configured for a

base address of 3E0 Hex. lf this base address is already occu-

pied, you will need to change the base address switch setting. lt

is essential that each peripheral device, such as an AR-B2104,

be assigned a unique base address within the range of 100 to

3FC Hex. and that the address is on a 4-byte boundary. Use

Table 2-1 (next page) as a guide to select an unoccupied ad-

dress.

Summary of Contents for AR-B2104

Page 1: ...rwise without the prior written consent of Acrosser Technol ogy Acrosser IBM PC XT AT are registered trademarks DISCLAIMER Acrosser Technology makes no representations or warranties with respect to the contents hereof and specifically disclaims any implied warranties of merchantability or fitness for any par ticular purpose Further more Acrosser Technology reserves the right to revise this publica...

Page 2: ...re you may be reached during the day 2 A description of the system configuration and or software at the time of malfunction 3 A brief description of the symptoms TECHNICAL SUPPORT AND USER COMMENTS User comments are always welcome as they assist us in im proving the usefulness of our products and the understanding of our publications they form a very important part of the input used for product en...

Page 3: ...mputer components Although areas with humid cli mates are much less prone to static build up it is always best to safeguard against accidents which may result in expensive re pairs The following measures should generally be sufficient to protect your equipment from static discharge 1 Touch a grounded metal object to discharge the static elec tricity in your body or ideally wear a grounded wrist st...

Page 4: ... be used in various applications including relay drivers hammer drivers lamp drivers display drivers LED and gas discharge line drivers and logic buffers The AR B2104 is configured as three independent 8 bit ports Controlling the outputs is as simple as writing an 8 bit word to either of the ports The output status can be read back by read ing the same address for verification A power up reset sch...

Page 5: ...driving capacity 24 LED status indicators D type 37 pin connector Easy to use 1 3 ORDERING INFORMATION The following lists and describes part numbers for the AR B2104 cards and its accessories Part Number Description AR B2104 24 channels photo couple isolated open collector output card with user s m AR B9007 37 pin screw terminal board for AR B2 with 0 6m flat cable ...

Page 6: ...ase port address of the AR B2104 The operation of AR B2104 is controlled through the output ports Three consecutive I O ports are used by the AR B2104 The base address of these output ports are selected by using base address switch SW1 The AR B2104 is factory configured for a base address of 3E0 Hex lf this base address is already occu pied you will need to change the base address switch setting l...

Page 7: ...2E8 2EF Serial Port 4 COM4 2F8 2FF Serial Port 2 COM2 300 31F Prototype Card Streaming Type Adapter 378 37F Parallel Printer Port 2 LTP 2 380 38F SDLC Bisynchronous 2 3A0 3AF Bisynchronous 1 3B0 3BF Monochrome Display and Parallel Printer Port 1 3C0 3CF EGA VGA Adapter 3D0 3DF Color Graphics Monitor Adapter 3E8 3EF Serial Port 3 COM3 3F0 3F7 Diskette Controller 3F8 3FF Serial Port 1 COM1 Table 2 1...

Page 8: ...ch 4 A6 40 64 Switch 3 A7 80 128 Switch 2 A8 100 256 Switch 1 A9 200 512 BASE ADDRESS 200 A9 100 A8 80 A7 40 A6 20 A5 10 A4 8 A3 4 A2 Hex or 512 A9 256 A8 128 A7 64 A6 32 A5 16 A4 8 A3 4 A2 Dec A9 A2 1 If switch is ON A9 A2 0 If switch is OFF Setting the switch to the ON position indicates logical 1 and setting the switch to the OFF poition indicates logical 0 The following switch next page settin...

Page 9: ... Y 9 ON 1 2 3 4 5 6 7 8 SW1 2 2 MAIN I O CONNECTOR The AR B2104 is equipped with one 37 pin D type male con nector to control open collector output This connector and its signal conductor functions are described in the following table ...

Page 10: ... 25 Dcom 7 CH7 26 Dcom 8 CH8 27 Dcom 9 CH9 28 Ground 10 CH10 29 Ground 11 CH11 30 Ground 12 CH12 31 Ground 13 CH13 32 Ground 14 CH14 33 Ground 15 CH15 34 Ground 16 CH16 35 Ground 17 CH17 36 Ground Ground Common ground external power ground Dcom Common cathode of clamp diodes Must be con nected to external power V when controlling inductive ...

Page 11: ...r cord from the electrical outlet Make a note concerning location of all the cables and cords attached to the rear of the system unit and then disconnect 4 Remove the system unit cover refer to your computer user s guide if necessary 5 Choose an available option slot Remove the screw that se cures the expansion slot cover to system unit 6 Hold the AR B2104 in one hand With the other hand touch any...

Page 12: ...nstallation procedure The three registers of the AR B2104 are located as follows ADDRESS OUTPUT REGISTER INPUT STAT BASE 0 Port 1 write Port 1 rea BASE 1 Port 2 write Port 2 rea BASE 2 Port 3 write Port 3 rea BASE 3 Not used Not used Note that all ports are 8 bits one byte wide and require byte oriented write operations rather than word operations AII out puts in a port are updated simultaneously ...

Page 13: ...indicator wiIl light up to indicate an active input 3 2 PROGRAMMING No driver is supplied with the AR B2104 since the program is very simple and can be accomplished most efficiently using di rect I O instructions in what ever application language is used Basic C Assembly Pascal etc For example assume you wish to turn on channel 7 Also assume the AR B2104 board has been set to base address 992 3E0 ...

Page 14: ...REM Turns channel 1 ON 1020 OUT BASE_PORT 1 2 REM Turns channel 10 ON 1030 OUT BASE_PORT 2 H20 REM Turns channel 22 ON To control the desired outputs but make no effect to other out puts write as follows 2000 BASE_PORT H3E0 REM Base I O address 2010 PORT1 INP BASE_POPT OR 1 REM Read back port 1 staus and set bit of channel 1 2020 OUT BASE_PORT PORT1 REM Turns channel 1 ON 2030 PORT2 INP BASE_POPT ...

Page 15: ...A C R O S S E R T E C H N O L O G Y 15 2060 OUT BASE_PORT 2 PORT3 REM ...

Page 16: ...connect the Dcom signal with the external power V for bypassing the reverse surge generated by inductive loads Inductive Load Resistive Load V V Open V V Channel nn Channel nn 4 2 MAINTENANCE AII of the opto isolators and open collectors on AR B2104 are in sockets If they are damaged by external shorts transients overload etc they are serviceable by simply unpluging and re placing the damged ones ...

Page 17: ... 17 CHANNEL LED Photo Couple Open Collector Driver 1 LED1 U13 U19 2 LED2 3 LED3 4 LED4 5 LED5 U14 6 LED6 7 LED7 U20 8 LED8 9 LED9 U15 10 LED10 11 LED11 12 LED12 13 LED13 U16 U21 14 LED14 15 LED15 16 LED16 17 LED17 U17 18 LED18 Table 4 1 ...

Page 18: ...ge 50V DC Rated Collector Current 500 mA Inductive Load Protection Output clamp diodes for each chan nel Turn On Time 20 us maximum Turn Off Time 20 us maximum Bounce Time None Active Indicators 24 LED indicators I O Port Address Switch selectable from 000H to 3FCH with increments of 4 Power Consumption 5V DC 250 mA maximum Dimensions 175 mm W 108 mm H Weight 180g ...

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