Access IOD-144 user manual Digital INPUT/OUTPUT Card

Page 19

DIGITAL INPUT/OUTPUT CARD

IOD-144

USER MANUAL

begin

{of each sensor}

 

 

 

tempA := port[BASEADDR];

{this procedure loads tempA and tempB} {with cor-

 

responding inputs from the Card}

 

tempB := port[BASEADDR+1];

 

for i := 0 to 7 do begin

 

 

if ((tempA shr i) AND ON) > 0 then {this tests to see if bit #i is ON and sets the}

ary[i]:=ON

{corresponding array element to ON if it is}

else

{else, the array element is set to OFF}

ary[i]:=OFF

 

end;

for i:=0 to 7 do begin

if ((tempB shr i) AND ON) > 0 then

ary[i+8]:=ON

{in order to get Port B into array, elements}

else

{8 thru 15, we add 8 to the bit numbers in }

ary[i+8]:=OFF;

{in the assignment}

end;

 

end;{procedure read_sensors}

 

function get_status:integer;

 

var temp:integer;

 

begin

{this sets status to the lower nybble of Port}

temp:=port[BASEADDR+2];

{;the half defined by Initialize to be input for}

get_status:=temp AND $0F;

{four arming switches}

end; {function get_arming_status

procedure ALARM

 

var temp:longint;

 

begin

 

sound(2000);

{this starts the computer's speaker which }

temp:=0

{acts as siren for the alarm}

 

port[BASEADDR+2]:=$F;

{this sets Port C's lower nybble bits to ON}

repeat

 

arming_stations:=get_status

{this activates four alarm outputs and then}

if arming_stations <> old_arming_stations then {toggles Port C Hi's LSB which} temp:=2000000000; {disarmed}{might be used with an external siren}

port[BASEADDR+2]:=port[BASEADDR+2] XOR $10; temp:=temp+1;

until temp>=2000000000; nosound;

end; {procedure ALARM}

begin initialize_board; clrscr; gotoxy(5,5);

6-6

Page 18 Page 20
Image 19
Page 18 Page 20
Contents Digital INPUT/OUTPUT Card Model IOD-144 Digital INPUT/OUTPUT Card Table of Contents Installing the Card Functional Description FeaturesApplications IOD-144 Block Diagram Option Selection Option Selection MAP Standard Address Assignments for PC XT Computers Address SelectionOFF Software SETUP.EXEInPortb Windows Utility DriversDigital INPUT/OUTPUT Card Developing Your OWN Software ProgrammingPort Address Selection Table Digital INPUT/OUTPUT Card Digital INPUT/OUTPUT Card =INPBASEADDR+2/16 Programming ExampleBASEADDR=&H2D0 OUT BASEADDR+3,&H98 =INPBASEADDRSample Programs Digital INPUT/OUTPUT Card Digital INPUT/OUTPUT Card Alarm TURBO-C Program Alarm Digital INPUT/OUTPUT Card =-1 Flag used to signal alarm is Sharing Interrupts on the ISA BUS Standard for accessing the IRQ line as followsConnector PIN Assignments Features SpecificationsAppendix a WarrantyPPI Data Sheets

IOD-144 specifications

Access IOD-144 is a cutting-edge device that has garnered significant attention within the field of connectivity solutions. Designed primarily for industrial applications, the IOD-144 is an Internet of Things (IoT) gateway that facilitates seamless communication between devices and applications in a robust and reliable manner. This device is particularly suited for environments that require real-time data processing and monitoring, making it an ideal choice for sectors like manufacturing, transportation, and smart cities.

One of the standout features of the Access IOD-144 is its versatility in supporting multiple connectivity options. It is equipped to handle various protocols, including Ethernet, Wi-Fi, Bluetooth, and cellular networks. This broad support ensures that users can choose the most suitable connectivity method based on their specific requirements and existing infrastructure. The device's ability to adapt to different network environments enhances its utility in diverse operational settings.

In terms of processing power, the IOD-144 prides itself on having a powerful microprocessor, allowing it to perform complex computations and data processing locally. This edge computing capability reduces latency by enabling real-time data analysis and decision-making without the need to constantly communicate with a cloud service. As a result, businesses benefit from faster response times and reduced bandwidth costs.

Moreover, the Access IOD-144 is designed with scalability in mind. It can support an extensive array of sensors and actuators, making it an ideal solution for organizations looking to expand their IoT ecosystems over time. The device can easily integrate with various third-party applications and platforms, ensuring compatibility and allowing for future growth.

Security is another key focus of the IOD-144. With built-in encryption protocols and secure authentication methods, the device helps to safeguard data transmitted across networks. This emphasis on security is crucial, particularly in industrial settings where data breaches can have severe consequences.

Additional features of the Access IOD-144 include user-friendly management software that simplifies deployment, monitoring, and maintenance of connected devices. The device also supports over-the-air firmware updates, ensuring that users can keep their systems up-to-date with the latest features and security enhancements.

In summary, the Access IOD-144 stands out due to its multifaceted connectivity options, powerful processing capabilities, scalability, robust security measures, and user-friendly management tools. These characteristics make it a leading choice for businesses looking to enhance their IoT capabilities while ensuring reliable performance in challenging environments.
Top Page Image Contents