SuperLogics ADC-1R2 User Manual

ADC-1R2

I/O Module

Digital I/O

Analog I/O

SuperLogics

SuperLogics Inc. Phone [phone]
300 Third Avenue Fax [phone]
Waltham, MA 02451 Tech E-Mail [e-mail]

http://www.superlogics.com

Table of Contents

Introduction

Features .........................................................................................3

Quick Start ....................................................................................4

Communications

RS-232 Packet Information ...........................................................6

Commands and Responses

Command and Response Table ....................................................7

Command and Response Examples ............................................8

Analog Control Nibble ....................................................................9

Module Configuration

EEPROM Map .............................................................................10

EEPROM Map .............................................................................11

Sampling rates

Analog and digital ........................................................................12

Modes of Operation

Polled Mode .................................................................................12

Asynchronous Update Mode .......................................................12

Continuous stream Mode .............................................................13

Continuous stream Mode Configuration EEPROM Map ..............14

Continuous stream Mode Example ..............................................15

Digital I/O Technical Information

Digital I/O Characteristics ............................................................16

Digital I/O Port Configuration Example ........................................16

PWM Characteristics ...................................................................17

PWM Commands .........................................................................17

Analog I/O Technical Information

Analog I/O Characteristics ...........................................................18

Voltage References .....................................................................18

Analog Voltage Sampling ............................................................18

Analog Conversion ......................................................................19

Analog Offset Calibration .............................................................19

Analog Current Sampling ............................................................20

Analog Current Conversion .........................................................20

Digital & Analog I/O Port Specifications

Digital & Analog pin outs ..............................................................21

Module Specifications

PCB Illustrations ..........................................................................22

Dip switch and jumper settings ....................................................22

ADC-1R2 Series Module Specifications .......................................23

232 cabling and specifications .....................................................23

Peripherals

Analog Connection Board ...........................................................24

Signal Conditioner Board ............................................................24

DB15/DB25 Terminal Strip Board ...............................................24

Digital Interface Board ................................................................24

Introduction

Welcome to the SuperLogics ADC-1R2 Series of I/O modules. These modules
using RS-232 communications are available in different configurations dependent on your
needs and applications. In addition they are offered in an enclosure, or open allowing you
the end user complete flexibility when determining the parameters for your project.

In addition SuperLogics offers a full line of peripheral attachment boards for
analog signal conditioning and digital I/O interface. These boards conveniently plug into
the main unit for ease of installation. See page 24.

Configurations for 232M200 models with enclosure are:

ADC-1R2-DIO 16 digital I/O
ADC-1R2 16 digital I/O and 8 channels A/D conversion
ADC-1R2-AOT 16 digital I/O and 8 channels A/D conversion
and 2 channels D/A conversion

I/O Module features:

MPU: Microchip PIC16C65B
EEPROM: Microchip 25C040
MPU Clock: 14.7456 Mhz
Interface: RS-232 (single ended)
Baud: 9600, 19200, 57600, 115200 (DIP switch selectable)
LED: Bicolor diagnostic LED
Watchdog: MPU has built-in watchdog timer
POR: MPU contains timed Power On Reset circuitry
Brownout: MPU brownout detection ciruictry built-in
Temperature: 0° to 70°C (32° to 158°F) Commercial Temperature Range

-40° to 85°C (40° to 185°F) Industrial Temperature Range
PCB: FR4
Power: 7.5Vdc to 15.0 Vdc (approx. 50 ma nominal power)
Peripherals See the plug in peripheral section on page 24.

ADC-1R2 Series Features

• 16 Digital I/O lines

• 8 12 bit Analog Inputs

• 2 12 bit Analog Outputs

• PWM Output

• 32 bit Pulse Counter 1 Mhz

RS-232
Full duplex

50’ max.

ADC-1R2

12 bit analog

acquisition

digital I/O lines

Quick Start Instructions

You need the following:

• EZTerminal program available free on our website http://www.SuperLogics.com

• An open COMPORT on your PC

• Power supply PS9J (9VDC 400 ma unregulated)

• A cable to connect your PC (C9F9M-6 6 foot serial cable)

Make these DIP switch settings for 115,200 baud
SW1: ON
SW2: ON (These are factory default settings, see page 21)

Launch the EZTerminal program

1. Double click the icon in whatever area you have put the program.

2. Under “Settings” then choose Comport and select your RS-232 port, 115,200 Baud
Rate, 8 Data Bits, NO PARITY, and 1 Stop Bits.

3. Under “Settings” now choose “Terminal Settings”, and check the “Append LF to
incoming CR” box, and “Local echo typed characters” check box.

4. You may change the color of the transmitted and received characters by going under
“Settings” and selecting “Colors” then “Transmit” or “Receive” and pick the color of
your choice.

Step 1

Steps 2 & 3

Your First Command
Now that you have a EZTerminal session running, your ready to power up the ADC-1R2
Series I/O Module. After powering up your ADC-1R2 Series Module, EZTerminal will

receive a welcome message from the unit indicating you are ready to provide your first
command.

RS-232 Firmware Version 3.1 Command:

• Typethe letter V and the Enter Key

• You should see V30 on the screen

• NOTE: Make sure to type CAPITAL V, not lowercase v!

After your first command, see Commands and Responses section for more commands.

Screenshots and setup instructions performed running EZTerminal on a PC installed with
Microsoft® Windows® XP Operating System.

Step 3

Step 4

Step 4

Step 2

Communications

The SuperLogics ADC-1R2 Series I/O Modules support RS-232 communications interface
using simple ASCII commands. A carriage return (decimal code 13 or Hex code 0x0D)
marks the end of each command. Line feeds (decimal code 10 or Hex code 0x0A) are
ignored.

RS-232 Interface:

• RS-232 operates Full Duplex

• RS-232 modules can also enter Continuous Stream Mode whereby the module is

configured via EEPROM settings to continuously send data to output its current
Digital, Counter or Analog readings.

RS-232 Command Format

NOTE

• All numeric data is represent as ASCII Hexadecimal integers (values x/y in the

Command and Response table)

• If a module receives an illegal or improperly formatted command, Error Response is

sent.

• All ASCII characters are CASE SENSITIVE (use all capital letters!)

RS-232 Command Format

CR

carriage return

13 (0x0D hex)

Command/Response

ASCII

Commands and Responses v3.0 Firmware

Command

Sent by Host

Response

Sent by I/O Module

Description

V Vxy Firmware version x.y

I Ixxyy Input digital port status

xx = PORT1
yy = PORT2

Also returns current output port status

Oxxyy O Output digital port:

xx = PORT1
yy = PORT2)

Txxyy T Set digital direction:

xx = PORT1
yy = PORT2
bit set(1) = Input, bit clear(0) = Output

G Gxxyy Get current digital direction:

xx = PORT1
yy = PORT2
bit set(1) = Input, bit clear(0) = Output

N Nxxxxxxxx Get Pulse Counter

(xxxxxxxx 32 bit counter value)

M M Clear Pulse Counter

Qy Qyxxx Bipolar sample analog (y control nibble,

xxx analog value)

Uy Uyxxx Unipolar sample analog (y control niblle,

xxx analog value)

Lyxxx L D/A output (y channel setting 0 or 1,

xxx 12 bit D/A output)

K Kxx Get receive error count (xx current count)

J J Clear receive error count

Pxxyyy P PWM (xx = PWM frequency, yyy = PWM duty)

Wyyxx W Write EEPROM (yy address, xx value)

Ryy Rxx Read EEPROM (yy address in command, xx

value in reponse)

S S Start continuous stream mode

H H Halt continuous stream mode

Z Z Reset CPU

X Command error response

Commands and Responses

The following table illustrates actual command and response data for an RS-232
interface.

NOTE:

• All numeric data is represent as ASCII Hexadecimal integers.

• The symbol ↵ equates to a carriage return (decimal 13, hex 0x0D).

Command

Sent by Host

Response

Sent by I/O

Description

V↵ V30↵

Module Firmware version 3.0

I↵ IFF00↵

Input digital port [PORT1 bits0-7 ON]
[PORT2 bits0-7 OFF]
Note: this command also returns the current
digital output

O007F↵ O↵

Output digital port [PORT1 bits 0-7 OFF]
[PORT2 bit 7 OFF, bits 0-6 ON]

TFF80↵ T↵

Set digital direction [PORT1 bits 0-7 INPUT]
[PORT2 bit 7 INPUT, bits 0-6 OUTPUT]

G↵ GFF80↵

Get current digital direction [PORT1 bits 0-7
INPUT][PORT2 bit 7 INPUT, bits 0-6 OUTPUT]

N↵ N0000000F↵

Get pulse counter: Current count = 15

M↵ M↵

Clear pusle counter: Current count = 0

Q1↵ Q100F↵

Bipolar analog control nibble = 0x1
Analog reading = 0x00F

U8↵ U840F↵

Unipolar analog control nibble = 0x8
Analog reading = 0x40F

L1800↵ L↵

D to A Output Channel 1 = 2.5 Volts

K↵ K00↵

Current receive errors = 0

J↵ J↵

Clear receive error count: Current receive errors

P4801F↵ P↵

PWM freq = 50499 Hz, PWM duty = 10.6%

W0410↵ W↵

Write EEPROM Address 0x04 with value 0x10

R04↵ R10↵

Read EEPROM Adress 0x04 (value is 0x10)

S↵ S↵

IFF00↵
Q100F↵
IFF00↵
Q100F↵

START continuous stream mode
See Modes of Operation section

This example illustrates continuous stream mode
configured to continuously update with Input
Digital Port command and Query Analog
command with control 0x1. The module

continues until a command H↵is received.

H↵ H↵

HALT continuous stream mode

Z↵ Z↵

Reset CPU (forces a watchdog timeout)