ICP DAS USA I-7088 User manual

I-7088 User Manual, Rev: A1.0 1

I-7088

User Manual

Warranty

All products manufactured by ICP DAS are warranted against

defective materials for a period of one year from the date of

delivery to the original purchaser.

Warning

ICP DAS assume no liability for damages consequent to the

use of this product. ICP DAS reserves the right to change this

manual at any time without notice. The information furnished by

ICP DAS is believed to be accurate and reliable. However, no

responsibility is assumed by ICP DAS for its use, nor for any

infringements of patents or other rights of third parties resulting

from its use.

Trademark

Names are used for identification purposes only and may be

registered trademarks of their respective companies.

Your Powerful Tools

Create New Ideas

Create New Applications

I-7000 New Features

1. Internal Self Tuner

2. Multiple Baud Rates

3. Multiple Data Formats

4. Internal Dual WatchDog

5. True Distributed Control

6. High Speed & High

Density I/O

I-7088 User Manual, Rev: A1.0

Table of Contents

Introduction.............................................................4

1.1.

Pin Assignment...................................................6

1.2.

Specifications......................................................7

1.3.

Block Diagram.....................................................8

1.4.

Application Wiring ...............................................9

1.5.

Quick Start ........................................................10

1.6.

Default Setting...................................................11

1.7.

Configuration Tables.........................................11

DCON Protocol.....................................................12

Checksum Calculation...............................................13

2.1.

%AANNTTCCFF...............................................16

2.2.

#AA ...................................................................19

2.3.

#AAN.................................................................20

2.4.

$AA2 .................................................................21

2.5.

$AA3N...............................................................23

2.6.

$AA3N(Data).....................................................24

2.7.

$AA5 .................................................................25

2.8.

$AA5VV.............................................................27

2.9.

$AA6 .................................................................28

2.10.

$AA6N...............................................................29

2.11.

$AA6NN............................................................30

2.12.

$AA7N...............................................................31

2.13.

$AAB.................................................................33

2.14.

$AABR ..............................................................34

2.15.

$AACnD............................................................35

2.16.

$AACnD(Data)..................................................36

2.17.

$AACnF.............................................................37

2.18.

$AACnF(Data)...................................................39

2.19.

$AACnM............................................................41

2.20.

$AACnMS .........................................................43

2.21.

$AACnP ............................................................45

2.22.

$AACnP(Data) ..................................................47

2.23.

$AACnT.............................................................49

2.24.

$AACnTS..........................................................51

2.25.

$AACnN............................................................53

2.26.

$AACnNS..........................................................55

2.27.

$AAF.................................................................56

I-7088 User Manual, Rev: A1.0 3

2.28.

$AAI ..................................................................57

2.29.

$AAM ................................................................58

2.30.

$AAR.................................................................59

2.31.

$AAW................................................................60

2.32.

$AAYS...............................................................61

2.33.

@AADODD.......................................................62

2.34.

@AADI..............................................................64

2.35.

@AAGN ............................................................66

2.36.

@AAPN(Data)...................................................67

2.37.

~AAD.................................................................68

2.38.

~AADVV............................................................70

2.39.

~AAO(Name) ....................................................72

2.40.

~AARD..............................................................73

2.41.

~AARDTT..........................................................74

2.42.

~**.....................................................................75

2.43.

~AA0.................................................................76

2.44.

~AA1.................................................................78

2.45.

~AA2.................................................................80

2.46.

~AA3ETT ..........................................................82

2.47.

~AAI..................................................................84

2.48.

~AATnn.............................................................86

Operations Principle & Application Notes.............88

3.1

INIT* _pin Operation Principle ..........................88

3.2

PWM Operation Principle..................................89

Appendix...............................................................91

A.1 INIT Mode............................................................91

A.2 Dual Watchdog Operation...................................93

A.3 Frame Ground.....................................................94

A.4 Node Information Area ........................................96

A.5 Reset Status........................................................97

I-7088 User Manual, Rev: A1.0

1.Introduction

The I-7088 has 8 PWM output channels and 8 counter inputs

and can be used to develop powerful and cost effective analog

control systems. PWM (Pulse width modulation) is a powerful

technique for controlling analog circuits that uses digital outputs

to generate a waveform with variant Duty Cycle (The fraction of

time that a system is in an "active" state) and frequency to control

analog circuits and can be used to control the position/speed of

motors, dim the brightness of lamps, control the speed of fans, etc.

The I-7088 will also automatically save the counter value to

EEPROM if the power supply is interrupted or lost. Refer to

Section 1.7 for details.

Features

Automatic hardware generation of PWM outputs without

software intervention

1Hz ~ 500KHz PWM output frequency with 0.1%~99.9%

duty cycle (Refer to Section 3.2)

Software and hardware trigger mode for PWM output

Individual and synchronous PWM output.

Using software trigger mode, you can set the configuration for

all PWM channels then trigger them individually or all of

them at the same time.

Burst mode PWM operation for standby

DI channel can be configured as either a simple digital input

channel or a hardware trigger source for the PWM output.

Software Trigger

PWM (Continuous Mode)

I-7088

MCU

DI / Hardware Trigger

PWM (Burst Mode)

I-7088 User Manual, Rev: A1.0 5

Applications

Controlling the position/speed of motors

Dimming the brightness of lamps

Controlling the speed of fans

More Information

Refer to chapter 1 of the “I-7000 Bus Converter User

Manual” for more information regarding the following:

1.1 I-7000 Overview

1.2 I-7000 Related Documentation

1.3 I-7000 Common Features

1.4 I-7000 System Network Configuration

1.5 I-7000 Dimensions

I-7088 User Manual, Rev: A1.0

1.1.Pin Assignments

I-7088 User Manual, Rev: A1.0 7

1.2.Specifications

PWM Output

Channels 8

Type TTL, Isolated

Max. Frequency 500KHz

Duty Cycle 0.1%~99.9%

PWM Mode Burst mode,

Continuous mode

Burst Mode Counter 1~65535 counts

Trigger Start Hardware or

Software

ESD Protection

4 kV Contact for each

terminal and 8 kV Air

for random point

Isolation 2500 VDC

Digital Input

Channels 8

Type Sink, Isolated

ON Voltage Level +2.4V~+5V

OFF Voltage Level +1V Max.

Max. Frequency 1MHz

Max. Counts 32-bits

(4,294,967,295)

Built-in Virtual Battery Backup for Counter Value Yes

ESD Protection 4 kV Contact fo

r each

terminal and 8 kV Air

for random point

Isolation 2500 V

Interface

Interface RS-485

Format N, 8, 1

Baud Rate 1200 ~ 115200bps

LED Display

1 LED as Power/Communication Indicator

Dimension

72mm x 122mm x 35mm (W x L x H)

Power

Input Voltage Range 10 ~ 30 V

Power Consumption 2.4 W (max.)

Power Reverse Polarity Protection Yes

+/- 4 kV ESD , +/- 4 kV EFT and +/- 3 kV Surge

Protection Yes

I-7088 User Manual, Rev: A1.0

Environment

Operating Temperature -25 ~ 75°C

Storage Temperature -40 ~ 85°C

Humidity 5 ~ 95%, non-condensing

1.3.Block Diagram

I-7088 User Manual, Rev: A1.0 9

1.4.Application Wiring

1.4.1. PWM Wiring Connection

1.4.2. DI/Counter Wiring Connection

I-7088 User Manual, Rev: A1.0

1.5.Quick Start

Refer to http://www.icpdas.com/download/7000/manual.htm

and use the “DCON Utility” to control the module. Otherwise,

use “DCON Utility -> Terminal -> Command Line” and follow

the commands shown below.

DI Status and Counter

1. Type @01DI[Enter] Receive => !01xx01

2. Type $01500[Enter] Receive => !01

3. Type @01P200000000[Enter] Receive => !01

4. Type $0132FFFFFFFF[Enter] Receive => !01

5. Type $0162[Enter] Receive => !01

6. Type #012[Enter] Receive => >00000000

7. Type $01504[Enter] Receive => !01

8. Type #012[Enter] Receive => >xxxxxxxx

Step 1: Read the DI status channel 0 = 1, channel 1 =0, etc.

Step 2: Disable the DI counter of channel 2

Step 3: Set the DI preset counter value (00000000) of channel

Step 4: Set the DI max. counter value (FFFFFFFF) of channel

Step 5: Reset the DI counter of channel 2

Step 6: Read the DI counter value (00000000) of channel 2

Step 7: Enable the DI counter of channel 2

Step 8: Read the DI counter value (xxxxxxxx) of channel 2

PWM Output

1. Type $01C0F100000[Enter] Receive => !01100000

2. Type $01C0D50.0[Enter] Receive => !0150.0

3. Type $01C0M1[Enter] Receive => !01

4. Type @01DO01[Enter] Receive => !01

Step 1: Set the frequency of PWM channel 0 to 100KHz

Step 2: Set the duty cycle of PWM channel 0 to 50.0%

Step 3: Set PWM channel 0 to continuous mode

Step 4: Start the output of PWM channel 0

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