Delta DFS150-485 Manuale utente

DFS150-485 2D Fixed Scanner User Guide

DFS150-485 2D Fixed Scanner

User Guide V1.0

Table of Contents

Chapter 1: Overview.............................................................. 1-1

Chapter 2: Interface .............................................................. 2-1

2.1 Input and Output........................................................................... 2-2

2.2 RS485 ............................................................................................ 2-4

2.2.1 Features ............................................................................... 2-4

2.3 LED & Beeper ............................................................................... 2-6

Chapter 3: Power On ............................................................. 3-1

Chapter 4: Operation Mode ................................................. 4-1

4.1 Master Private Mode..................................................................... 4-2

4.2 Master Modbus Mode (PLC Link) ................................................ 4-3

4.3 Slave Modbus Mode ..................................................................... 4-5

Chapter 5: Trigger .................................................................. 5-1

5.1 Continuous Trigger ...................................................................... 5-1

5.2 I/O Trigger...................................................................................... 5-1

5.3 Command Trigger ......................................................................... 5-2

Appendix ................................................................................... A-1

Continuous mode centering windows configuration ...................... A-3

Continuous mode reread delay ......................................................... A-4

Manual mode centering windows configuration.............................. A-5

Data Editing ........................................................................................ A-7

Manual mode centering windows configuration.............................. A-5

Data Editing ........................................................................................ A-7

Symbologies....................................................................................... A-8

Field of View ....................................................................................A-16

Working Range ................................................................................A-17

Modbus Exception Code.................................................................A-18

Chapter 1: Overview

DFS150-485 2D Fixed Scanner User Guide

1-1

Chapter 1

Overview

Delta Fixed Barcode Scanner is capable to read 1D and 2D barcode. The communication

interface is RS485 that supports Modbus and Private protocol. The Modbus mode supports

parameter setting and barcode transmission, and private mode supports barcode transmission

only.

Chapter 2: Interface

DFS150-485 2D Fixed Scanner User Guide

2-1

Chapter 2

Interface

DFS150-485 has a 9-wire cable, beeper and 4 status LEDs as user interfaces. The wire and LED

definitions are shown below.

Table 1. Cable wire definition

Color Function

Green FG

Black & White OUT0

Orange OUT1

Gray IN

White I/O COM

Yellow RS485-N

Red RS485-P

Brown DC 24V

Blue GND

Table 2. LED definition

LED Definition

PWR Power-On

OUT OUT0: Ready

IN Exposing

COMM RS485 action

Chapter 2: Interface

DFS150-485 2D Fixed Scanner User Guide

2-2

2.1 Input and Output

DFS150-485 has 1 isolated input and 2 isolated output, both of them share an isolated common

ground COM. The input is bi-direction, so that the COM can be connected to either ground or

power while output is not connected.

Output Circuit Diagram (NPN Only)

Figure 1. Output circuit diagram

Input Circuit Diagram (I/O COM connect to DC 24V)

Figure 2.Input circuit diagram (NPN input)

※This wiring diagram can only be used when OUT0/1 are not be used.

Chapter 2: Interface

DFS150-485 2D Fixed Scanner User Guide

2-3

Input Circuit Diagram (I/O COM connect to GND)

Figure 3. Input circuit diagram (NPN input)

Figure 4. Input circuit diagram (PNP input)

Chapter 2: Interface

DFS150-485 2D Fixed Scanner User Guide

2-4

2.2 RS485

RS485 is an asynchronous protocols, half duplex serial port, and the communication interface for

control and barcode transition. It supports Modbus and Private protocols, both will be described in

detail in chapter 4.

It supports the setting for baud rate, data bit length, parity type, and stop bit length. The setting will

be effective after the next reboot with sending a software reset command or the power on reset.

More details may be found in chapter 3. Flow control such as XON/OFF and RTS/CTS are not

supported. The features and default setting are shown below.

2.2.1 Features

Asynchronous transmissions and receptions.

Baud rates: 9,600bps to 115200bps.

Parity type: None, Even, Odd.

Data length: 7 or 8 bits data.

Stop bit length: 1 or 2 bits times.

Table 3. RS485 default setting

Item Default

Baud Rate 115200 bps

Data Bits 8 bits

Parity None

Stop Bits 1 bit

Chapter 2: Interface

DFS150-485 2D Fixed Scanner User Guide

2-5

RS485 Setting

Bit

Name

Reset

Access

Description

7 SBL 0 RW

Stop Bit Length

0: SHORT STOP BIT (1bit)

1: LONG STOP BIT (2bits)

6:5 PT 0 RW

Parity Type

0: NONE PARITY (None)

1: ODD PARITY (Odd)

2: EVEN PARITY (Even)

3: RESERVED (Invalid

value)

4:3 DBL 0 RW

Data Bit Length

0: 8bits

1: 7bits

2: Invalid value

3: Invalid value

2:0 BDR 0 RW

Baud Rate

0: 115200 bps

1: 57600 bps

2: 38400 bps

3: 19200 bps

4: 9600 bps

5: RESERVED (Invalid

value)

Chapter 2: Interface

DFS150-485 2D Fixed Scanner User Guide

2-6

2.3 LED & Beeper

Beeper makes a long beep during power up and short beep for successful barcode decoding. The

beeper can be switch on/off by setting the control register. When it is switched off, it will beep

during power up, but not during successful decoding.

There are four LEDs on DFS, LED_PWR, LED_OUT,LED_IN and LED_COMM. Their behavior

is described as below:

LED_PWR: It indicates power status, always on when connected to power.

LED_OUT: It set to represent the OUT0 to confirm whether the system is in the busy period,

decoding barcode.

LED_IN: It indicates whether the trigger is valid and acts when exposing.

LED_COMM: It represents DFS is in the start-up communication period after power on, and the

communication traffic of RS485 when it is acting.

Figure 5 shows the behavior of LEDs and beeper after power on.

Figure 5. Behavior of LEDs after power on

Table 4. Beeper Setting

Addr. Access Bit Symbol Description Min Max Default Unit

0x0926 RW [0] BEEP_EN

0: Disable

1: Enable

0 1 1(on) N/A

Chapter 3: Power On

DFS150-485 2D Fixed Scanner User Guide

3-1

Chapter 3

Power On

DFS150-485 operation in three-modes, Master Private, Master Modbus and Slave Modbus

modes. All these modes are valid after a start-up communication period followed the power on

period T_(Power_on). During the start-up communication period T_(startup_comm), operation

mode is fixed in Slave Modbus ASCII mode, all triggers are invalid. This period can be extended

by sending arbitrary valid command to the scanner, and user may communicate with scanner in

the extension communication period as long as they want until reboot or send software reset

command.

If no command is received within T_(startup_comm), ten seconds, it will switch to the scan mode

set by user previously. The default scan mode is Slave Modbus ASCII mode. After set all

parameters, DFS150-485 provides two ways to update the setting: reboot or send software reset

command. The behaviors after T_(startup_comm) are shown below.

Figure 6. Start-up communication to Scan mode

Figure 7. Extension communication

Chapter 4: Operation Mode

DFS150-485 2D Fixed Scanner User Guide

4-1

Chapter 4

Operation Mode

DFS150-485 provides user with three operating modes and two data types: Master Private,

Master Modbus and Slave Modbus modes, and ASCII or RTU. The operation mode and data type

can be set by the control register as shown in Scan Mode, Data type and Trigger Source

Table 7. Scan mode, Data type and Trigger Source Setting.

Master Private Mode provides user to get barcode without any protocol, it will send data to Slave

devices automatically after successful decoding. It triggered by I/O or continuous mode.

Master Modbus Mode is used with PLC mostly. It provides user to receive barcode by I/O trigger

or continuous trigger with Modbus protocol.

Slave Modbus Mode, the parameter can only be set in this mode, supports parameter setting and

bar code transmission. The function code includes 0x03 - Read Holding Registers, 0x06 -

Preset Single Register, and 0x10 - Preset Multiple Registers. User can generate triggers through

I/O, command, or using continuous trigger mode to get the barcode with Modbus protocol.

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