Pepperl+Fuchs VB14N Manuale utente

VB14N

HOST MODE PROGRAMMING

FACTORY AUTOMATION

MANUAL

HOST MODE PROGRAMMING

iii

CONTENTS

1HOST MODE PROGRAMMING...................................................................1

2PROGRAMMING COMMANDS ...................................................................2

2.1 Connection To Device...................................................................................2

2.2 Disconnection From Device..........................................................................3

2.3 Self Disconnection........................................................................................4

3PROGRAMMING STRINGS.........................................................................7

3.1 Definitions.....................................................................................................7

3.2 How To Send Single Parameter To The Reader.........................................11

3.3 How To Get Single Parameter From The Reader.......................................13

3.4 How to access installer parameters............................................................15

3.5 Save And Restore Commands....................................................................16

3.6 Examples....................................................................................................19

4VB14N PARAMETERS LIST......................................................................22

4.1 Code Definition ...........................................................................................22

4.2 Operating Modes ........................................................................................34

4.3 Reading System Layout..............................................................................36

4.4 Device Network Setting...............................................................................37

4.5 Reading Parameters...................................................................................38

4.6 Data Communication Setting ......................................................................43

4.7 Digital I/O Setting........................................................................................67

4.8 System Information Section........................................................................71

4.9 LEDs And Keypad.......................................................................................72

4.10 Diagnostics .................................................................................................73

4.11 Statistics......................................................................................................81

4.12 User Information Section ............................................................................82

5APPENDIX..................................................................................................83

5.1 ID-NET™ Special Commands ....................................................................83

5.2 Control Rules Table....................................................................................84

5.3 Error Codes Table.......................................................................................87

5.4 ASCII Table.................................................................................................88

HOST MODE PROGRAMMING

1 HOST MODE PROGRAMMING

An alternative method of programming the VB14N laser scanners is by sending

programming strings.

These strings must be transmitted from the Host system to the device either on the

auxiliary RS232 serial interface or on the main RS232/RS485 serial interface. This is

called Host Mode Programming.

In order to send the programming strings, it is necessary to switch the reader into

Host Mode.

Warning: Geniusmust not be connected to the reader through the selected

interface before entering in Host Control Mode.

Serial Interfaces

The programming commands and strings must be sent to the reader at the

programmed baud rate of the selected interface (e.g. if the baud rate of the Auxiliary

interface is programmed at 9600 bps the command must be sent at 9600 bps).

The selected communication channel must be programmed as follows:

Data Bits: 8 Bits

Parity: None

Stop Bits: 1

Once the programming session has started on one of the interfaces, the other is

disabled until programming is over.

NOTE

This manual refers to software release DL2K4KST_004 or

later.

HOST MODE PROGRAMMING

2 PROGRAMMING COMMANDS

2.1 CONNECTION TO DEVICE

DESCRIPTION HOST COMMAND REPLY MESSAGE

Enter Host Mode <ESC> [ C <ESC> H <CR><LF>

After entering this command, the device responds with the first reply message and

then waits for the following command.

From now on device is in CONNECTED state. Normal data flow is inhibited until it

comes back to the IDLE state.

Enter Terminal Mode <ESC> ] B <ESC> R <CR><LF>

After entering this command, the device responds with the second reply message

and then waits for the following command in Terminal mode.

Enter Programming Mode <ESC> c M <B0H> ADDR <ESC> c <CR><LF>

ADDR is a character indicating address of the device in an ID-NET™ Master/Slave

reading system layout

ADDR = <30H> + <Device Address> where:

Device Address = 0: Standalone device or Master ID-NET™ device

Device Address = 1 to 31: Slave ID-NET™ device

This means:

ADDR = <30H>: Standalone device or Master ID-NET™ device

ADDR = <31H> to <4FH>: Slave ID-NET™ device

After entering this command, the device responds with the third reply message and

then waits for one or more programming strings as shown in Chapter 3 and 4.

HOST MODE PROGRAMMING

2.2 DISCONNECTION FROM DEVICE

DESCRIPTION HOST COMMAND REPLY MESSAGE

Exit Programming Mode <ESC> d M <B0H> ADDR <ESC> d <CR><LF>

Where ADDR is the address of the device in a ID-NET™ Master/Slave layout. This

message must always be transmitted to exit from programming mode.

Exit Terminal Mode <ESC> I A <space> <ESC> K <CR><LF>

This message must always be transmitted to exit from terminal mode.

Exit Host Mode <ESC> [ A <ESC> X <CR><LF>

This message must always be transmitted to end the programming session.

From now on device is in IDLE state. Communication channel may be used for

normal data flow.

HOST MODE PROGRAMMING

2.3 SELF DISCONNECTION

Specific situations exist so that the device is automatically disconnected from the

Host and its IDLE state is reached again.

Once connected, following message could be sent:

DESCRIPTION HOST REPLY DEVICE MESSAGE

Self Disconnection - <ESC> [ A

This message notifies a forced disconnection from the Host.

This message must always be managed by the Host program to check when the

device has gone back to the IDLE state.

Normally programming sequences do not involve this message except the occasions

listed below:

1. Inactivity Timeout Expiration

After the connection, no programming commands or programming strings are

sent to the device (approximately 2 minutes as default).

2. Application Software Restart

Particular commands may force a restart of the device like Data Storage

commands (refer to the Paragraph 3.5).

Self-Disconnection message is sent to notify that cases.

3. General Error Condition

After the connection to the device, unexpected errors are notified by means of

Self Disconnection message.

4. Protocol Error

When Host sends wrong messages like unexpected escape sequences.

DESCRIPTION HOST REPLY DEVICE MESSAGE

Self Disconnection <ESC> X <CR><LF> -

Host must confirm the disconnection event sending this message.

If not sent, after a timeout (about 300 ms as default) device goes back to the IDLE

state.

HOST MODE PROGRAMMING

Figure 1 - Connection to standalone device

HOST DEVICE

<ESC> [ C

(Enter Host Mode)

<ESC> ] B

(Enter Terminal Mode)

<ESC> c M <B0H> 0

(Enter Programming Mode)

HOST MODE PROGRAMMING

Figure 2 - Disconnection from standalone device

HOST DEVICE

<ESC> d M <B0H> 0

(Exit Programming Mode)

(Exit Terminal Mode)

<ESC> [

(Exit Host Mode)

HOST MODE PROGRAMMING

3 PROGRAMMING STRINGS

3.1 DEFINITIONS

Common definitions for each parameter are:

Path

The complete parameter path must have the following format:

/Folder1[#Depth1]/Folder2[#Depth2]/ … /FolderN[#DepthN]/Param[#DepthM]

Where:

FolderX: Folder Name

[#DepthX]: Folder or Parameter Depth (not necessary if equal to 1)

Param: Parameter Name

Shortcut (SHC)

The short description replacing the complete parameter path (that allows to

implement shorter programming string) must have the following format:

Shortcut [#Depth]

Where:

Shortcut: Short Parameter Description

[#Depth]: Folder or Parameter Depth (not necessary if equal to 1)

Depth (parameter depth)

Depth of the parameter indicates if it is made up of a vector of values or a single

value (e.g. Code Symbology parameter has depth > 1 since we have one Code

Symbology value for each Code slot allowed; Code Combination parameter has

depth =1).

Example:

Label: Code Symbology

Path: /Codes/Code#3/Type

Shortcut: 2#3

Allows selecting the code symbology requested for Code slot 3.

HOST MODE PROGRAMMING

Type (Parameter Type)

Parameter type is essential in order to decide the parameter VALUE format used in

the programming strings. Types are:

Type 0: Integer (Numeric)

Type 1: Enumeration

Type 2: String

Type 3: Binary String

Type 4: Floating Point

The other definitions change according to the parameter type

Integer (Type = 0)

Range

Minimum and maximum values allowed for the parameter.

Example: Reading Phase Timeout parameter (OPERATING MODES folder).

Path: /Operating/ONLTimeOut

Shortcut: 79

Type: 0

Label: Timeout (ms)

Range: 40 to 15.000

Default: 100

The sign can be omitted if the parameter value is not negative.

Enumeration (Type = 1)

Item List

List of the values allowed for the parameter (i.e. 0 = first entry of the list, 1 = second

entry of the list).

Example: Operating Mode parameter (OPERATING MODES folder).

Path: /Operating/Selection

Shortcut: 31

Type: 1

Label: Operating Mode Selection

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