ICS 8099 Manuale utente

ICS

ELECTRONICS

ICS

a division of Systems West Inc.

MODEL 8099

Ethernet Modbus Interface

Instruction Manual

8099

MODEL 8099

Ethernet Modbus Interface

Instruction Manual

7034 Commerce Circle, Pleasanton, CA 94588

Phone 925.416.1000, Fax 925.416.0105 Publication Number 120192

Web Site http://www.icselect.com November 2011 Edition Rev 2

ICS

ELECTRONICS

ICS

division of Systems West Inc.

LIMITED WARRANTY

Within 12 months of delivery, ICS Electronics will repair or replace this product, at

our option, if any part is found to be defective in materials or workmanship (labor is

included). Return this product to ICS Electronics, or other designated repair station,

freight prepaid, for prompt repair or replacement. Contact ICS for a return material

authorization (RMA) number prior to returning the product for repair.

CERTIFICATION

ICS Electronics Corporation certiﬁes that this product was carefully inspected and

tested at the factory prior to shipment and was found to meet all requirements of

the speciﬁcation under which it was furnished.

EMI/RFI WARNING

This equipment generates, uses, and can radiate radio frequency energy and, if not

installed and used in accordance with the instruction manual, may cause interference

to radio communications. The Model 8099 has been tested and found to comply

with the limits for a Class A computing device pursuant to Subpart J of Part 15 of

the FCC Rules and to comply with the EEC Standards EEC Standards EN 61000-6-

4:2001, EN 61000-6-2:2001, EN 55024:2003, and EN 55022:2003, which are designed

to provide reasonable protection against such interference when operated in a com-

mercial environment. Operation of this equipment in a residential area is likely to

cause interference, in which case the user, at his own expense, will be required to

take whatever measures may be required to correct the interference.

Certiﬁcate of Conformance reproduced in Figure 1-2.

TRADEMARKS

The following trademarks referred to in this manual are the property of the fol-

lowing companies:

VEE is a trademark of Agilent, Palo Alto, CA

LabView is a Trademark of National istruments, Austin, TX

ICS and GPIB AnyWhere are trademarks of ICS Electronics, Pleasanton, CA

General Information

Product Description, Model Numbers, VXI-11 Conformance, Ethernet

Interface, Digital Interface, Conﬁgurable Functions and Default Settings,

Indicators, Physical Speciﬁcations, Certiﬁcations and Accessories.

Installation

Shipment Veriﬁcation, Installation Guide, Conﬁguration Instructions,

Serial Connections, Internal Jumper Settings and Rack Mounting

Instructions.

Operation

Operation Description, Status Reporting Structure, IEEE-488.2

and SCPI Conformance, SCPI Commands, Modbus Commands,

Programming Guidelines, VXI-11 Keyboard, Error Logger Utility

and OEM Documentation.

Theory of Operation

Block Diagram Description

Maintenance, Troubleshooting and Repair

Maintenance, Troubleshooting Guide, Selftest Error Codes, Reverting

to Factory Settings, Updating Firmware, and Repair Information

Appendices

A1 IEEE-488.1, IEEE-488.2 and SCPI Descriptions

A2 VXI-11 Concept

A3 VXI-11 RPCgen Information

A4 ICS RPC Conﬁguration Commands

Index

Contents

1-1

General Information

1.1 INTRODUCTION

This section provides a description and speciﬁcations for ICS's Model 8099

Ethernet to Modbus Interface. All speciﬁcations and functional descriptions

apply to all units unless otherwise stated.

1.2 DESCRIPTION

The Model 8099 Ethernet to Modbus Interface is a VXI-11.3 compliant in-

terface that provides RS-232 and RS-422/RS485 serial interfaces to control

Modbus devices using the Modbus RTU protocol. It lets the user send simple

commands with ASCII values over a 10/100 Mbs TCP/IP network to control

and query Modbus slave devices. The 8099 converts these simple commands

into the Modbus RTU packet protocol and adds the CRC checksum to make

a complete Modbus RTU packet. The Modbus RTU packets are sent serially

over a RS-232 link to a single Modbus slave device or over a RS-485 network

to one or multiple Modbus devices. Responses are checked and valid response

data from a query is returned when the 8099 is next addressed to talk.

The 8099 contains a number of advanced features that increase its ﬂexibility

and simpliﬁes their use in system applications. It is an IEEE-488.2 compatible

interface with an expanded Status Reporting Structure that complies with the

SCPI standard. SCPI commands are used to set the serial conﬁguration, and

to enable bits in the Status Reporting Structure to generate Service Requests.

The user can also enter his own IDN message to personalize the unit as part

of his assembly. The 8099 contains a webserver which allows the user to

view and update the 8099's conﬁguration settings. All settings are saved in

nonvolatile memory.

1-2

The 8099 is VXI-11.3 compliant which makes it easily controllable from virtu-

ally any computer with network access. One programming method is to make

program calls to a VISA or SICL library which can communicate with VXI-

11.3 instruments. LabView and VEE are graphical applications that can make

VISA calls. SICL or VISA calls are recommended for Visual Basic, C and other

program languages that can call any library. Another programming technique

is to use the RPC protocol to communicate with the 8099. The RPC protocol

makes it easy to control the 8099 from any LINUX/UNIX like environment.

JAVA programming examples are available on SourceForge.

The module contains a single instrument personality, inst0. inst0 is an IEEE-

488.2 compatible instrument and lets the user access the internal parser and

execute modbus commands to control the slave Modbus devices. The Ethernet

IP settings can be accessed by a web browser or by ICS's VXI-11 Conﬁgure

utility program. A 'LAN Reset' button allows the user to return the card to its

default IP settings at any time.

At power turn-on, the module's boot up and internal selftest process typically

takes approximately 4 seconds. At the end of the selftest, the 8099 turns the

RDY LED on if the test was successful. The LAN and ACT LEDs show the

status of the network connection. The TALK, LSTN and SRQ LEDs show

the module's current address status and if it has asserted a Service Request.

The ERR LED is momentarily illuminated when the card senses a soft error

condition or has a problem with a command that it received.

The 8099 conforms to the requirements for a LXI class C instrument per LXI

Standard Rev 1.1 with the exception of no support for auto-IP conﬁguration. The

8064 exceeds the LXI speciﬁcation for a class C instrument because it is fully

IEEE-488.2 compliant and speciﬁes complete use of the VXI-11 protocol.

The Model 8099 is packaged in a small Minibox™ metal case that is less than

1U in height (1.6 inches) The front panel contains the power switch and LEDs

which indicate the unit's status. The rear panel contains the Ethernet and serial

connectors and a DC power jack. The 8099 accepts a wide range of DC volt-

ages and is shipped with an adapter for the local power lines.

1-3

1.3 MODEL SPECIFICATIONS

The following speciﬁcations apply to all 8099 models. Options for your unit

may be found by comparing the list below to those listed on the program label

on your unit.

8099 - X General Model Number

Option Codes

-6 Special settings

-7 Special Program

-8 Hardware modiﬁcation

-9 Factory Rack Mounted

-A Ship with Australian 230 Vac Adapter

-B Ship with British 230 Vac Adapter

-E Ship with European 230 Vac Adapter

-U Ship with Universal 115/230 Vac Adapter

1-4

1.4. VXI-11 CONFORMANCE

The 8099 is a TCP/IP-IEEE 488.2 Instrument and complies with the VXI-11.3

Speciﬁcation.

1.4.1 RPC Protocol

The RPC protocol conforms to ONC RPC Version 2.

1.4.2 Sockets

The 8099's VXI-11 service supports 15 TCP/IP sockets for client communica-

tion. The sockets are normally opened and closed by the clients. The unit will

close the socket and release all resources if a broken connection is detected or

when the link count goes to zero if Auto Disconnect is enabled.

There is a separate socket for UDP RPC Port Mapper communication.

1.4.3 Channels

Supports Core, Abort and Interrupt channels. Core and Abort channels each

use a socket connection. Core channels support up to 64 device links and locks.

A reverse Interrupt channel is a TCP/IP socket connection that does not count

against the 15 client communication sockets limit.

1.4.4 Device Links and Locks

The 8099 support a maximum of 64 device links and 64 locks that can be used

over multiple Core channels by one or more clients.

1.4.5 VXI-11 Interface Name

The 8064 has only one instrument personality and the default name is inst0.

The name may be changed to any 8 character string.

1.4.6 VXI-11.3 Supported Functions

The 8099 supports all VXI-11.3 functions including:

create_link destroy_link create_intr_channel destroy_intr_channel

device_lock device_unlock device_abort

device_read device_write device_clear device_trigger

device_remote device_local device_readstb create_intr_channel

device_intr_SRQ device_enable_SRQ

1-5

1.5 ETHERNET INTERFACE

1.5.1 Type

IEEE-802.3 Compliant

1.5.2 Speed

Auto speed sensing, 10 Mbs with 10BaseT and 100 Mbs with 100BaseT

1.5.3 Network Address

Static: IP Address, Subnet Mask, and Gateway IPv4 values are user set from

0.0.0.0 to 255.255.255.255. Default values are listed in Table 1-3.

DHCP: Accepts IPv4 address from a DHCP Server.

1.5.4 KeepAlive Message

User enabled. Message sent if no activity for 120 minutes.

1.5.5 COMM Timeout

User set period, 0 to 232 seconds, to release socket resources if no activity.

1.5.6 Port Usage

TABLE 1-1 8099 PORT USAGE

Port Usage Protocols Notes

80 Internal WebServer TCP Web Browser access

111 RPC Port Mapper UDP, TCP

5555 Core Channel TCP

2000-2999 Abort Channel TCP Assigned when opened

xxxx Reverse Notiﬁcation TCP Deﬁned by client

5556 Conﬁguration Port, TCP

Error Logger

1.5.7 Protocols

TCP/IP for VXI-11, HTTP and RPC communication

UPD and TCP/IP for RPC Port Mapper commands

1-6

TABLE 1-2 FACTORY NETWORK SETTINGS

Command

Function Choices Default Source (1)

IP Address Mode Static or Dynamic Static E

IP Address 0.0.0.0 to 192.168.0.254 E

255.255.255.255

Net Mask 0.0.0.0 to 255.255.255.0 E

255.255.255.255

Gateway IP 0.0.0.0 to 192.168.0.1 E

255.255.255.255

COMM Timeout 120 sec E

IP KeepAlive On or Off On E

Interface Name Any string(4) inst0 E

REN state at On or Off On E

power turn-on

Auto Disconnect On or Off Off E

Sockets

Notes: 1. E = Ethernet Interface

2. Function deﬁnitions are described in Table 2-1

3. The 8099's MAC Address is factory set and is not user changeable. The

MAC Address can be read with the VXI-11 Conﬁguration Utility or

with a web Browser.

4. Changing the interface name may cause your application to stop work-

ing.

5. Setting Auto Disconnect on may cause your application to loose its

connection to the 8099.

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