Diamond technologies DT7000 Manuale utente

DT7000

Communication I/O Gateway

User’s Guide

Version 2.6

DT7000 Gateway User’s Guide 2.61 Page 2 of 22

6 Clock Tower Place

Suite 100

Maynard, MA 01754

USA

Tel: (866) 837-1931

Tel: (978) 461-1140

FAX: (978) 461-1146

http://www.diamondt.com/

Liability

Diamond Technologies Inc. shall not be liable for technical or editorial errors or omissions contained herein, nor for

incidental or consequential damages resulting from the use of this material. Those responsible for the use of this device must

ensure that all necessary steps have been taken to verify that the applications meet all performance and safety requirements

including any applicable laws, regulations, codes, and standards.

There are many applications of this product. The examples and illustrations in this document are included solely for

illustrative purposes. Because of the many variables and requirements associated with any particular implementation,

Diamond Technologies Inc. cannot assume responsibility for actual use based on these examples and illustrations.

Diamond Technologies Inc., reserves the right to modify our products in line with our policy of continuous product

development. The information in this document is subject to change without notice and should not be considered as a

commitment by Diamond Technologies Inc.

Intellectual Property Rights

U.S. and international laws. Copying, or altering of this document is prohibited without express written consent from

Diamond Technologies Inc.

Diamond Technologies Inc. has intellectual property rights relating to technology embodied in the product described

in this document. These intellectual property rights may include patents and pending patent applications in the US and other

countries.

Diamond Technologies Inc. and the Diamond Technologies logo are trademarks of Diamond Technologies Inc. All other

trademarks are the property of their respective holders.

DT7000 Gateway User’s Guide 2.61 Page 3 of 22

i Revision History

Version Date Description

1.0 09/28/08 Original Version

2.0 01/21/09 Update for Version 2.x Firmware

2.1 07/12/10 Update CANopen support.

2.2 10/01/10 Separated Network Supplements.

2.3 02/15/11 Fixed bit numbering in Generic Serial Driver

2.4 08/11/11 Minor text updates

2.5 11/08/11 Updated MODBUS mapping

2.6 07/15/12 Updated formatting

2.61 05/05/14 Logo Updates

ii Reference Documents

iii Table of Contents

i Revision History....................................................................................................................................................................3

ii Reference Documents...........................................................................................................................................................3

iii Table of Contents.................................................................................................................................................................3

1.0 Introduction........................................................................................................................................................................4

2.0 DT7000 – Module..............................................................................................................................................................4

2.1 Module Layout..............................................................................................................................................................5

2.2 Module Mounting..........................................................................................................................................................5

2.3 Input Power...................................................................................................................................................................5

2.4 Serial Port Connections.................................................................................................................................................6

2.5 Digital I/O Connections.................................................................................................................................................7

2.6 Analog I/O Connections................................................................................................................................................9

2.7 Fieldbus Connection......................................................................................................................................................9

2.8 Mating Connectors........................................................................................................................................................9

2.9 Module Indicators .......................................................................................................................................................10

2.10 Module DIP Switches................................................................................................................................................10

3.0 Communications ..............................................................................................................................................................11

3.1 Serial Communications Settings......................................................................................................................................11

3.2 Fieldbus Data Format.......................................................................................................................................................12

3.2 Generic Serial Driver.......................................................................................................................................................14

4.0 Supported Networks.........................................................................................................................................................15

4.1 MODBUS-RTU (Native Serial Ports)..............................................................................................................................16

5.0 Diagnostic Interface.........................................................................................................................................................17

5.1 Startup.........................................................................................................................................................................18

5.2 Interface Menu ...........................................................................................................................................................20

5.3 Updating the Module Firmware ..................................................................................................................................21

6.0 Technical Specifications ..................................................................................................................................................22

DT7000 Gateway User’s Guide 2.61 Page 4 of 22

1.0 Introduction

This document covers Diamond Technologies DT7000 Communications I/O Gateway. This module provides a

gateway between industrial networks, and serial devices as well as providing digital and analog I/O and local

control capabilities.

The DT7000 utilizes one of the available Anybus CompactCom modules for the desired fieldbus. This module

can be replaced with any of the other available Anybus CompactCom modules to provide a gateway to most

industrial fieldbus networks.

As standard the device supports MODBUS-RTU through the serial ports, and can be a MODBUS master and/or a

MODBUS slave. Also the module supports a generic serial driver which allows any serial data to be passed

through the serial device to the installed fieldbus. The module also includes digital and analog I/O which can be

accessed through the fieldbus.

A version of the module is available with an Ethernet interface. The Ethernet interface provides communication to

the module via Ethernet. This Ethernet interface is in addition to the CompactCom interface which also may be

Ethernet based.

A user application, developed in C can be installed in the module to provide data translation and local control.

This allows for instance ASCII serial data sent by a serial device to be converted to real number values on the

fieldbus, or a digital output to be set when an analog input value exceeds a limit. Simple C applications are

installed on top of the DT7000 standard firmware to implement virtually any control or interface application

supported by the DT7000 interfaces.

2.0 DT7000 – Module

The DT7000 module includes four serial ports (PORT A, B, C and D). These ports can be configured as master or

slave using the standard MODBUS-RTU protocol. Alternatively the ports can be configured to support the

generic serial driver to allow control of serial devices over the fieldbus network with protocols implemented on

the host. With an installed user application any serial protocol can be implemented in the module by the user. The

module includes 8 digital outputs, 8 digital inputs, 4 analog outputs and 8 analog inputs. The I/O data, serial data,

or any local control data generated by the user application, is mapped onto the installed fieldbus according to the

user configuration. Different Anybus-CompactCom modules can be installed in the DT7000 module to connect to

the various fieldbus networks. The following fieldbus networks are currently supported by the DT7000.

Profibus

DeviceNet

CANopen

EtherCat

EtherNet/IP

MODBUS-TCP

Profinet-IO

MODBUS-RTU

ControlNet

DT7000 Gateway User’s Guide 2.61 Page 5 of 22

2.1 Module Layout

The figure below, shows the module layout, and can be used to identify the components listed in the following

sections.

DT7000 Board Layout

2.2 Module Mounting

The DT7000 provides four mounting holes (Z1, Z2, Z3, and Z4). These are 0.120” diameter holes with a

surrounding pad of 0.200”. Mounting hole Z2 is connected to Earth Ground. The other holes are not connected.

Various DIN rail and enclosure mounting options are available for the DT7000. Contact the factory for

information.

2.3 Input Power

The DT7000 requires input power of 9 to 40 VDC (24 VDC nominal), at the terminal block connector (J19).

Alternatively for some applications a 3 pin pluggable connector (J17) is used for power in.

Refer to the following table for the power connections.

DT7000 Gateway User’s Guide 2.61 Page 6 of 22

Input Power:

J19 Pin J17 Pin SIGNAL

1 1 PE

2 2 +V

3 3 -V

Power for the I/O devices is supplied through the I/O connector (J10). The I/O supports voltages from 5 to 40

VDC. Two jumpers on the board (R67, and R68) can be installed to tie the input power to the I/O connector. This

defeats the optical isolation but allows driving I/O devices with the power supplied to the module.

2.4 Serial Port Connections

The DT7000 includes four serial ports. Each serial port is either RS232 or RS485. For B versions of the module,

only the RS232 connectors are included. Refer to the following tables, for connecting serial devices to the

DT7000.

DT7000 Serial Connections

RS232:

PORT A (J7) PORT B (J16) PORT C (J26) PORT D (J25) SIGNAL

1 1 1 1 GND

2 2 2 2 RX

3 3 3 3 TX

4 4 4 4 GND

5 5 5 5 ENB

RS485:

PORT A (J13) PORT B (J4) PORT C (J28) PORT D (J29) SIGNAL

1 1 1 1 GND

2 2 2 2 A (D-)

3 3 3 3 B (D+)

4 4 4 4 +5V

If the ENB signal on the RS232 connector is tied to GND, the RS232 is active and the RS485 is disabled. If not,

the RS485 is active, and the RS232 is disabled. Pins 4 and 5 should be connected on the RS232 (J13, J4)

connector to enable the RS232. Alternatively the ports can be forced to RS232 via the configuration, eliminating

the need to connect pins 4 and 5.

The GND and +5V on the RS485connectors can be used for biasing resistors if desired. Refer to the RS485

specification for information on terminating and biasing the RS485 network. No more then 50 mA should be

drawn from the 5V on the RS485 connector. A termination resistor can be installed on the board if desired.

The port A and port B RS485 ports can be built as isolated RS485. Contact the factory for more information if

isolated RS485 is desired.

DT7000 Gateway User’s Guide 2.61 Page 7 of 22

2.5 Digital I/O Connections

The digital I/O is accessed through the 26 pin connector (J10). The module provides 8 digital outputs and 8 digital

inputs. The digital inputs and outputs are optically isolated and can be ordered as either sinking or sourcing.

The output transistors are N channel MOSFET transistors capable of sinking or sourcing up to 1.5A. (Note current

for the entire module should be limited to 6 A). They include over temperature, over current, transient voltage,

and ESD protection. They are suitable for driving relays or other inductive loads directly.

When configured as sinking the output transistors are open drain with source tied to the I/O GND.

Digital Outputs (8X) Sinking:

When configured as sourcing the output transistors are open source with the drain tied to IO power.

Digital Outputs (8X) Sourcing:

When the inputs are configured as source in, they require a current source on the input pin to turn on.

Digital Input (8X) (Source in):

When they are configured as sink in they require a current sink on the input pin to turn on.

DT7000 Gateway User’s Guide 2.61 Page 8 of 22

Digital Input (8X) (Sink in):

The I/O configuration (sourcing or sinking) is not user configurable and must be specified at order. If required,

any combination of sourcing and sinking inputs and outputs can be configured on the same module. Contact the

factory for special configurations.

Refer to the following table for connecting the Digital I/O.

Digital I/O:

J10 Pin Signal J10 Pin Signal

1 OUT-0 2 XV

3 OUT-1 4 XV

5 OUT-2 6 XV

7 OUT-3 8 XV

9 OUT-4 10 XV

11 OUT-5 12 IN-0

13 OUT-6 14 IN-1

15 OUT-7 16 IN-2

17 XGND 18 IN-3

19 XGND 20 IN-4

21 XGND 22 IN-5

23 XGND 24 IN-6

25 XGND 26 IN-7

All inputs and outputs are rated for 5 to 40 VDC. If jumpers R67 and R68 are installed the input voltage to the

module is connected to the XV pins on the connector. This voltage can then be used to power I/O devices. Note

the total current draw of all the I/O devices must be limited to 3 Amps if R67 and R68 are installed.

Alternatively jumpers R67 and R68 can be removed and any voltage from 5 to 40 VDC can be supplied to the XV

pins on the connector. This allows the I/O to operate at a voltage different then the module supply voltage. With

jumpers R67 and R68 removed the inputs and outputs are optically isolated from the module power. With R67

and R68 removed the current draw of all the I/O devices must be limited to 6 Amps.

Each input and output has a status LED (D6-D13) numbered 0-7 on the board silkscreen. Each LED includes a

green element which is illuminated when the corresponding input is on, and a yellow element which is

illuminated when the corresponding output is on.

The XV LED (D4) shows the status of the external I/O voltage. This will be illuminated green if I/O voltage is

present. It will be red if I/O voltage is connected with polarity reversed.

DT7000 Gateway User’s Guide 2.61 Page 9 of 22

2.6 Analog I/O Connections

The analog I/O is accessed through the 8 pin connectors (J18 and J21). The module provides 2 analog outputs and

4 analog inputs on each of the connectors (4 analog outputs and 8 analog inputs total).

Analog outputs are 0 to 10 volt, 10 bit outputs. If required the board can be configured for 0 to 5 volt outputs or 0

to 20 mA outputs. Analog inputs are 0 to 10 volt 10 bit inputs. If required the board can be configured for 0 to 5

volt or 0 to 20 mA inputs. Custom configurations are possible. Please contact the factory for custom analog

configurations. (The 0 to 20 mA inputs/outputs can be used to for 4 to 20 mA signals with a corresponding loss of

resolution).

Refer to the following table for connecting the analog I/O.

Analog I/O:

J18 Pin Signal J21 Pin Signal

8 ANOUT-0 8 ANOUT-2

7 ANOUT-1 7 ANOUT-3

6 +5V 6 +5V

5 GND 5 GND

4 ANIN-0 4 ANIN-4

3 ANIN-1 3 ANIN-5

2 ANIN-2 2 ANIN-6

1 ANIN-3 1 ANIN-7

The analog I/O can be mapped to the fieldbus data as needed via the user configuration. Additionally a user

application can be used to calibrate, average, and convert analog values as needed.

The +5V available on the connector can be used to power external signal conditioning hardware if needed. No

more the 200 mA should be drawn +5V supply.

2.7 Fieldbus Connection

The fieldbus connects to the fieldbus connector on the Anybus-CompactCom module. This connector is fieldbus

specific. There are also LEDs on the Anybus-CompactCom module. Refer to the ABCC module documentation

for information on the fieldbus connection, and the LEDs on the module.

2.8 Mating Connectors

The serial and analog connectors on the DT7000 are Molex latching connectors. The digital connector is a 26 pin

header connector, suitable for ribbon cable or discrete wire connectors. The following table lists the recommended

mating connectors.

DT7000 Mating Connectors

Type Ref Mating Connector Crimp Pin

RS232 J7,J16,J26,J25 Molex 50-57-9405 Molex 90119-2109

RS485 J13,J4,J28,J29 Molex 50-57-9404 Molex 90119-2109

Analog J18,J21 Molex 50-57-9408 Molex 90119-2109

Digital J10 Amp 102387-6 Amp 1-87756-8

DT7000 Gateway User’s Guide 2.61 Page 10 of 22

2.9 Module Indicators

There are four power LEDs on the module. They are listed in the table below.

DT7000 Power LEDs

Ref Green Red

D1 +24V Pow OK Reverse Input Power

D2 +5V Pow OK Resettable Fuse Tripped

D3 +3.3V Pow OK -

D4 IO Pow OK Reverse I/O Power

D1 indicates 24 V power is applied to the module. D2 and D3 indicate the internal voltages are being generated.

All (3) LEDs will be on green when the module is operating properly. D4 indicates the I/O power is applied to the

module and will be illuminated green when I/O power is present.

There is a red/green dual color status LED (D5) on the module. On power up the LED flashes alternately red and

green to indicate the module is starting up. Once the module is initialized, the status LED has the following

meaning.

DT7000- Status LED Indications

D5 – State Indication

Flashing RED Not Communicating to Serial Device

Flashing GREEN Communicating to Serial Device

Flashing mostly off

(RED or GREEN) Not Communicating on Fieldbus

Flashing mostly on

(RED or GREEN) Communicating on Fieldbus

Solid RED Module failure

2.10 Module DIP Switches

There is an 8 position DIP switch on the module. The 8 switches are used to set the network address on the

fieldbus. These switches set an address in binary. A switch in the up (OFF) position corresponds to a 1 bit.

Example: Address 05.

Address Switch Position

1 2 3 4 5 6 7 8

05 up dn up dn dn dn dn dn

If the switches are all down (0 value), then the module will read the fieldbus address from the EEPROM on the

CompactCom module. This should also be used if the fieldbus address will be set over the network by a network

configuration tool. The fieldbus address in the EEPROM can also be set through the diagnostics port. The

switches can be used to reset all configurable parameters in the DT7000 to factory default values, and to erase the

user application. If the switches are all up (255 value) on power up, the status LED (D5) will flash red for 5

seconds, and on the diagnostic port a message (*** Change Switches to Reset to Factor Defaults ***) will be

displayed. Changing any switch value at this time will reset the module to a factory default state. If the switches

remain unchanged, the module will start with a switch value of 255.

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