ICP DAS USA ZT-257 Series Manual de usuario

ZT-257x DIO Data Concentrator

Quick Start Guide

Warranty

All products manufactured by ICP DAS are under warranty regarding

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

delivery to the original purchaser.

Warning

ICP DAS assumes no liability for any damage resulting from the use of

this product. ICP DAS reserves the right to change this user 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.

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Technology Support

If you have any problems, please feel free to contact us via

email at [email protected]m

Table of Contents

1Introduction to the ZigBee DIO Data Concentrator.................... 1

2Parameters ...................................................................................... 4

2.1 An Overview of the Configuration Procedure..................................................4

2.2 Basic Configuration .....................................................................................................5

3ZT Series Module Settings............................................................ 12

3.1 Configuring the ZT-20xx-IOG Module ............................................................. 13

3.1.1. Connecting to the ZT-20xx-IOG Module (RUN).......................................... 15

3.1.2. Connecting to the ZT-20xx-IOG Module (INIT)........................................... 17

3.1.3. Hardware Settings for the ZT-20xx-IOG Module........................................ 19

3.1.4. Software Settings for the ZT-20xx-IOG Module.......................................... 23

3.2 Configuring the ZT-257x Module....................................................................... 25

4Technical Support ......................................................................... 28

5Appendix........................................................................................ 29

5.1 Advanced functions: DIO Channel Offset........................................................ 29

5.2 Advanced functions: Status Detection Schemes in Wireless

Environments ............................................................................................................. 33

5.2.1. The Check-Router-Alive function ....................................................................... 33

5.2.2. The Safe Value function.......................................................................................... 36

5.3 Modbus Register........................................................................................................ 39

5.3.1. 01 (0x01) Read Coils ................................................................................................ 39

5.3.2. 02 (0x02) Read Discrete Inputs ........................................................................... 41

5.3.3. 05 (0x05) Write Single Coil ................................................................................... 43

5.3.4. 15 (0x0F) Write Multiple Coils ............................................................................. 45

5.4 LED Status Indicator Definitions.......................................................................... 47

ICP DAS, ZT-257x DIO Data Concentrator Quick Start Guide, v1.0 Page 1

1Introduction to the ZigBee DIO Data

Concentrator

Overview of the Functions

ZT-257x series modules contain a built-in ZigBee DIO data concentrator function. This function

can be used to automatically retrieve the status of a remote DIO channel via a ZigBee wireless

network, and then temporarily save the data to the corresponding Modbus register. After the

data has been stored, it means that the remote PAC is able to read the data once, and then,

using the Modbus protocol, write the data to multiple DIO channels on remote ZigBee

modules connected to the ZT-257x module via the Ethernet, RS-232, or RS-485 interface.

The ZigBee DIO data concentrator function can be used to easily establish communication

between a Zigbee wireless network and the Ethernet, meaning that the distributed DIO data

can be integrated, allowing a remote monitoring system to be quickly implemented.

The ZigBee DIO data concentrator supports a maximum of 280 digital channels and a

maximum of 32 ZT-2000-IOG series modules. Using the ZigBee DIO data concentrator allows

the architecture of a system to be simplified, while simultaneously expanding system flexibility

and reducing the traffic load on an Ethernet and ZigBee wireless network, thereby improving

system performance.

I/O Exchange via the ZT-IOG ZigBee Network

ZT-2055-IOG

(8 DI + 8

DO)

ZT-2060-IOG

(6 DI + 4

DO)

ZT-2053-IOG

(14 DI)

ZT-2043-IOG

(14 DO)

ZT-2570 / ZT-2571

(280 CH Digital I/O Concentrator)

MODBUS RTU

MODBUS TCP

RS-232/RS-485

Ethernet

ICP DAS, ZT-257x DIO Data Concentrator Quick Start Guide, v1.0 Page 2

Overview of the ZT-257x Series

The ZT-2570 and ZT-2571 series modules are small-sized wireless ZigBee converters based on

the IEEE802.15.4 standard that allow devices based on the RS-232, RS-485 and Ethernet

interfaces to be integrated into a personal area ZigBee network. In addition, the transmission

frequency can be adjusted in the range from 2405 MHz to 2480 MHz, separated into 5 MHz

sectors, providing 16 channels and 16384 PAN IDs (i.e., Pan ID, 0x0000 to 0x3FFF).

The ZT ZigBee series of products conform to the ZigBee 2007 (ZigBee Pro) specifications

developed by the ZigBee Alliance for a suite of high-level communication protocols using

small, low-power digital radio modules. Only one ZigBee Host, e.g., a ZT-2570 module, can be

used in a single ZigBee network. This module is known as the “ZigBee Coordinator”, and is

used to manage the network initialization and routing. In addition, up to 255 ZigBee Slave

devices can be used in a single ZigBee network. Each of these devices is defined as a “ZigBee

Router”, and can be used to receive or forward data to or from a nearby node.

Further information related to the ZT-2570 (Host, ZigBee Coordinator) and the ZT-2571 (Slave,

ZigBee Router) series of converters can be found at:

http://www.icpdas.com/root/product/solutions/industrial_wireless_communication/

wireless_solutions/zt-2570.html

ICP DAS, ZT-257x DIO Data Concentrator Quick Start Guide, v1.0 Page 3

Overview of the ZT-2000-IOG Series

The ZT-2000-IOG series is a range of active wireless I/O modules developed by ICP DAS that

can be configured to operate as either a ZigBee Coordinator or a ZigBee Router by adjusting

the DIP/Rotary switch, while also being able to automatically provide updates related to the

status of the I/O channels. In addition, ICP DAS also provides a user-friendly GUI configuration

utility that allows users to perform advanced functions designed to meet the various needs of

customized applications.

More information related to the ZT-20xx-IOG series of I/O modules (ZigBee Coordinator/

Router) can be found at:

http://www.icpdas.com/root/product/solutions/industrial_wireless_communication/

wireless_solutions/wireless_selection.html#e

Documents providing more details about these devices can be downloaded from:

http://ftp.icpdas.com/pub/cd/usbcd/napdos/zigbee/zt_series/document/

ICP DAS, ZT-257x DIO Data Concentrator Quick Start Guide, v1.0 Page 4

2Parameters

2.1 An Overview of the Configuration Procedure

When using the ZT-257x module as a ZigBee DIO data concentrator, the following

configuration procedure should be performed:

①Create a ZigBee wireless connection between the ZT-257x module and a remote

ZT-20xx-IOG module. See Section 2.2 –(1) to (5) for more details.

②Specify the method to determine the conditions for how the status of the DIO channels

will be updated. See Section 2.2 –(6) to (7) for more details.

③Specify the protection mechanism that should be activated if the ZigBee wireless

communication is interrupted. See Section 2.2 –(8) to (9) for more details. Note that this

function is not essential to be enabled, but could be especially useful as it helps to

protect the module should an error occur or if communication is lost.

④Set the mapping between the DIO channels (ZT-20xx-IOG) and the Modbus register(s).

See Section 2.2 –(10) to (11) for more details.

ICP DAS, ZT-257x DIO Data Concentrator Quick Start Guide, v1.0 Page 5

2.2 Basic Configuration

The main parameters used to perform the configuration procedure for the ZT-20xx-IOG and

ZT-257x modules described in Section 2.1 are listed below. For more information related to

each parameter, refer to the Sections indicated.

Configuration Parameters

Details

ZT-20xx-IOG

ZT-257x

Pan ID

➀

Section 2.2-(1)

Section 3.1.4

Section 3.2

Node ID

Section 2.2-(2)

Section 3.1.3 (DIP Switch 4-8)

Encryption

Section 2.2-(3)

Section 3.1.3 (DIP Switch 3)

RF Channel

Section 2.2-(4)

Section 3.1.3 (Rotary Switch)

RF Power

Section 2.2-(5)

Section 3.1.4

Trigger Mode

➁

Section 2.2-(6)

Section 3.1.3 (DIP Switch 2)

Refresh Interval

Section 2.2-(7)

Section 3.1.4

Check-Router-Alive

➂

Section 2.2-(8)

Section 3.1.4

Safe Value

Section 2.2-(9)

Section 3.1.4

Channel Offset (DI/DO)

➃

Section 2.2-(10)

Section 3.1.4

Modbus Slave ID

Section 2.2-(11)

N/A

1. Pan ID: (Overview)

-This parameter is used to configure the Pan ID, which is the group ID for the ZigBee

network, and must be the same for all modules that exist in the same ZigBee

network. The valid value range is from 0x0000 to 0x3FFF.

-The factory default Pan ID for a ZT-20xx-IOG module is 0x0000, but will be set to

0x3FFFF when operating in INIT mode.

-Normally, ZigBee network groups can be separated by adjusting the RF Channel

without setting the Pan ID. See the RF Channel section (4) below for more details.

ICP DAS, ZT-257x DIO Data Concentrator Quick Start Guide, v1.0 Page 6

2. Node ID: (Overview)

-This parameter is used to configure the Node ID, which is the identification number

for the module, and must be unique within a single ZigBee network.

-The Node ID for the ZigBee Coordinator is fixed to 0x0000, whereas the Node

ID for ZigBee Router can be configured in the range from 0x0001 to 0xFFF7.

-Up to 32 Node IDs can be configured for a ZT-20xx-IOG module in the range from

0x0000 to 0x001F. However, if the module is set to INIT mode, the Node ID will be

set to 0x0020.

-One of the devices in a single ZT-IOG network must be assigned as the ZigBee

Coordinator (0x0000), and must be always powered on or else the IOG system will

not function correctly.

3. Encryption: (Overview)

-This parameter is used to switch support for the AES 128-bit encryption algorithm

either ON or OFF.

-When using the ZT-20xx-IOG module, this function can be set using the rotary

switch. When using the ZT-257x module, this function can be configured using

software.

-When using the ZT-20xx-IOG module as a ZigBee Router, data encryption function

will passively be performed.

4. RF Channel: (Overview)

-This parameter is used to configure the radio-frequency channel, and all modules

must be set to the same frequency if they are connected to the same ZigBee

network, as indicated in the following table.

Channel

0x00

0x01

0x02

……

0x0E

0x0F

Frequency (MHz)

2405

2410

2415

……

2475

2480

ICP DAS, ZT-257x DIO Data Concentrator Quick Start Guide, v1.0 Page 7

Determining which Wi-Fi channels are available:

Use a Smartphone (or PC) App such as Wi-Fi Analyzer to analyze the wireless

network environment, scan which WLAN frequency bands (e.g., Wi-Fi) are being

used for the Wi-Fi channels in the local vicinity. For example:

As illustrated in the screenshot from Wi-Fi Analyzer below, several Wi-Fi signals

are being used for specific Wi-Fi channels (i.e., channels 1, 6, and 11).

Determining which ZigBee channels do not overlap with the available Wi-Fi

channels:

By referring to the corresponding Wi-Fi and ZigBee channel table below, based on

the IEEE802.15.4 standard, the ZigBee transmission frequency can be adjusted in the

range from 2405 MHz to 2480 MHz, separated into 5 MHz sectors, providing 16

channels. In the table below, it can be determined that ZigBee channels 4, 9, E, and F

and Wi-Fi channels 1, 6, and 11 do not overlap. In this case, RF channels 4, 9, E, and

F can be selected.

ICP DAS, ZT-257x DIO Data Concentrator Quick Start Guide, v1.0 Page 8

‧Comparison between RF Channel frequencies and ZigBee (802.15.4)

and WLAN (IEEE 802.11b/IEEE 802.11g) bands



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