SignalFire GWS-CBBL Manual de usuario

Rev 4.9 SignalFire Telemetry

Interface Manual

Gateway-In-A-Stick

SignalFire Number: GWS-CBBL

The SignalFire Gateway-In-A-Stick has the following features:

-RS485 connection to Modbus client device (Optional Modbus-TCP interface module)

-Wide range DC power input: 6-36VDC

-Collects and caches Modbus data from all SignalFire remote devices

-Provides configuration and status registers for remote configuration and status monitoring

-Integrated 500mW FHSS 900MHz ISM band radio and high gain antenna

-Stores up to 4700 register values from any combination of remote nodes

-Supports transparent Modbus mode

-Internal Remote Shut Down (RSD) logic control option

-Modbus register re-mapping

-Remote configuration of SignalFire devices through an Ethernet gateway connection

-Remote sensor configuration (PACTware and RadarMaster)

-AES-128 Encryption

-Class 1 Division 2 Area certification

 
Rev 4.9 SignalFire Telemetry 
2
Table of Contents 
Specifications _______________________________________________________________________________________ 4
Connections and Components _____________________________________________________________________ 5
Gateway-In-A-Stick Connections_________________________________________________________________ 5
Status LED ________________________________________________________________________________________ 5
Operation _________________________________________________________________________________________________________ 6
Remote Modbus Sticks and Sentinel-Modbus (non-sleeping radio only) Nodes ______________________________ 6
Remote Modbus Stick Node Re-Scan __________________________________________________________________________ 6
Setup _____________________________________________________________________________________________________________ 7
Optional Ethernet Gateway Connections_______________________________________________________________________ 7
Encryption ______________________________________________________________________________________________________ 9
Checking Remote Nodes ________________________________________________________________________________________ 10 
Remote Node Configuration __________________________________________________________________________________ 11 
Firmware Upgrades ______________________________________________________________________________________________ 13 
Rescue Gateway (ARM) Bootload _____________________________________________________________________________ 13 
Remote Shutdown (RSD) Control________________________________________________________________________________ 14 
RSD Configuration ____________________________________________________________________________________________ 15 
Source Value Section __________________________________________________________________________________________ 15 
Relay Control Logic Section ___________________________________________________________________________________ 16 
Destination RSD Stick Section _________________________________________________________________________________ 17 
Relay Pulse ____________________________________________________________________________________________________ 17 
Example _______________________________________________________________________________________________________ 18 
RSD Event log _________________________________________________________________________________________________ 18 
Additional Options ____________________________________________________________________________________________ 19 
Output Modules _________________________________________________________________________________________________ 19 
Modbus Register Remapping____________________________________________________________________________________ 20 
Use Data Type Floats __________________________________________________________________________________________ 21 
Fail Mode______________________________________________________________________________________________________ 22 
Load/Save Files________________________________________________________________________________________________ 22 
Import/Export CSV Files _______________________________________________________________________________________ 22 
RS485 Details ____________________________________________________________________________________________________ 23 
Network Map ____________________________________________________________________________________________________ 23 
Gateway Event Log ______________________________________________________________________________________________ 24 
Saving the Gateway Log_______________________________________________________________________________________ 24 

Rev 4.9 SignalFire Telemetry

Modbus Gateway Register Map ___________________________________________________________________ 25

Coils _____________________________________________________________________________________________ 25

Holding Registers _______________________________________________________________________________ 26

Revision History____________________________________________________________________________________ 30

Hazardous Location Certification __________________________________________________________________ 31

Rev 4.9 SignalFire Telemetry

Specifications

Gateway Size

Mounting

20.5” overall length. 1.45” diameter

¾” Female NPT fitting

Power Source

6-36VDC. 25mA @ 12VDC (average), 17mA @ 24VDC (average)

Temperature Rating

-40°C to +85°C

Radio

902-928MHz ISM Band, FHSS radio. IC and FCC Part 15 certified

Integrated 5dBi antenna. FCC ID: W8V-M655, IC: 8373A-M655

Compliance

Certified for use in Class I, Division 2 groups C and D. Certified to CSA

C22.2-2015 No. 142, CSA22.2 No. 312213, ISA 12.12.01-2015 and UL916

Rev 4.9 SignalFire Telemetry

Connections and Components

Gateway-In-A-Stick Connections

The Gateway-In-A-Stick is supplied with a 6’ conductor cable. The connections are as follows:

Wire Color

Connection

RED

Positive Power (6 to 36 VDC)

BLACK

Ground

GREEN

RS-485 “A”, 9600 Baud

BROWN

RS-485 “B”, 9600 Baud

ORANGE

RS-232 Debug/Programming TX, 9600 Baud

YELLOW

RS-232 Debug/Programming RX, 9600 Baud

Status LED

The Gateway has one LED Available for field diagnostics.

LED

Description

Slow Flash (3 second pause)

System is running and in communication with radio network

Fast Flash (0.5 second pause)

System is running but no network found

Solid On

System Fault needs service or rescue bootload

Rev 4.9 SignalFire Telemetry

Operation

The Gateway-In-A-Stick supports all remote SignalFire nodes making all remote sensor data

available in Modbus format.

The register data from remote sensor nodes is available by requesting the remote node’s Modbus

ID and register address from that node’s register map. The gateway will respond with the most recent copy of

the data from the remote node. The gateway will automatically time-out data from a remote node it stops

receiving data for.

If the remote node is a Modbus-Stick interface node additional features are supported.

Remote Modbus Sticks and Sentinel-Modbus (non-sleeping radio only) Nodes

Remote nodes that have been pre-configured forward their set of registers to the Modbus gateway on a pre-

defined schedule (1 minute to 5 minutes is typical). The register data is then buffered in the gateway and is

available to be read by the RTU at any time.

If a Modbus request is received by the gateway for a Modbus ID and address for which buffered data does not

exist, but the Modbus ID is known, the Modbus request will be forwarded to the remote Modbus node over the

SignalFire network. The response is returned to the RTU.

If a request for multiple registers is issued by the RTU, and if the gateway does not have all registered data

buffered, an exception will be returned. The system will not combine buffered and transparent data within a

single Modbus response.

Remote Modbus Stick Node Re-Scan

It is possible to cause a remote Modbus Stick to re-scan for attached Modbus devices by writing to one of the

gateway’s configuration registers. This is useful to discover a Modbus device that is added to an existing

Modbus node. The scan may be initiated by one of the two methods. First, if the radio address of the Modbus

Stick is known, writing this address to gateway register 3000 will result in a scan. Second, if the Modbus ID of

one of the already registered devices attached to a Modbus Stick is known, a scan will be started by writing the

ID to gateway register 3002.

Rev 4.9 SignalFire Telemetry

Setup

The Gateway-in-a-Stick requires an initial configuration over RS-232 using the SignalFire Toolkit.

Connect a USB-Serial cable (can be purchased from SignalFire) between a computer and the

Gateway’s DB9 port.

The following items must be configured to set up a SignalFire network:

-Radio Network

-Radio Network Group

-Corporate ID/Encryption Key

The standard SignalFire Connector-Breakout-Board (CBB), pictured below, provides an easy means to connect

to the RS232 lines and power the device while configuring the system. Note that the signal strength LEDs do

not light at the gateway as multiple nodes with varying signal strength may be connected at one time.

Optional Ethernet Gateway Connections

When used with a SignalFire Ethernet Interface Module, the 6 wires should be connected to the color coded

“Gateway Stick Connection” connector on the Ethernet Interface Module. Power can be supplied either to the

Power Input terminals on the Ethernet Interface Module or via power over Ethernet (PoE). For more information

on configuring and using the Ethernet Interface Module, please consult the Ethernet Interface Module manual.

Rev 4.9 SignalFire Telemetry

Using the SignalFire Toolkit

The SignalFire Toolkit application can be downloaded at www.signal-fire.com/customer. After

installation, launch the software and the main toolkit window will open:

Select the COM port associated with the Gateway Stick and click “Auto-Detect Device on COM Port.” This will

open the device configuration window, where all device settings can be configured.

If the Gateway is connected to an Ethernet Module, instead select the Modbus Gateway Stick in the dropdown

menu of the main ToolKit window, and click “Open Device Window”. In the upper left corner, check off the “TCP

Connection” box, type in the IP Address, and click “Open”. The port number (10002) will be automatically

added, so this is not necessary to enter it.

Rev 4.9 SignalFire Telemetry

Network Setting

The network is set using the SignalFire Toolkit. There can only be one Gateway per

network/group/encryption combination, otherwise they will conflict. In a system with multiple

Gateways, each Gateway must be on a separate network/group/encryption combination. The

network, network group, and corporate ID/encryption key settings must match those of its

nodes for them to communicate.

Encryption

To protect your over-the-air data and prevent tampering, SignalFire networks starting with radio version 2.50

and Gateway version 7.93 come with encryption. Legacy products use a Corporate ID, but can be switched over

to use an encryption key if the firmware and ToolKit are up to date.

To set up a legacy Gateway to use encryption, click the checkbox labeled Enable Encryption inside the Set

Corporate ID box. All Gateways now default with this option enabled and “signalfire” as the default encryption

key.

Radio settings box with and without encryption enabled. For more details, click the Help button.

The box will then change into a Set Encryption Key box, and it will prompt instead for the encryption key you

would like to use. Note that keys may not contain spaces or angle brackets. Enter it and then press Set. If you are

setting up a new network, you will need to set the encryption key on all of your devices. If you are swapping out

the Gateway for a legacy network, you can simply uncheck Enable Encryption and set the Corporate ID, and it

will remain compatible with the older system.

It is also possible to hide your encryption key so it cannot be read. This is the most secure option, but if you

forget your key, there is no way to recover it – you must reset the key on every device on its network. To enable

this option, select Set Encryption Key Unrecoverable under the Settings menu.

Rev 4.9 SignalFire Telemetry

Checking Remote Nodes

If one or more remote nodes are configured with the correct network settings, they will send their

data to the gateway. Clicking Refresh List will populate the list with all connected remote nodes.

The gateway displays the node type, node name (if it has been set), RSSI signal strength, check-in

interval, the Time-To-Live (TTL), and the node’s radio and main firmware versions.

The RSSI and TTL values are color coded (Green, yellow, orange, red) to indicate relative link quality of a node.

The ‘TTL Current’ indicates the number of minutes remaining until the node will be timed out of the gateway if

no updates are received. The ‘TTL Max’ indicates the maximum TTL for that node and is equal to the node’s

check-in interval times 5 plus 2. The ‘TTL Current’ will reset to the ‘TTL Max’ each time an update is received

from that node. The ‘TTL Current’ will decrement once a minute.

Double clicking on one of the nodes in the list will bring up additional detail including the register data from

the remote node.

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