SignalFire GWDIN Manuel utilisateur

Rev 1.15 SignalFire Telemetry

Interface Manual

DIN Mounted Gateway

SignalFire Part Numbers: GWDIN, GWDIN-ENET

The SignalFire DIN Gateway has the following features:

-RS485 connection to Modbus client device

-Optional Modbus-TCP Ethernet interface module

-Wide range DC power input. 6 to 36VDC

-Two open collector digital outputs

-DIN rail mount

-Collects and caches Modbus data from all SignalFire remote nodes

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

-RP-SMA antenna port for connection to external 900MHz 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)

-Radio is FCC and IC approved

-AES 128bit Encryption

-Class 1 Division 2 Area certification pending

 
Rev 1.15 SignalFire Telemetry 
2
Table of Contents 
SignalFire Part Numbers: GWDIN, GWDIN-ENET __________________________________ 1
SignalFire Part Numbers: GWDIN, GWDIN-ENET __________________________________ 1
Specifications ______________________________________________________________ 4
Connections and Components _______________________________________________________________ 5
DIN Gateway Connections_________________________________________________________________________5
Optional Ethernet Gateway Connections_____________________________________________________________5
Status LEDs_____________________________________________________________________________________6
Operation _______________________________________________________________________________ 6
Remote Modbus Sticks and Sentinel-Modbus (non-sleeping radio only) Nodes ______________________________6
Remote Modbus Stick Node Re-Scan ________________________________________________________________7
Setup ___________________________________________________________________________________ 7
Encryption _____________________________________________________________________________________9
Checking Remote Nodes___________________________________________________________________ 10 
Remote Node Configuration ______________________________________________________________________11 
Firmware Upgrades ______________________________________________________________________ 13 
Rescue Gateway (ARM) Bootload__________________________________________________________________13 
Remote Shutdown (RSD) and Local Digital Output 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 
Options ______________________________________________________________________________________19 
Local Digital Output_____________________________________________________________________________19 
Modbus Register Remapping_______________________________________________________________ 20 
Use Data Type Floats____________________________________________________________________________21 
Fail Mode _____________________________________________________________________________________22 
Load/Save Files ________________________________________________________________________________22 
Import/Export CSV Files _________________________________________________________________________22 
Output Modules _________________________________________________________________________ 23 

Rev 1.15 SignalFire Telemetry

RS485 Details _____________________________________________________________ 23

Network Map _____________________________________________________________ 23

Gateway Event Log_________________________________________________________ 24

Saving the Gateway Log _________________________________________________________ 24

Modbus Gateway Register Map ______________________________________________ 25

Coils _________________________________________________________________________________________25

Holding Registers_______________________________________________________________________________26

Revision History _________________________________________________________________________ 31

Hazardous Location Certification____________________________________________________________ 32

Rev 1.15 SignalFire Telemetry

Specifications

Enclosure Size

4.50” tall × 4.00” wide × 0.93” deep

Weight

0.3 lbs. (0.14kg)

Power Source

6-36VDC external power source

Operating Current

25mA average current @ 12VDC

Digital Outputs (2)

Open collector, 1A, 30V max

Temperature Rating

-40°C to +85°C

Radio

902-928MHz ISM Band, FHSS radio, 500mW,

RP-SMA connector. FCC ID: W8V-GWDIN, IC: 8373A-GWDIN

Compliance

Certified for use in Class I, Division 2 groups C, D, T5. EXi [EXi]

FCC/IC Certified. Certified to CSA C22.2 2015 No. 213.

Conforms to ISA 12.12.01 2015.

WARNING: Use of this equipment in a manner not specified by the manufacturer

may impair the protection provided by the equipment.

WARNING: The use of any parts not supplied by the manufacturer violates the

safety rating of the equipment.

Rev 1.15 SignalFire Telemetry

Connections and Components

DIN Gateway Connections

The DIN Gateway has a 6-position pluggable terminal block for power and serial

communications. The connections are as follows:

Terminal Name

Connection

6-36VDC (RED)

Positive Power (6 to 36 VDC)

GROUND (BLK)

Ground

RS232 TX (ORG)

RS-232 Debug TX, 9600 Baud (Only used with Ethernet Interface module)

RS232 RX (YEL)

MODBUS A (GRN)

RS-232 Debug RX, 9600 Baud (Only used with Ethernet Interface module)

RS-485 “A”, 9600 Baud

MODBUS B (BRN)

RS-485 “B”, 9600 Baud

In addition, a RS232 DB9 port is available for connection to the SignalFire Toolkit for configuration

and diagnostics.

Gateway Hardware revision 2 also has a 3-position pluggable terminal block with two open collector

digital outputs for signaling or alarm functions. Each output is rated to 30VDC and 1 Amp.

Optional Ethernet Gateway Connections

When used with a SignalFire Ethernet Interface Module, the 6-potition screw terminal block 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.

NOTE: when used with an Ethernet Interface Module the DB9 on the Ethernet module must be used for

ToolKit access.

Rev 1.15 SignalFire Telemetry

Status LEDs

The DIN Gateway has three LED Available for field diagnostics. The RS485 TX/RX

LEDs will blink in response to RS485 traffic, the status LED is described below.

STATUS 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

Operation

The DIN Gateway 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 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.

Rev 1.15 SignalFire Telemetry

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.

Setup

The DIN Gateway 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

NOTE: If used with an Ethernet Gateway module the DB9 on the Ethernet module must be used for

ToolKit access.

Rev 1.15 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 DIN Gateway 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 1.15 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 newer Gateways come with this option enabled with “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 1.15 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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