GE D.20 RIO Instructions for use

GE
Digital Energy
D.20TM RIO
Distributed I/O Controller
Hardware User’s Manual
994-0141
Version 1.10 Revision 2
GE Information

GE Digital Energy
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D.20 RIO HARDWARE USER’S MANUAL GE Information 3
D.20 RIO Distributed I/O Controller
Table of contents
ABOUT THIS
DOCUMENT
Purpose ............................................................................................................................7
Intended audience ........................................................................................................7
Additional documentation ...........................................................................................8
How to use this guide ...................................................................................................8
Document conventions .................................................................................................8
Safety words and definitions........................................................................................9
PRODUCT SUPPORT Search technical support ...........................................................................................11
Contact customer support ........................................................................................11
Product returns.............................................................................................................12
Upgrade your D.20 RIO Distributed I/O Controller firmware...............................12
BEFORE YOU START Safety precautions ......................................................................................................13
Warning symbols .........................................................................................................................................14
Regulatory compliance information ........................................................................14
CE Mark compliance .................................................................................................................................... 14
Restriction of Hazardous Substances (RoHS)................................................................................... 15
Product overview..........................................................................................................15
D.20 networks .................................................................................................................................................16
Ordering guide .............................................................................................................16
Product specifications ................................................................................................17
Storage recommendations.........................................................................................18
Storage conditions ......................................................................................................................................18
INSTALLING THE
D.20 RIO
Installation steps..........................................................................................................19
Required tools ...............................................................................................................20
Unpacking the D.20 RIO ..............................................................................................20
Package contents ......................................................................................................................................... 20
Configuring device options.........................................................................................21
SW1: D.20 channel 1 to D.20 link port B ............................................................................................. 22
SW3: D.20 channel 2 to D.20 link port B ............................................................................................22

4 GE Information D.20 RIO Hardware User’s Manual
TABLE OF CONTENTS
SW2: End of link termination ...................................................................................................................23
JP1: Power supply to D.20 connectors ...............................................................................................23
Grounding the D.20 RIO ..............................................................................................24
Torque settings ...............................................................................................................................................24
Connecting the power supply ....................................................................................24
Specifications...................................................................................................................................................24
Connection wires ...........................................................................................................................................25
Rack mounting the D.20 RIO ......................................................................................25
Panel mounting the D.20 RIO ....................................................................................26
DIN rail mounting the D.20 RIO .................................................................................27
CONNECTING TO
DEVICES AND
NETWORKS
Cabling overview ..........................................................................................................29
General cabling requirements.................................................................................................................29
D.20 Link.........................................................................................................................30
Connection scenarios .................................................................................................................................30
Supplying power through the D.20 Link ..................................................................33
Ethernet .........................................................................................................................33
RS-232 ............................................................................................................................34
SETTING UP THE
D.20 RIO
Connecting to the D.20 RIO for the first time .........................................................36
Initialization procedure ..............................................................................................37
Setting up the network interface ...........................................................................................................37
Setting the D.20 RIO device time and date .......................................................................................38
Creating administrator-level user accounts .....................................................................................38
Time synchronization strategies ...............................................................................38
D.20 RIO configuration utility ....................................................................................39
Configure authentication ...........................................................................................................................40
Configure network settings.......................................................................................................................41
Configure network interfaces ..................................................................................................................41
Enable or disable VLAN redundancy ....................................................................................................42
Configure secure access ............................................................................................................................43
Configure time synchronization..............................................................................................................44
Hardware ..........................................................................................................................................................44
Reset System Logs .......................................................................................................................................44
Online HMI .....................................................................................................................44
Remote authentication ...............................................................................................45
BACKING UP AND
RESTORING THE
D.20 RIO
Pre-requisites................................................................................................................47
Configuration backup..................................................................................................48
Configuration restoration...........................................................................................49
USING THE D.20 RIO Front and top panel LEDs ...........................................................................................51
Status LEDs .....................................................................................................................................................51
LAN port status LEDs....................................................................................................................................51
D.20 port status LEDs...................................................................................................................................52
D.20 RIO HMI..................................................................................................................52
Accessing the HMI .........................................................................................................................................53
Configuring Single and Redundant D.20 RIOs.........................................................54
Single D.20 RIO ................................................................................................................................................54

TABLE OF CONTENTS
D.20 RIO HARDWARE USER’S MANUAL GE Information 5
Redundant D.20 RIOs................................................................................................................................... 54
Verifying D.20 RIO redundancy states.................................................................................................55
System utilities..............................................................................................................56
From the rear maintenance port ...........................................................................................................56
Over a network connection ...................................................................................................................... 56
SERVICING THE D.20
RIO
Accessing the D.20 RIO for maintenance.................................................................59
Replacing the fuses......................................................................................................60
STANDARDS &
PROTECTION
Compliance standards ................................................................................................61
LIST OF ACRONYMS Acronym Definitions ....................................................................................................65

6 GE Information D.20 RIO Hardware User’s Manual
TABLE OF CONTENTS

D.20 RIO - HARDWARE USER’S MANUAL GE Information 7
D.20 RIO Distributed I/O Controller
About this Document
About this Document
Purpose
This manual provides information about installing, setting up, using and maintaining your
D.20 RIO Distributed I/O Controller. This manual does not provide any procedures for
configuring the software of the D.20 RIO.
For the most current version of the D.20 RIO Hardware User’s Manual, please
download a copy from:
http://www.gedigitalenergy.com/multilin/energy/catalog/d20Rio.htm
Intended audience
This manual is intended for use by field technicians and maintenance personnel who are
responsible for the installation, wiring and maintenance of SCADA equipment. This guide
assumes that the user is experienced in:
• Electrical utility applications
• Electrical wiring and safety procedures
• Related other manufacturers’ products, such as protective relays and
communications equipment

8 GE Information D.20 RIO - HARDWARE USER’S MANUAL
ADDITIONAL DOCUMENTATION ABOUT THIS DOCUMENT
Additional documentation
For further information about the D.20 RIO, refer to the following documents.
•D400 Substation Gateway Software Configuration Guide (SWM0066)
For the most current version of the above D400 documentation, please download a
copy from:
http://www.gedigitalenergy.com/app/ViewFiles.aspx?prod=d400&type=3
•D.20 RIO Online Help
How to use this guide
This guide describes how to install the D.20 RIO and get it up and running for the first time.
The software-related procedures in this guide are based on using a computer running
Windows®XP. Some steps and dialog boxes may vary slightly if you are using another
version of Windows.
Document conventions
The following typographic conventions are used throughout this manual:
Bold face is used for:
• Names of software program menus, editors, and dialog boxes; also for the names of
menu commands, keyboard keys, icons and desktop shortcuts, and buttons and fields
in editors and dialog boxes
• Names of hardware components
• User input that must be typed exactly
Italic face is used for:
•Emphasis
• Cross-references to sections, figures and tables within this manual and for titles of
other documents
• File and directory names; examples of directory paths are generally given in the
Windows format
• Placeholders for user input that is specific to the user. May also include angle brackets
around the placeholder if the placeholder is already in italic text. For example,
c:\<product>\product.def
• References to a parameter or field value shown

ABOUT THIS DOCUMENT SAFETY WORDS AND DEFINITIONS
D.20 RIO - HARDWARE USER’S MANUAL GE Information 9
Safety words and definitions
Before attempting to install or use the device, review all safety indicators in this document
to help prevent injury, equipment damage or downtime.
The following safety and equipment symbols are used in this document:
Indicates a hazardous situation which, if not avoided, will result in death or serious
injury.
Indicates a hazardous situation which, if not avoided, could result in death or serious
injury.
Indicates a hazardous situation which, if not avoided, could result in minor or
moderate injury.
Indicates practices that are not related to personal injury.

10 GE Information D.20 RIO - HARDWARE USER’S MANUAL
SAFETY WORDS AND DEFINITIONS ABOUT THIS DOCUMENT

D.20 RIO - HARDWARE USER’S MANUAL GE Information 11
D.20 RIO Distributed I/O Controller
Product Support
Product Support
If you need help with any aspect of your GE Digital Energy product, you have a few options.
Search technical support
The GE Digital Energy Web site provides fast access to technical information, such as
manuals, release notes and knowledge base topics at:
http://www.gedigitalenergy.com
Contact customer support
The GE Digital Energy Customer Service Center is open 24 hours a day, seven days a week
for you to talk directly to a GE representative.
In the U.S. and Canada, call toll-free: 1 800 547 8629
International customers, please call: + 1 905 927 7070
Or e-mail to multilin.t[email protected]
Have the following information ready to give to Customer Service:
• Ship to address (the address that the product is to be returned to)
• Bill to address (the address that the invoice is to be sent to)
•Contactname
• Contact phone number
• Contact fax number
• Contact e-mail address
• Product number / serial number
• Description of problem
The Customer Service centre will provide you with a case number for your reference.

12 GE Information D.20 RIO - HARDWARE USER’S MANUAL
PRODUCT RETURNS PRODUCT SUPPORT
Product returns
A Return Merchandise Authorization (RMA) number must accompany all equipment being
returned for repair, servicing, or for any other reason. Before you return a product, please
contact GE Digital Energy to obtain an RMA number and instructions for return shipments.
You will be sent the RMA number and RMA documents via fax or e-mail. Once you receive
the RMA documents, attach them to the outside of the shipping package and ship to GE.
NOTE
Product returns will not be accepted unless accompanied by the Return Merchandise
Authorization number.
Upgrade your D.20 RIO Distributed I/O Controller
firmware
The firmware of your D.20 RIO Distributed I/O Controller can be upgraded to provide the
latest functionality and improvements. Visit the customer support web site at http://
www.gedigitalenergy.com to download the upgrade software and instruction guide.

D.20 RIO - HARDWARE USER’S MANUAL GE Information 13
D.20 RIO Distributed I/O Controller
Chapter 1: Before You Start
Befo re You Sta rt
Before you begin installing and using the D.20 RIO, review the information in this chapter,
including the following topics:
• Safety precautions
• Product overview
•Ordercodes
• Product specifications
• Storage recommendations
Read and thoroughly understand this guide before installing and operating the unit. Save
these instructions for later use and reference.
Failure to observe the instructions in this manual may result in serious injury or death.
Safety precautions
Follow all safety precautions and instructions in this manual.
Only qualified personnel should work on the D.20 RIO. Maintenance personnel should be
familiar with the technology and the hazards associated with electrical equipment.
•Never work alone.
• Before performing visual inspections, tests, or maintenance on this equipment, isolate
or disconnect all hazardous live circuits and sources of electric power. Assume that all
circuits are live until they have been completely de-energized, tested, and tagged. Pay
particular attention to the design of the power system. Consider all sources of power,
including the possibility of back feed.
• Turn off all power supplying the equipment in which the D.20 RIO is to be installed
before installing and wiring the D.20 RIO.
• Operate only from the power source specified on the installed power supply module.
• Beware of potential hazards and wear personal protective equipment.
• The successful operation of this equipment depends upon proper handling,
installation, and operation. Neglecting fundamental installation requirements may
lead to personal injury as well as damage to electrical equipment or other property.

14 GE Information D.20 RIO - HARDWARE USER’S MANUAL
REGULATORY COMPLIANCE INFORMATION CHAPTER 1: BEFORE YOU START
• All AC voltage terminals are protected from accidental contact by a mechanical safety
shield.
• All electronic components within the D.20 RIO are susceptible to damage from
electrostatic discharge. To prevent damage when handling this product use approved
static control procedures.
• Hazardous voltages can cause shock, burns or death. To prevent exposure to
hazardous voltages, disconnect and lock out all power sources before servicing and
removing components.
• If the D.20 RIO is used in a manner not specified in this manual, the protection
provided by the equipment may be impaired.
• Changes or modifications made to the unit not authorized by GE Digital Energy could
void the warranty.
Warning symbols
The following table explains the meaning of warning symbols that may appear on the D.20
RIO or in this manual.
Regulatory compliance information
CE Mark compliance
The D.20 RIO is rated as CISPR 11 Group 1 Class “A” equipment.
NOTE
To provide higher EMC immunity and maintain CE Mark compliance, the serial cables used
for permanent RS-232 and RS-485 connections must comply with the following
requirements:
• Cables must be shielded
• D type connector covers must provide EMC shielding (e.g. metallized plastic or die cast
metal covers) for permanently connected RS-232 cables
Class “A” equipment is intended for use in an industrial environment. The equipment
generates, uses and can radiate radio frequency energy and, if not installed and used in
accordance with these instructions, may cause interference to other devices in the vicinity.
The relevant circuit is direct current.
The relevant circuit is alternating current.
Caution: Refer to the documentation for important operation and
maintenance instructions. Failure to take or avoid specified actions could
result in loss of data or physical damage.
Warning: Dangerous voltage constituting risk of electric shock is present
within the unit. Failure to take or avoid specified actions could result in
physical harm to the user.
Earth/Ground Terminal
Protective Ground Terminal
Caution: Hot Surface
!

CHAPTER 1: BEFORE YOU START PRODUCT OVERVIEW
D.20 RIO - HARDWARE USER’S MANUAL GE Information 15
If this equipment does cause interference with other devices, which can be determined by
turning the equipment off and on, the user is encouraged to try to correct the interference
by one or more of the following measures:
• Reorient or relocate the receiving device
• Increase the separation between the equipment
• Connect the equipment into an outlet on a circuit different from that to which the
other device(s) is connected
• Consult the manufacturer or field service technician for help
Restriction of Hazardous Substances (RoHS)
The environmental protection use period (EPUP), as defined in PRC SJ/T11363-
2006, for the D.20 RIO hardware assemblies listed in the table below is in
excess of 20 years.
Table 1: RoHS Material Declaration Data Content by Assembly
O: Indicates that this toxic or hazardous substance contained in all of the homogeneous
materials for this item is below the limit required in PRC SJ/T11363-2006 and EU Directive
2002/95/EC (RoHS)
X: Indicates that this toxic or hazardous substance contained in at least one of the
homogeneous materials used for this item is above the limit requirement in PRC SJ/
T11363-2006 and EU Directive 2002/95/EC (RoHS)
The maximum concentration limits (MCV's) apply.
Lead (Pb) 0.1% by weight = 1000 mg/kg = 1000 ppm
Mercury (Hg) 0.1% by weight = 1000 mg/kg = 1000 ppm
Cadmium (Cd) 0.01% by weight = 100 mg/kg = 100 ppm
Chromium VI (Cr6) 0.1% by weight = 1000 mg/kg = 1000 ppm
PBB, PBDE 0.1% by weight = 1000 mg/kg = 1000 ppm
Product overview
The D.20 RIO Distributed I/O Controller (D.20 RIO) is an intelligent electronic device
designed to communicate with a single D.20 network link of up to 30 peripherals and
distribute the data collected to a D400 over a substation LAN. The D400 can have up to
four D.20 RIO's connected over substation LAN.
The D.20 RIO supports standalone configurations and redundant configurations:
• In a standalone configuration, a D400 can be connected to a maximum of four D.20
RIOs, with each D.20 RIO providing communication with up to 30 peripherals.
GE Item # Description Lead
(Pb)
Mercury
(Hg)
Cadmium
(Cd)
Hexavalent
Chromium (Cr6)
Polybrominated
biphenyls (PBB)
Polybrominated
diphenyl ethers (PBDE)
500-0231 D.20 RIO assembly 0 0 0 0 0 0
580-3483 Power supply,
24 DC @ 2.6 A
0 0 0 0 0 0
580-3484 Power supply,
48 VDC @ 3.75 A
0 0 0 0 0 0
977-0089 D.20 link cable 0 0 0 0 0 0
977-0209/
60
Cable, UTP Patch Cord
Stranded, 60 Inch
0 0 0 0 0 0
977-0529/
72
Cable, Null Modem DB9F-
DB9F, 80°C, 150V, 72 Inch
0 0 0 0 0 0

16 GE Information D.20 RIO - HARDWARE USER’S MANUAL
ORDERING GUIDE CHAPTER 1: BEFORE YOU START
• In a redundant configuration, a D400 can be connected to eight D.20 RIOs, with each
redundant pair of D.20 RIOs providing communication with up to 30 peripherals.
Features of the D.20 RIO include:
• Dual D.20 link channels support looped peripheral systems
• Integration with the D400 Substation Gateway
• Manages peripheral code and configuration downloads
• LEDs for device power and status, D.20 TX and RX, and Ethernet link activity and
connect speed
• 10/100BaseT interface for D.20 protocol communication with the D400 Substation
Gateway
• Optional low and high voltage power supply modules
• Inserts power on the D.20 interface cable
• 1U 19 inch rack, DIN rail, or panel mounting options
• All connectors are mechanically secured
• Supports 802.3p and 802.3Q (VLAN) to ensure D.20 data receives higher priority
• 1 ms accuracy using SNTP time sync
NOTE
1 ms accuracy recorded for 99.6% of the total D.20 RIO points. See “Product
specifications” on page 17 for more details.
D.20 networks
A D.20 network enables GE Digital Energy devices to connect to D20-series peripherals. It
uses an HDLC protocol to acquire data from and to send commands to the peripheral
devices. The D.20 network supports the following peripheral modules:
• D20 A - Analog input peripheral
• D20 S - Digital (status) input peripheral
• D20 K - Digital (control) output peripheral
• D20 C - Combo peripheral available in three configurations (C0/C1/C2) providing
combinations of digital inputs (C0/C1/C2), digital outputs (C0/C1/C2), analog inputs
(C1/C2) and analog outputs (C2)
Ordering guide
Table 2: D.20 RIO part numbers
Part Description GE Part Number
D.20 Distributed Network
Appliance
This base unit includes rack mount flanges,
panel mount flanges, and DIN rail mount panel.
520-0231
24 VDC Power supply Input: 85 to 264 VAC, 45 to 65 Hz., or 90 to
350 VDC
Output: 24 VDC/ 3.5 A
DIN rail mount panel
580-3483
48 VDC Power supply Input: 85 to 264 VAC, 45 to 65 Hz., or 90 to
350 VDC
Output: 48 VDC/ 5A
DIN rail mount panel
580-3484

CHAPTER 1: BEFORE YOU START PRODUCT SPECIFICATIONS
D.20 RIO - HARDWARE USER’S MANUAL GE Information 17
Product specifications
The D.20 RIO adheres to the following system, communications, electrical, physical and
environmental specifications. Additional Standards and Protection are listed in Appendix A,
Standards & Protection.
System
Communications
Electrical
Power Supplies
Physical
Processor 333 MHz embedded PowerPC
Memory 256 MB of 133 MHz DDR2 RAM
8 MB NVRAM for persistent event storage
Storage No hard drive
256 MB NAND flash soldered on board
Operating system Linux
LED indicators System status: Power, Ready
Ethernet port status: Link and connect speed per port
D.20 port status: Transmit and Receive status per port
Network connections Dual redundant Ethernet interface
Twisted Pair
10/100BaseT (Isolated RJ-45 connector)
Serial communications 2 channels: D.20 Link
Data rate: 250 Kbps
Galvanic isolation: 620 VAC
Surge protected to ±2000 V peak
D.20 RIO rated input 22 to 55 VDC (±10%) 10 W + 165 W limited by a 3.5 A fuse (2.8 A at 70 °C
for auxiliary output
Minimum/Maximum DC voltage: 20 VDC / 60 VDC
Rated power supplies 580-3483 Input 85 to 264 VAC 90 to 350 VDC
Output 24 VDC (18 to 29.5 VDC) @ 2.6 A at 70 °C
580-3484 Input 85 to 264 VAC 90 to 350 VDC
Output 48 VDC (30 to 56 VDC) @ 3.75 A at 70 °C
Peak inrush current at
70°C on cold start
580-3483 24 VDC at 2.6 A <15 A
580-3484 48 VDC at 3.75 A <20 A
Rated frequency (AC-DC) 50/60 Hz nominal (45 to 65 Hz)
Overall height 1U [44.0 mm] 19” rack mount
54.5 mm DIN rail mount
Width 482.59 mm 19” rack mount
231 mm DIN rail mount
Depth 158 mm for chassis and rear connectors
Recommended Cable
Clearance
2.0” [50.8 mm]
Unit gross weight 1.280 kg including 19” rack mount brackets
1.145 kg including DIN rain mount bracket
Packing carton Size: 18.1” w x 8.5” d x 7.1” h [460 mm x 216 mm x 180 mm]
Gross Weight: 20.0 lb [9.1 kg]
Battery shipping
restrictions
The D.20 RIO does not contain a battery and is therefore not affected by
US DOT or ICAO shipping restrictions.

18 GE Information D.20 RIO - HARDWARE USER’S MANUAL
STORAGE RECOMMENDATIONS CHAPTER 1: BEFORE YOU START
Environmental
When the unit is operating above 68 °C ambient temperature, safe
handling precautions are recommended to prevent burns
.
Software
SOE Time Stamp
Synchronization
Storage recommendations
Storage conditions
Always store the D.20 RIO in an environment compatible with operating conditions.
Recommended environmental conditions for storage are:
•Temperature:−40 °C to +85 °C
• Relative humidity: 5% to 95%, non-condensing
• Maximum Altitude: +12192 m above sea level [40,000 feet]
NOTE
Do not store this device above temperatures of +60 °C for longer than one week as it is
detrimental to the life of the super capacitor used for the NVRAM backup process.
Material/Finish Galvannealed steel with black powder coat
Operating temperature −20 °C to +70 °C
Maximum ambient temperature is +68 °C for unit to fully comply with
IEC 61010-1 Section 10.1 regarding surface temperature limits for
protection against burns.
Note: Do not operate this device above temperatures of +60 °C for
longer than one week as it is detrimental to the life of the super
capacitor used for the NVRAM backup process.
Humidity rating 5% to 95% relative humidity, non-condensing
Environmental rating Ingress protection: IP30 (IEC 60529)
Installation /
overvoltage category
CAT II (2)
Pollution degree 2
Use Indoor use only
Operating altitude Maximum altitude 2000 m
MTBF (MIL-217F) 158,000 hours at 40 °C
Firmware Supports web-based user interface and secure access
Configuration Built-in graphical user interface (Web browser-based)
Time Sync SNTP, configured with 5 second updates
Test Tested with 3 switches between the D.20 RIO and D400 over VLAN
D400 time synced via IRIG-B
IRIG-B toggled status point on D20S peripheral at 1 second intervals
D.20 RIO was connected to 30 D.20 peripherals, with normal and
heavy loading
Performance 99.6% of the points are within ± 1ms

D.20 RIO - HARDWARE USER’S MANUAL GE Information 19
D.20 RIO Distributed I/O Controller
Chapter 2: Installing the D.20 RIO
Instal ling the D. 20 RIO
This chapter covers the following topics:
• Overview of the steps and tools required to install the D.20 RIO
• Configuring device settings
• Grounding the D.20 RIO and connecting the power supply
• Physical installation the D.20 RIO in a 19” rack, on a panel, or on a DIN rail
Before you install and operate the D.20 RIO, read and follow the safety guidelines and
instructions; see “Safety precautions” on page 13.
Installation steps
The installation procedure will vary depending on the components ordered and shipped
with your D.20 RIO. Follow the procedures in this manual that apply to the specific
hardware configuration of your D.20 RIO.
Follow these main
steps to install and set
up the D.20 RIO
1. Unpack the D.20 RIO. See “Unpacking the D.20 RIO” on page 20.
2. Configure the D.20 RIO connection options. See “Configuring device options” on
page 21.
3. Connect the D.20 RIO to a ground. See “Grounding the D.20 RIO” on page 24.
4. Connect the D.20 RIO to a power supply. See “Connecting the power supply” on
page 24.
5. Mount the D.20 RIO, in one of the following ways:
– In a rack. See “Rack mounting the D.20 RIO” on page 25.
– On a panel. See “Panel mounting the D.20 RIO” on page 26.
– On a DIN rail. See “DIN rail mounting the D.20 RIO” on page 27.
6. Make device and network connections. See Chapter 3, Connecting to Devices and
Networks.
7. Configure the D.20 RIO using the HMI and the local configuration utility. See Chapter 4,
Setting Up the D.20 RIO.
8. Verify operation of the D.20 RIO. See Chapter 6, Using the D.20 RIO.

20 GE Information D.20 RIO - HARDWARE USER’S MANUAL
REQUIRED TOOLS CHAPTER 2: INSTALLING THE D.20 RIO
Required tools
Before beginning the installation procedures, have the following tools and equipment
available:
• Appropriate device cables for D.20 connections (GE part number 977-0089)
• CAT5 network cables for RJ-45 Ethernet connections (GE part number 977-0209 or
equivalent)
• 12 AWG wire (minimum) for protective earth
• Flathead screwdriver with 0.6 mm by 3.5 mm blade (for terminal block wiring)
• #1 Phillips screwdriver (for panel or DIN rail mounting the unit)
• #2 Phillips screwdriver (for rack mounting the unit)
• Needle-nose pliers
• Wire cutters
• Wire strippers
• 1 ring connector, Panduit part number PV10-14R for 12 AWG [3.3 mm²] wire for
protective earth terminal
• Network settings for the device as provided by your network administrator
• Windows-based PC with any Windows-based terminal emulation software and Web
browser software installed
Unpacking the D.20 RIO
Carefully remove the D.20 RIO from its packaging. Visually inspect the unit to ensure it has
not sustained any visible damage during transit. If there are visible signs of damage, report
it immediately to the carrier.
Package contents
The following items are provided as part of your D.20 RIO shipment:
• D.20 RIO unit (GE part number 520-0231); See “D.20 RIO unit dimensions” on page 21.
• 19” rack mounting bracket (GE part number 953-4129)
• Flat panel mounting bracket (GE part number 953-4132)
• DIN rail mounting bracket, optional (GE part number 953-4019)
• Ethernet cable, 60 inch [1.5 m], (GE part number 977-0209/60) for local network
connection
• Serial null modem cable, 72 inch [1.8 m], (GE part number 977-0529/72) for local
maintenance connection
• GE Energy Product Documentation CD (GE part number 581-0002)
• 24 VDC Power supply (580-3483) or 48 VDC Power supply (580-3484),
Verify that you have received all items. GE parts include a unique number, typically in the
format XXX-XXXX, that can be used as a reference.