Read these instructions carefully and look at the equipment to become
familiar with the device before trying to install, operate, or maintain it. The
following special messages may appear throughout this bulletin or on the
equipment to warn of potential hazards or to call attenti on to information tha t
clarifies or simplifies a procedure.
The addition of either symbol to a “Danger” or “Warning” safety label
indicates that an electrical hazard exists which will result in personal injury if
the instr uctions are not followed.
This is the safety alert symbol. It is used to alert you to potential personal
injury hazards. Obey all safety messages that follow this symbol to avoid
possible injury or death.
DANGER
DANGER indicates an imminently hazardous situation which, if not
avoided, will result in death or serious injury.
WARNING
WARNING indicates a potentially hazardous situation which, if not
avoided, can result in death or serious injury.
CAUTION
PLEASE NOTE
CLASS A FCC STATEMENT
CAUTION indicates a potentially hazardous situation which, if not
avoided, can result in minor or moderate injury.
CAUTION
CAUTION, used without the safety alert symbol, indicates a potentially
hazardous situation w hi ch , if n ot a vo ide d, can result in property damage.
NOTE: Provides additional information to clarify or simplify a procedure.
Electrical equipmen t should be i nstalled, opera ted, serviced, and maintained
only by qualifie d p ers on nel . Th is document is not in ten ded as an instructio n
manual for untrained person s. No resp onsibility is assume d by Square D for
any consequences arising out of the use of this manual.
This equipment has been tested and found to comply with the limits for a
Class A digital device , pursuant to part 15 of the FCC Rules. These limi ts are
designated to provide reasonable protection against harmful interference
when the equipment is operated in a commercial environment. This
equipment generates, uses, and can radiate radio frequency energy and, if
not installed and u sed in acco rdance with the instruct ion manual, may cause
harmful interference to radio communic ations. Operation of this equipment in
a residential area is likely to cause harmful interference in which case the
user will be required to correct the interference at his own expense.
OVERVIEWThe Power Server is a self-contained device that can be used to transfer
power system informati on through a web browser an d an Ethernet local area
network (LAN) or a wide area network (WAN). It is designed specifically for
industrial and commercial applications, making it possible to view system
information from a standard web browser. Figure 1–2 on page 2 illustrates
this application. An optional touc h screen displ ay (Square D part n o. SD700)
is also available for viewing the Power Server locally.
Using an embedded POW ERLOGIC System Setup applicatio n, the Power
Server also provides setup capabilities for system components. The
Power Server can be used to create communications connections and
configure device settings for devices connected to a serial daisy chain, as
well as other Modbus/Jbus devices located on the Ethernet network.
Two models are available. PWRSRV710 is the basic model. The other
model, the PWRSRV750, has the s tan dard f eatures of the PWRSRV710 as
well as enhanced capabilities. These enhanced capabilities include
graphical diagram views, active alarm and alarm log views, and historical
data and waveform report views.
When integrated into a system using System Manager™ Software (SMS),
the Power Server can also serve as an Ethernet gateway for the local
system. As illustrated in Figure 1–3 on page 2, the Power Server provides
Ethernet routing from the SMS ap plica tion to the de vices on the seri al daisy
chain.
Power Server used as a
component of the
POWERLOGIC System
30703059
Figure 1–2: The Power Server used as a standalone system monitoring device
POWERLOGIC Enterprise System
Internet
View reports via
Internet browser
Web browser
Optional
touch screen
Mixed-mode daisy chain
Firewall
POWERLOGIC
Enterprise System
Internet
via Ethernet
via
Modem
Firewall
PUSH application
sending data to
enterprise
Power Server used as
a gateway
PC with
System Manager
Software (SMS)
30703054
NOTE: The shaded area depicts a POWERLOGIC Enterprise System. Contact
POWERLOGIC Engineerin g Serv ic es for i nfor ma tion on this type of applicat ion .
Figure 1–3: The Power Server used as a gateway device with SMS and a web server
• Only qual ified workers should insta ll th is equipment. Such work shoul d
be performed only after reading this entire set of instructions.
• NEVER work alone.
• Turn off al l powe r suppl ying t his equ ipme nt before worki ng on or inside .
• Always use a properly rated voltage sensing device to confirm that all
power is off.
• Before performing visual inspections, tests, or maintenance on this
equipment, disconnect all sources of electric power. Assume that all
circuits are live until they have been completely de-energized, tested,
and tagged. Pay particula r attenti on to t he desi gn of the power system .
Consider all sources of power, including the possibility of backfeeding.
• Beware of potential hazards, wear personal protective equipment,
carefully inspect the work area for tools and objec ts that may have been
left inside the equipment.
• Use caution while removing or installing panels so that they do not
extend into the energized bus; avoid handling the panels, which could
cause personal injury.
• The successful operation of this equipment depends upon proper
handling, installation, and operation. Neglecting fundamental
installation requ irements may l ead to perso nal injury as well as dam age
to electrical equipment or other property.
• Before performing Dielectric (Hi-Pot) or Megger testing on any
equipment in which the Power Server is installed, disconnect all input
and output wires to it. High voltage testing may damage electronic
components contained in the Power Server.
Failure to follow these instructions will result in death or serious
injury.
MOUNTINGThe Power Server is designed to be mounted directly on a 1.38 in (35 mm)
DIN rail. The unit has a snap-on DIN rail connector on the back (see
Figure 3–2). No tools are required. Mount the Power Server in a clean, dry,
well ventilated are a. Allow 15.75 in (400 m m) on the DIN rail fo r mounting the
Power Server and power supply. Also, allow 3 in (76 mm) clearance above
the Power Server for heat ventilation.
CONNECTIONS SUMMARYThe Power Server connections are described in this chapter. Table 4–1
briefly descr ibes each conn ection.
Table 4–1: Connections description
ConnectionDescription
UTP Port
Control PowerThree-pin connector for 24 Vdc connection.
COM 1 RS-232 RS-232 serial port for configuring network settings using a PC.
COM 2 RS-232 Touchscreen serial cable port.
COM 3 RS-485
COM 4 RS-485
VGA outputConnect to touchscreen.
Ethernet connection. Standard RJ-45 port for connection of
unshielded twisted-pair (10/100 BaseT) Ethernet cable. Category
5 recommended.
RS-485 comm ports for connecting POWERLOGIC or Modbus/
JBUS devices to the Power Server.
Chapter 4—Connections63230-216-207/A3
Control Power9/2002
CONTROL POWERThe Power Server accepts 24 Vdc control power with maximum power
consumption of 28 watts. A 50-watt power supply is recommended for this
application (order Square D part no. PS080).
NOTE: Check for proper polarity before applying power to the unit.
FusingWe recommend using one 2 A fast-blow fuse as shown in Figure4–2 and
Figure 4–3 on page 11.
GroundingThe Power Server is connected to ground via the co ntrol power ground
connection. Figure 4–2 depicts the recommended groundin g method for the
Power Server when used with po w er sup pl y PS 080 . If gro und ing th e Po wer
Server to local equipment, refer to Figure 4–3 on page 11.
NOTE: The control power source must be properly grounded.
Power Server
+
–
2 A Fast-Blow Fuse
recommended
24 Vdc
–
Power Supply
(PS080)
+
LN
100–240 Vac
Source
Figure 4–2: Power Server grounding to power supply PS080
Chapter 4—Connections63230-216-207/A3
RS-232 Serial Ports9/2002
RS-232 SERIAL PORTSThe Power Server has two RS-232 serial communications ports.
30703006
COM 1
Figure 4–4: COM 1 and COM 2 ports
COM 1COM 1 is the port used for co nfiguring the Powe r Server. When you attach a
laptop or PC to this port, you can follow the instructions in this bulletin to
configure the network settings of the PowerServer. See “Configuring the Power Server Communication Connection” on page 17 for complete
instructions.
COM 2
COM 2COM 2 is the serial port used if you are using the optional touch screen
RS-485 PORTSTable 4–2 shows the default values for each of the RS-485 ports.
Table 4–2: Default Values for RS-485 Ports
ValueDefault Setting COM 3 and COM 4
Type4-wire
Baud Rate Speed19200
ParityEven
NOTE: On a 4-wire mixed mode (POWERLOGIC and Modbus) daisychain,
device address 1 c annot be a POW ERLOGIC or SY/MAX d evice and de vice
address 16 cannot be a Modbus device.
Each RS-485 port is a male DB-9 connector with the pin-out arrangement
shown in Figure 4–5.
2345
Male DB-9 of
Power Server
1
67 8
9
SHIELD
Tx+
Tx–
Rx+
Rx–
Figure 4–5: Male DB-9 connector (master port)
Two D B9-t o-te r mi nal bl ock ad ap ters (fem al e) [Sq ua re D part no. DB9F2TB]
are included with the Power Serv er . To connect the dais y chain of d evices to
the RS-485 port, att ach an adapt er to a Belden 8 723 or equiva lent cable a nd
plug the adapter into the COM 3 or COM 4 port on the Power Server. Wire
the cable and adapter as shown in Figure4–6.
NOTE: Because of pin out configurations, it is necessary to make these
connections as described. Square D cable CAB-107 is not compatible with
this application.
Figure 4–6: Typical POWERLOGIC standard device connection to
Power Server
13
Chapter 4—Connections63230-216-207/A3
Connecting 4-Wire Devices as 2-Wire9/2002
Biasing and TerminationEach RS-485 port has built-in communications signal biasing and
termination circuitry. Thus, a multipoint communications adapter is not
needed. However, an end-of-line terminator (Square D part no. MCT-485 o r
MCTAS-485) is required on the last device of each daisy chain. Refer to the
instruction bulletin for the last device on the daisy chain.
CONNECTING 4-WIRE DEVICES
AS 2-WIRE
Two DB 9-to-terminal block adapters (female) [Square D pa rt no . D B9F 2TB]
are included with the Power Server. Use an adapter to connect a 4-wire
device as 2-wire to the Power Server . Re fer to Figu re 4–7 and follow these
steps:
1. On the DB9F2TB adapter, jumper the Rx+ and Tx+ terminals together,
and jumper the Rx– and Tx– terminals together.
2. Connect the Rx+/Tx+ terminals to the L+ line.
3. Connect the Rx–/Tx– terminals to the L– line.
4. Plug the DB9F2TB adapter into the RS-485 port on the Power Server.
DB9F2TB to
Power Server
Typical 2-wire
POWERLOGIC device
L –
L +
Shield
1
2
3
4
5
6
7
8
9
Tx –
Rx +
Shield
Tx +
Rx –
30703011
14
Figure 4–7: T ypic al 2-wire POWE RLOGIC dev ice conne ction to Power
COMMUNICATIONS WIRINGThe maximum number of devices supported on a single daisy chain is
determined based on bau d rate, th e leng th of the dais y chai n, and the typ es
of RS-485 devices (2-wire/4-wire) on the daisy chain. The RS-485 interface
supports daisy chains as specified in Table 4–3 and Table 4–4.
Table 4–3: Daisy Chain Maximum Distances 4-Wire
Baud Rate
120010,000 ft (3,048 m)10,000 ft (3,048 m)
240010,000 ft (3,048 m)5,000 ft (1,524 m)
480010,000 ft (3,048 m)5,000 ft (1,524 m)
960010,000 ft (3,048 m)4,000 ft (1,219 m)
192005,000 ft (1,524 m)2,500 ft (762 m)
384004,000 ft (1,219 m)1,500 ft (457 m)
1–16 Devices17–32 Devices
Maximum Distances*
*Due to the volume of RS-485 devices in the field, this table is only to be used as a guide and
was tabulated based on POWERLOGIC 4-wire devices and POWERLOGIC 4-wire devices
that support 2-wire connections.
Table 4–4: Daisy Chain Maximum Distances 2-Wire
Baud Rate
120010,000 ft (3,048 m)10,000 ft (3,048 m)
240010,000 ft (3,048 m)5,000 ft (1,524 m)
48009,000 ft (2,743
96006,000 ft (1,829 m)4,000 ft (1,219 m)
192003,000 ft (915 m)2,500 ft (762 m)
384002,000 ft (610 m)1,500 ft (457 m)
1–8 Devices9–16 Devices
Maximum Distances*
m)5,000 ft (1,524 m)
*Due to the volume of RS-485 devices in the field, this table is only to be used as a guide and
was tabulated based on POWERLOGIC 4-wire devices and POWERLOGIC 4-wire devices
that support 2-wire connections.
63230-216-207/A3Chapter 5—Setup
9/2002Summary of Setup Steps
CHAPTER 5—SETUP
SUMMARY OF SETUP STEPSThis chapter desc ribes the st eps fo r setting up the Powe r Serve r. To do this ,
you perform these main tasks:
1. Configure the Power Server c ommunication connecti on using your laptop
or PC.
2. Configure the PowerLogic System application using NetMeeting.
CONFIGURING THE POWER SERVER
COMMUNICATION CONNECTION
Using a Null Modem Serial Cable to Configure
the Power Server
To set up the Power Server communication connection, you will need to
obtain a unique static IP addre ss, subnet mask, and router IP address from
your network administrator.
Two methods of configuration are possible:
• Use a null modem serial cable and HyperTerminal. See Using a Null
Modem Serial Cable to Configure the Power Server in the section that
follows. This method is recommended.
• Use an Ethernet cross-over cable and NetMeeting. This method is
described in Appendix C—Usin g a Crossove r Cable to Configure the Power Server on page 33.
1. Connect and apply power to the Power Server. Allow ap prox im ate ly fiv e
minutes for the Power Server to complete the boot process.
2. Connect the null modem cabl e fr om the s erial p ort on your PC to CO M 1
of the Power Server.
Figure 5–1: Null modem connection for Power Server configuration
3. From your PC, open the HyperTerminal accessory. From the Windows
Explorer taskbar, click Start > Programs > Accessories >
Communications > HyperTerminal.
NOTE: This path is typical for W indows 2000 and Windows XP. The path
may differ for other platforms.
30703012
17
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