Wiener PL512 User manual

8. June 2010 1 *00679.A1
PL512
Modular Power Supply System
Technical Manual

General Remarks
The only purpose of this manual is a description of the product. It must not e interpreted as
a declaration of conformity for this product including the product and software.
W- e-Ne-R revises this product and manual without notice. Differences of the description in
manual and product are possi le.
W- e-Ne-R excludes completely any lia ility for loss of profits, loss of usiness, loss of use
or data, interrupt of usiness, or for indirect, special incidental, or consequential damages of
any kind, even if W- e-Ne-R has een advises of the possi ility of such damages arising
from any defect or error in this manual or product.
Any use of the product which may influence health of human eings requires the express
written permission of W- e-Ne-R.
Products mentioned in this manual are mentioned for identification purposes only. Product
names appearing in this manual may or may not e registered trademarks or copyrights of
their respective companies.
No part of this product, including the product and the software may e reproduced,
transmitted, transcri ed, stored in a retrieval system, or translated into any language in any
form y any means with the express written permission of W- e-Ne-R.
Control Cabinet
In the context of this user manual, the control ca inet must fulfill the requirements on fire-
protective enclosures according to EN 60950 / IEC 60950 / UL 60950.
All devices are intended for operation in control ca inets or in closed areas. The LAN
connection and all wire connections etween the different system parts must e done via
shielded ca le with conductive connector shells, which are fixed with screws.
Furthermore, an additional fire-protective enclosure is required which must not affect proper
air circulation.
Mains Voltage and Connection
The Power supplies are equipped with a “World”- mains input (rated voltage range: 100-240
VAC, frequency: 50-60 Hz, rated current: 16 A). Before connecting to the mains please
dou le-check correspondence.
The mains input connection at the power supply side is descri ed in chapter 2.1 (AC Mains
Connection) at page 2.
Safety
After connecting the Power ox to the mains, the mains input module is powered
permanently. Filter and storage capacitors of the power factor correction module are charged
with a out 400VDC. Any DC-On-Signal as well as a power switch at control oard (if any
installed) operates as a low voltage DC on/off switch only and not as a mains reaker.
Therefore it becomes dangerous if the box cover is open. n this case a lot of
components on high voltage potential get touchable!
Before starting any kind of work inside the power box remove
the unit from mains and wait a couple of minutes with your
activities! Discharge the primary DC filter-capacitors by use of
a well insulated 22 ohm 10W resistor.
We recommend in case of any malfunction to send the power
box to Wiener or to one of our representative for service
20. June 2006 i *00679.A1

Declaration of Conformity
Low Voltage Directive 73/23/EEC and EMC Directive Art. 10.1 of 89/336/EEC
W-e-Ne-R
Plein & Baus GmbH
declare under our own responsi ility that the product
PL5 / PL6, F8-12
tems: 0P00.xxxx; 0P01.xxxx; 0P04.xxxx; 0M11.xxxx;
0M21.xxxx
is in accordance with the following standards or standardized documents:
1. EN 60 950-1:2001
+ Corr:2004-09 Niederspannungsrichtlinie [low voltage
directive]
2. EN 61 000-6-3:2001 Störaussendung EMA [RF emission]
EN 55 022:1998
+ Corr:2001 + A1:2000 Kl. B
Störspannung [conducted noise]
EN 55 022:1998
+ Corr:2001 + A1:2000 Kl. B
Störfeldstärke [radiated noise]
EN 61 000-3-2:2001 O erschwingungen [harmonics]
EN 61 000-3-3:1995 +Corr:1997 +A1:2001 Spannungsschwankungen [flicker]
3. EN 61 000-6-2:2001 Störfestigkeit EMB [immunity]
EN 61 000-4-6:1996 + A1:2001 HF-Einströmung [injected HF currents]
EN 61 000-4-3:1996 + A1:1998 + A2:2001 HF-Felder [radiated HF fields] incl.
”900MHz”
EN 61 000-4-4:1995 + A1:2001 Burst
EN 61 000-4-5:1995 + A1:2001 Surge
EN 61 000-4-11:1994 + A1:2000 Spannungs-Variationen [voltage
variations]
EN 61 000-4-2:1995 + A1:1998 + A2:2001 ESD
Conditions:
This unit is not a final product and is foreseen for use inside a closed ca inet. The supplying
of loads over long distances (>3m) needs possi ly additional RF rejection hardware to get in
conformity of the definition. Admitted for powering y all mains.
Name and signature of authorized person Place and Date
Juergen Baus
Techn. Director Aug. 2006
20. June 2006 ii *00679.A1

Contents
General Remarks..............................................................................................................i
Declaration of Conformity...............................................................................................ii
1 General Information............................................................................................................1
2 PL512 Power Box...............................................................................................................2
2.1 AC Mains Connection................................................................................................2
2.2 Main Switch................................................................................................................3
2.3 USB Connector...........................................................................................................3
2.4 Ethernet Connector....................................................................................................3
2.5 Water Cooling Connection (Optional)......................................................................3
2.6 Global Reset nput (Optional)..................................................................................4
2.7 Channel-Wise nterlock nput (Optional)...............................................................5
2.8 Global Stop and Start nputs (Optional)..................................................................6
2.9 Alphanumeric Display (Optional).............................................................................7
2.9.1 LED Description...................................................................................................7
2.9.2 Function of the Switches......................................................................................7
2.9.3 Main Operating Modes and Associated Su menus...............................................8
2.10 Power Output and Sense Connections....................................................................9
3 PL512 Control and Setup via USB....................................................................................10
3.1 nstallation................................................................................................................10
3.2 The Main Window....................................................................................................11
3.3 Description of the Menu tems................................................................................12
3.3.1 Read Power Supply Data From File Dialog.........................................................13
3.3.2 Output Configuration Dialog...............................................................................13
3.3.3 Glo al and Network Configuration Dialog..........................................................14
4 We Server........................................................................................................................15
5 SNMP Control...................................................................................................................15
6 OPC Server........................................................................................................................15
7 The MARA Power Bin......................................................................................................17
Appendix A: Data Sheet.......................................................................................................18
Appendix B: Ordering Information......................................................................................21
Appendix C: SNMP OID Tree.............................................................................................22
Appendix D: Parallel Connection of Output Channels.........................................................25
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Figures
Figure 2.1: PL512 Front Side with Interlock and Water-Cooled Option......................2
Figure 2.2: PL512 Front Side with isplay Option.....................................................2
Figure 2.3: PL512 Rear Side (Power Output Connections)......................................8
Figure 7.1: MARA Power Bin...................................................................................16
Figure 7.2: Current Bar imensions........................................................................24
Figure 7.3: Two Channels Parallel...........................................................................25
Figure 7.4: Three Channels Parallel........................................................................25
Figure 7.5: Four Channels Parallel..........................................................................25
Tables
Table 1: AC Mains Input Connector Pin Assignment.................................................2
Table 2: USB Connector Pin Assignment..................................................................3
Table 3: Ethernet Connector Pin Assignment............................................................3
Table 4: Global Reset Connector Pin Assignment.....................................................4
Table 5: Channel-Wise Interlock Connector Pin Assignment.....................................5
Table 6: Sense Connector Pin Assignment...............................................................9
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1 General nformation
Features
●up to 12 independent processor controlled, potential free outputs
●up to 3 kW DC output power
●Programmable output voltage, current limit and rise/fall time
●Measurement of output voltages and current
●Fully controlled, programmable trip thresholds (min./max. sense voltage, max
terminal voltage, max. current, power, temperature)
●PC-Control (connected to USB) with free available software
●Ethernet connection EEE 802.3 10BASE-T and EEE 802.3u 100BASE-TX
●WWW-Server integrated, full control via SNMP protocol
●OPC server available
●Three different voltage regulation modes programmable: Fast – Moderate - Slow
●Extremely low noise and ripple
●CE conform EN 50 081/82 part 2 or 1, safety in accordance with EN 60 950
●Sinusoidal mains current EN 61000-3-2
●Optional alphanumeric display
●Optional global interlock
●Optional channel-wise interlock
●Optional direct water cooling
●Optional Power Bin: Exchange of the power box without disconnecting the cabling
to the load
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2 PL512 Power Box
The PL512 front appearance differs slightly, depending on the existing options.
2.1 AC Mains Connection
The AC input connections are made with the Hirschmann connector series ST.
We recommend the mating ca le plug STAK3N with the locking retainer STASI3.
AC Input Pin Signal Comment
1
Phase
2
Return, Neutral
Ca le wire color: lack or rown wire
Ca le wire color: lue
3
unused
Earth Protective Earth Safety Ground, Ca le wire color: green / yellow
Ta le 1: AC Mains Input Connector Pin Assignment
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Figure 2.2: PL512 Front Side with Display Option
Figure 2.1: PL512 Front Side with Interlock and Water-Cooled Option

2.2 Main Switch
The green illuminated rocker switch works as a glo al inhi it input.
●0 Power outputs disa led
●I Switch is lighting, power outputs may e ena led y the remote control.
This switch is a logic switch only. It does not disconnect the mains supply.
With the Alphanumeric Display Option the switch is omitted.
2.3 USB Connector
USB Socket Pin Signal Comment
1
VCC
2
D-
3
D+
4GND
Ta le 2: USB Connector Pin Assignment
This is the standard USB connector type B.
2.4 Ethernet Connector
RJ45 Socket Pin Signal Comment
1
TX+
2
TX-
3
RX+
4
GND 1
5
GND 1
6
RX-
7
GND 2
8
GND 2
Ta le 3: Ethernet Connector Pin Assignment
This is the standard NIC configuration. You need a 1:1-ca le to connect a to a HUB, or a
cross-over cable to connect to another NIC (e.g. a computer). There is no automatic signal
crossing like with some routers.
2.5 Water Cooling Connection (Optional)
The water connections are made with quick couplings series LC 6.4 mm from Colder
Products Company (CPC). We recommend an el ow mating plug with shutoff, e.g.
LCD230-04.
Consider that water inlet and water outlet are not exchangea le.
The safety valve may not e readjusted y the customer.
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2.6 Global Reset nput (Optional)
The glo al reset input (POWER_INHIBIT) is provided to force all outputs to e switched
off.
●connected to GND Power outputs disa led
●floating Power outputs may e ena led y the remote control
DSUB25 female Pin Signal Comment
1
NC
reserved
14
NC
reserved
2
NC
reserved
15
NC
reserved
3
NC
reserved
16
NC
reserved
4
NC
reserved
17
NC
reserved
5
NC
reserved
18
NC
reserved
6
NC
reserved
19
NC
reserved
7
NC
reserved
20
NC
reserved
8
NC
reserved
21
NC
reserved
9
NC
reserved
22
NC
reserved
10
NC
reserved
23
NC
reserved
11
NC
reserved
24
NC
reserved
12
NC
reserved
25
GND
Ground of the aux. supply, connected to USB ground
13
POWER_INHIBIT
Inhi it input
Ta le 4: Glo al Reset Connector Pin Assignment
The signals shall e connected y an isolated contact (e.g. relays), and must not e connected
to other potentials.
The input has an internal 10 kΩ pull-up resistor to 5V and an input impedance of 10 kΩ.
It is possi le to invert the logic of this signal y changing a jumper switch inside of the
power ox..
Jumper at Pin POWER_INHIBIT Input Functionality
1 – 2 open power disa led (INTERLOCK)
connected to GND power ena led
2 – 3 open power ena led
connected to GND power disa led (RESET)
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2.7 Channel-Wise nterlock nput (Optional)
The channel-wise interlock inputs are provided to force a dedicated output to e switched
off.
DSUB25 female Pin Signal Comment
1
Interlock U0 +
14
Interlock U0 -
2
Interlock U1 +
15
Interlock U1 -
3
Interlock U2 +
16
Interlock U2 -
4
Interlock U3 +
17
Interlock U3 -
5
Interlock U4 +
18
Interlock U4 -
6
Interlock U5 +
19
Interlock U5 -
7
Interlock U6 +
20
Interlock U6 -
8
Interlock U7 +
21
Interlock U7 -
9
Interlock U8 +
22
Interlock U8 -
10
Interlock U9 +
23
Interlock U9 -
11
Interlock U10 +
24
Interlock U10 -
12
Interlock U11 +
25
Interlock U11 -
13
reserved
Ta le 5: Channel-Wise Interlock Connector Pin Assignment
Each interlock input is galvanically isolated (optocouplers). If a channel is interlocked, it is
not possi le to switch it on.
Signal level:
interlocked: -10 V ... +0.8 V
not interlocked: +2.2 V ... +10 V (input impedance 1 kΩ + LED, so higher input
voltages can e used if an external resistor is implemented.)
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2.8 Global Stop and Start nputs (Optional)
This inputs allow to switch off the outputs channels (emergency stop) or to switch on all
power supply outputs (e.g. used for maintenance) .
DSUB25 female Pin Signal Comment
1
NC
reserved
14
NC
reserved
2
NC
reserved
15
NC
reserved
3
NC
reserved
16
NC
reserved
4
NC
reserved
17
NC
reserved
5
NC
reserved
18
NC
reserved
6
NC
reserved
19
NC
reserved
7
NC
reserved
20
NC
reserved
8
NC
reserved
21
NC
reserved
9
NC
reserved
22
NC
reserved
10
NC
reserved
23
NC
reserved
11
NC
reserved
24
NC
reserved
12
STOP
reserved
25
GND
Ground of the aux. supply, connected to USB ground
13
START
Inhi it input
Ta le 6: Glo al Stop and Start Connector Pin Assignment
The signals shall e connected y a dry contact (e.g. relay), and must not e connected to
other potentials.
The input has an internal 330 Ω pull-up resistor to 5V and an input impedance of 1 kΩ.
Signal Functionality
STOP If this signal is connected to GND (dry contact close), all power supply
outputs are switched off. This functionality has priority over all other
functions, it is not possi le to switch outputs on in this state
START If this signal is connected to GND (dry contact close), all power supply
outputs are switched on. They will only e switched off in case of an
emergency switch off caused y the supervision logic of the power supply.
If this signal is not connected (dry contact open), power supply outputs
may e switched on/off via SNMP or with the display control.
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2.9 Alphanumeric Display (Optional)
This option allows the setup and display of some power supply items with toggle switches.
2.9.1 LED Description
●Power LED (green, 5mm) Lighting if the PL512 is operating. Channels may e
on.
●Status LED (green, 3mm) Lighting if the main processor is working properly .
●Overheat (yellow) Lighting if the operating temperature inside of the
power supply is too high.
●SYS FAIL (red) Processor malfunction.
2.9.2 Function of the Switches
After the PL512 has een switched on y pushing the “Power” switch up, the main operation
modes can e selected y pushing the “Mode Select” switch up or down.
Many main operating modes do have one or more su menus, which can e accessed y a
special procedure.
You will use the following switches of the PL512:
Sym ol Description Remarks
P▲ Push “Power” switch up (ON) Main power supply is off:
Switch the power supply on. All power
channels are off.
Display shows a switched off channel:
Switch this channel on.
Submenu:
OK utton. Used to enter the selected
su menu, request to change a value, accept
the changes.
P▼ Push “Power” switch down
(OFF)
Display shows a switched off channel:
Switch the main power supply and all
channels off.
Display shows a switched on channel:
Switch this channel off.
Submenu:
CANCEL utton. Used to leave a su menu,
discard the changes.
M▲ Push “Mode Select” switch up Main operating mode:
Select the next operating mode.
Submenu:
Change the selected item to the next possi le
state.
M▼ Push “Mode Select” switch
down
Main operating mode:
Select the previous operating mode.
Submenu:
Change the selected item to the previous
possi le state.
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The following example descri es the detailed steps to enter a su menu and change the IP
gateway address.
Description Switch Display 1
switch the crate on P▲ U0 5.01V 1.2A
select the requested main
operation mode
M▲ or M▼ (until right mode is
displayed)
TCPIP: no link
enter su menu M▲(push and hold), P▲ Config: Wait
hold oth switches up Config: Wait...
after 4 seconds you can Config: Ready !
release the switches TCPIP Address
1 2.168. 1.80
Select su menu “TCPIP
Gateway”
M▲ or M▼ (until right menu is
displayed)
TCPIP Gateway
1 2.168. 1. 4
Enter this menu P▲ 1 2.168. 1. 4
Change the value M▲ or M▼ 1 6.168. 1. 4
Accept change, to next item P▲ 1 6.168. 1. 4
Accept change, to next item P▲ 1 6.168. 1. 4
Accept change, to next item P▲ 1 6.168. 1. 4
Ready, ack to su menu
selection
P▲ TCPIP Gateway
1 6.168. 1. 4
Ready, leave su menu M▼ TCPIP: no link
2.9.3 Main Operating Modes and Associated Su menus
Operating
Mode
Su menu Display
Display voltage and current of the selected output channel U0 5.01V 72.A
Display the TCP/ P connection state
Possi le values & sym ols are:
no link (no ca le connected)
10M (connected to 10M network)
100M (connected to 100M network)
HD (half duplex)
FD (full duplex)
↓, ↑, ↕ (Frame received, transmitted, oth)
Ethernet 100M FD
1 Display: Two lines: displayed alternating, alternate ackground color: linking
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Operating
Mode
Su menu Display
Change the TCP/IP address TCPIP Address
1 2.168. 1.80
Change the TCP/IP su net mask TCPIP SubnetMask
255.255.255.224
Change the TCP/IP gateway address TCPIP Gateway
1 2.168. 1. 4
Allow writes (e.g. switch on/off) via the we
server
HTTP:read/write
Change TCP/IP negotiation settings TCPIPnegotiation
AutoNegotiation
Display of the ethernet hardware address (MAC).
This address is written at the type plate, too.
TCPIP MAC Addres
0050-C22D-C231
Change the TCP/IP port of the we server HTTP Port 80
Change the TCP/IP port of the SNMP server SNMP Port 161
Restore the default SNMP settings (community
strings)
SNMP Default No
2.10 Power Output and Sense Connections
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Figure 2.3: PL512 Rear Side (Power Output Connections)

The low voltage DC output at the rear side of the power supply is provided y 4 mm sockets
(Figure 2.3: PL512 Rear Side). The channels are arranged from left to right starting with U0.
Positive output is up and negative output is down.
The sense lines are routed to three DSUB connectors (four channels each).
DSUB9 male Pin Left Connector (U0..U3) Middle Connector (U4..U7) Right Connector (U8..U11)
1 U0 Sense + U4 Sense + U8 Sense +
6 U0 Sense - U4 Sense - U8 Sense -
2 U1 Sense + U5 Sense + U9 Sense +
7 U1 Sense - U5 Sense - U9 Sense -
3 U2 Sense + U6 Sense + U10 Sense +
8 U2 Sense - U6 Sense - U10 Sense -
4 U3 Sense + U7 Sense + U11 Sense +
9 U3 Sense - U7 Sense - U11 Sense -
5 not connected not connected not connected
Ta le 7: Sense Connector Pin Assignment
3 PL512 Control and Setup via USB
The PL512 can e controlled with the MUSEcontrol software. Without the Display option
this is the only way to change the network (TCP/IP) settings.
The USB interface is primarily intended to e used to configure the
power supply. The Ethernet connection is designated for remote control
and monitoring.
Requirements
●X86-Computer with USB connection (USB2 recommended)
●Microsoft Windows XP
Features
●Setup of the TCP/IP network parameters
●Glo al overview of all power supply channels
●Detailed configuration of the power supply channels
●Save and reload of configuration data
3.1 nstallation
The installation software (MUSEcontrol-x.x.x.x.msi) is free availa le at the download area
of our we site (www.wiener-d.com → Support → Downloads).
Please install the software efore connecting the power supply to the
USB. The necessary USB-driver is included in the installation.
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After downloading and executing the
software Windows may complain that the
supplier of the software could not e
verified. Ignore this warning and select
“Execute”.
Next the MUSEcontrol Setup Wizard
welcome screen is displayed. Click “Next”,
accept the license agreement and take a
look at the ReadMe notes.
Now you may change the default
installation folder and start the installation.
Now connect the PL512 with your mains
supply and use an USB ca le to connect the computer with the PL512.
The computer will detect the new connected hardware and ask to connect to Windows
Update. Select “No” and click “Continue”.
Then accept the “Automatic install the software” selection y clicking “continue”.
Now the USB driver software e installed. To access your power supply, execute the
“WIENER USB Power Supply Control” application via your start menu.
3.2 The Main Window
After starting the application the main window shows a channel overview.
The measured sense voltage (Usense), current (Imodule) and terminal voltage (Umodule)
and a glo al status of
each channel are
displayed.
Clicking with the left
mouse utton at a
channel toggles the
power state (OFF → ON
or ON → OFF).
Clicking with the right
mouse utton opens the
output configuration
menu of this channel.
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3.3 Description of the Menu tems
●File » Read Power Supply Configuration from File
Opens the Read Power Supply Data From File Dialog.
●File » Save Power Supply Configuration to File
Saves the complete power supply configuration to disk.
●Switch » All On
●Switch » All Off
Switches all power supply channels on or off.
●Switch » Group 1 On
●Switch » Group 1 Off
●Switch » Group 2 On
●Switch » Group 2 Off
This are commands to demonstrate the grouping functions of the PL512. The default
factory setting is group 1 for channels 0..5 and group 2 for channels 6..11.
●SelectOutput
Select the next existing channel for the other dialogs. The current channel is
displayed at the title ar.
●DVM
Opens a large window showing the measurement data of one channel.
●OutputConfiguration
Opens the Output Configuration Dialog.
●OutputCali ration
This dialog is reserved for service personal.
●System » Configuration
Opens the Glo al and Network Configuration Dialog.
●System » Firmware Update
Allows to update the firmware of the main processor.
●Stop
●Start
Allow to interrupt and resume the communication with the PL512.
●Help » Info
Here you have access to the version num er of the software.
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3.3.1 Read Power Supply Data From File Dialog
This dialog can e
used to copy a XML
configuration file
from disk to the
PL512.
It is possi le to copy
each configuration file
channel to its
corresponding power
supply channel (e.g.
U0 → U0, U1 →
U1, ...) or to copy one
configuration file
channel to multiple power supply channels.
3.3.2 Output Configuration Dialog
This dialog allows the detailed configuration of each power supply channel.
The Measurement group shows the measured sense voltage, terminal voltage and current.
The sense voltage is the voltage at the sense lines, which are connected to the load. Terminal
voltage means the voltage at the terminals of the PL512.
Depending on the used modules, an analog or digital value of the most critical point of the
power module is displayed.
The power of the load and the output power of the module are calculated values.
In the Nominal Values group
the nominal values of the
output voltage, the maximum
current which the power
supply will source efore it
switches into constant-
current mode, and the
voltage rise and fall rates are
entered.
If the No Ramp at Switch O
check ox is checked, the
Ramp Down value is only
used if the nominal voltage is
changed. If the voltage is set
to 0, the channel ramps down
to zero and than switches off.
But using the OFF utton to
switch off cuts off the output
voltage immediately.
The voltage regulation
parameters can e modified
with the Moderate
Regulation check ox. If
unchecked, the standard (PI)
regulator is used. This is the
fastest regulation, ut may
start ringing with wires to the
load longer than 1 meter.
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In this situations the advanced (PID) regulator of the Moderate Regulation should e used.
If the load is connected with really long or high-inductance ca le, the Slow Regulation check
ox should e checked additionally. This increases the time constant of the I-Regulator.
The Control and Status group has uttons to switch the channel on or off. In case of any
errors they are displayed here, too.
The Supervision group contains all items which the microcontroller can o serve. In case of
exceeding a limit, a dedicated action can e assigned to each item.
It is possi le to
●ignore the failure (not possi le at max. terminal voltage, max power and max.
temperature: the power supply has to protect itself)
●switch this channel off
●switch all channels with the same group num er off
●switch all channels of the power supply off
The Identification group contains just a single item, the group num er of the channel.
Many SNMP network commands can address a single channel (identified y the channel
num er) or a group (identified y the group num er), so it is possi le to access different
channels with only one network message.
3.3.3 Glo al and Network Configuration Dialog
In the Network group ox you enter the
TCP/IP network settings (IP address,
su net mask and default gateway). You
have to use the parameters of your
local network here. Please contact your
network administrator for details.
HTTP and SNMP port num ers should
only modified if you know what you
do. Setting any port to 0 disa les the
server.
If the “Channels Switch On with Main
Switch” check ox in the Other group
ox is checked, all output channels are
switched on if the main switch is
switched on.
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4 Web Server
The PL512 has a uilt-in we -server which allows the monitoring of the power supply with a
standard we rowser.
5 SNMP Control
The SNMP (Simple Network Management Protocol) is generally used to monitor and control
computers and network routers.
WIENER claimed a specific part of the SNMP namespace and implemented power supply
specific items there. Protocol version 1 and 2c is implemented.
The tree view of the implemented items is appended in 7 SNMP OID Tree.
A detailed description of the SNMP functionality can e found in the corresponding MIB file
(WIENER-CRATE-MIB.txt)
If you are new to SNMP the www.Net-SNMP.org we site is a good start.
6 OPC Server
A server according to OPC Data Access V2.05 is optional availa le.
OPC (OLE for Process Control) allows fast and secure access to data and information under
Windows operating systems. As an industry-spanning, multi-vendor software interface, OPC
minimizes connection and maintenance overheads.
This server, running on a Computer with the Microsoft Windows XP operating system,
ena les access to all controllers which are connected to the network (TCP/IP). It is possi le
to
●access from any OPC Client application to the data of one or more servers
●encapsulating the properties specific to the server and type of communication
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