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Siemens 3AD8, Instruction Manual

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Siemens 3AD8 Instruction Manual Download Page 16

16

SCADA system protocols

The following SCADA system protocols are 
supported by the RCU:

1.    DNP3 over serial port

2.    Others in future.

It is important to understand that each 
protocol is different but that they all utilize 
the data in the RCU database and map it 
into the SCADA protocol in a different way. 
The mapping and other details needed to 
understand how to program the SCADA 
system master station are given in the 
relevant protocol manual. The details of the 
RCU database are given in the relevant 
protocol manual.

Figure 12: RCU functional block diagram

 

 

 

  

  

 

 

 

 

 

  

  

  

  

Short-range radio  
(built-in antenna)

Standby battery

Microprocessor

Data interface

Long-range radio  

(on radio tray)

Power supply 

system

Operator control panel 

(on radio tray)

Electronics compartment

RCU enclosure

Fusesaver communications module

RCU Connect on a PC

To SCADA system

External antenna on pole

Power supply solar panel 

115 V or 230 Vac

Summary of Contents for 3AD8

Page 1: ...Instruction manual Type 3AD8 remote control unit RCU operating instructions Installation operation maintenance IC1000 F320 A198 X 4A00 Answers for infrastructure and cities www usa siemens com fusesaver ...

Page 2: ...her a qualified person shall also be familiar with the proper use of special precautionary techniques personal protective equipment insulation and shielding materials and insulated tools and test equipment Such persons are permitted to work within limited approach of exposed live parts operating at 50 volts or more and shall at a minimum be additionally trained in all of the following The skills a...

Page 3: ...Siemens Industry Inc The warranty contained in the contract between the parties is the sole warranty of Siemens Industry Inc Any statements contained herein do not create new warranties or modify the existing warranty Table of contents Introduction 04 05 Receiving handling and storage 06 08 Description 09 19 Control of Fusesaver 20 23 Installation 24 40 RCU commissioning 41 51 RCU operation 52 55 ...

Page 4: ...ten or verbal communications please provide the complete description from the operating instructions quote the serial number and use only the designations and key numbers for subparts used in these locations Contact the nearest Siemens representative if any additional information is desired Introduction Safety instructions The RCU together with the accessories and special tools also supplied is in...

Page 5: ...ersions Application Applicable versions RCU firmware 100 RCU Connect V1 4 0 0 Table 1 Compatibility Additional instructions In addition to this manual a protocol manual detailing the configuration options for each communications protocol is available The utility may also be supplied with an RCU manual supplement which details the type of radio fitted the radio cable and SCADA system protocol detai...

Page 6: ...evident Check the cardboard box for shipping damage Major damage must be documented photographically Ensure that any damage to the cardboard box is confirmed by the transport company Inspection and unpacking Inspect the equipment as soon as possible after receipt for any damage that may have occurred in transit Before unpacking examine the package itself as a damaged package may indicate damage to...

Page 7: ...when possible When total inspection cannot be made on vehicle prior to unloading close inspection during unloading must be performed and visible damage noted on the delivery receipt Take pictures if possible 3 Any visible damage must be noted on the delivery receipt and acknowledged with the driver s signature The damage should be detailed as much as possible It is essential that a notation possib...

Page 8: ...ithout a clear bill of lading Approved methods are employed for preparation loading blocking and tarping of the equipment before it leaves the Siemens factory Any determination as to whether the equipment was properly loaded or properly prepared by shipper for over the road travel cannot be made at the destination If the equipment is received in a damaged condition this damage to the equipment has...

Page 9: ...o and a long range radio or modem The long range radio or modem is not supplied or fitted by Siemens unless specifically included in the sales contract The microprocessor retrieves data from the FS using the short range radio and sends it to the SCADA system using the long range radio Incorporated into the RCU is a power supply system with a standby battery and provision for auxiliary power connec...

Page 10: ...abilized plastic shade hood This shade hood fulfills two functions 1 Reduces the affect of enclosure heating from direct sunlight onto the top of the enclosure 2 Provides an aperture for the short range radio in the RCU to send and receive signals to and from the Fusesavers above At the rear of the RCU enclosure there is a ground connection stud and a number of apertures fitted with cable glands t...

Page 11: ... Door switch E Battery B LED display F USB Ethernet lineman operator panel and radio interface connectors C Connector covers G Power supply and ground earth connection D Toggle switches H Battery fuse A Figure 5 Electronics housing C B D E H F G Figure 6 LED indicator display Item Description A Green light ON power source solar or auxiliary power providing power Light OFF no incoming power B Green...

Page 12: ...d the optional FS operator control panel The radio tray hinges down and allows access to the radio behind When in the hinged UP position the tray provides a degree of protection from driving rain The maximum allowable dimensions for the radio are Enclosure heater Width Height Depth Without 7 9 200 mm 6 3 160 mm 4 1 105 mm With 7 9 200 mm 6 3 160 mm 2 8 70 mm Table 2 Radio dimensions Figure 8 Radio...

Page 13: ... the isolator and the isolator provides sockets for the electronics assembly and for the heater The isolation unit is required if The RCU is mains powered and if it is preferred to provide a point of isolation inside the enclosure for changing the electronic housing Note that the user will still need to provide a point of isolation for the wiring to the RCU An enclosure heater is fitted Figure 9 F...

Page 14: ... and a utility SCADA system To do this the RCU uses its configuration to find and access installed and running Fusesavers mounted on the power pole It communicates with the Fusesavers using its built in short range radio The Fusesavers are installed on each of the phases of the power line and are organized to work as a set to control that line One two or three Fusesavers can be organized in this w...

Page 15: ...r control panel optional which connects to the microprocessor to provide additional status displays and controls for an operator RCU internal database and controls The RCU maintains an internal database which can be accessed by a SCADA protocol The database consists of three parts Points from the Fusesavers such as open closed or line current Points from the RCU itself such as door open or remote ...

Page 16: ...stand how to program the SCADA system master station are given in the relevant protocol manual The details of the RCU database are given in the relevant protocol manual Figure 12 RCU functional block diagram Short range radio built in antenna Standby battery Microprocessor Data interface Long range radio on radio tray Power supply system Operator control panel on radio tray Electronics compartment...

Page 17: ... the RCU refer installation details in the Solar panel supply on page 33 The solar panel is connected into the terminal compartment to a dedicated set of terminals as an alternative to the auxiliary power supply Siemens can assist with determining the correct power rating of solar panels or a suitable solar panel can be supplied by Siemens The RCU monitors the solar supply in two ways 1 The RCU ch...

Page 18: ... indicates 50 percent of the battery charge has been consumed is measured If this time is too short then it indicates that the battery capacity is severely reduced and the battery is at end of life and the battery replacement flag is set This requires the radio average current to be correctly configured see the relevant protocol manual for more information Time in service After a battery has been ...

Page 19: ...ware versions covered in this instruction manual Only one interface can be used at a time The use of the Ethernet interface increases the power consumption of the RCU A custom cable is required to connect the radio modem to the RCU interface The design and construction of this cable must be performed by the customer referring to Radio modem interface electrical section on page 65 or as a value add...

Page 20: ...ing functions 1 View RCU status and event information 2 Issue trip and close commands to the Fusesavers via the RCU The RCU must have remote control switch set to ON for this to be possible 3 Change protection modes in the FS via the RCU RCU must have remote control switch set to ON for this to be possible 4 Issue a command to the FS to force the protection to be armed regardless of whether there ...

Page 21: ...will trip and stay in the open state 5 Fast mode Fusesaver protection is set to instantaneous The Fusesaver will automatically close after the dead time The Fusesaver can be put into any of these modes from the following inputs 1 The external lever of the Fusesaver When the lever is pulled down the protection mode is forced to the mode defined in Fusesaver policy file This always overrides the cur...

Page 22: ... to the excessive cleared fault parameters set in the RCU The RCU analyzes cleared fault events from Fusesavers and keeps a running tally of the number of cleared faults that occur on the line within a configurable time frame An attempt to match cleared fault events from different phases is made by using a 30 s time match window in order to count simultaneous multiple phase faults as one event for...

Page 23: ...lts functionality These are The time window size specified in seconds maximum of 65 535 seconds 18 2 hours and The number of cleared faults that occur within the time window maximum of 16 Setting either the number of cleared faults or the sliding window size fields to zero disables the feature ...

Page 24: ...sider all parts as energized until they are de energized tested for absence of voltage and grounded To prevent damage to the RCU operators should always use electrostatic discharge ground straps when operating the equipment if it is in a high static environment Installation guidelines The RCU should be installed on the lower portion of the pole The RCU is not connected to high voltage Subject to l...

Page 25: ...of either bolting or strapping of the bracket to the pole A combination of one bolt and a strap is also acceptable so long as the upper restraint is bolted The RCU weighs approximately 33 lbs 15 kg The means of securing the RCU to the pole must be suitable for this weight The battery should not be installed until after the RCU is secure to the pole The recommended installation sequence is 1 Mount ...

Page 26: ... B C D E If the battery is connected with reversed polarity the battery fuse will blow When installing the battery do not pinch or damage the battery connection wires The battery should be removed prior to removing the RCU from a pole and for any transport Refer to Battery replacement on page 57 Solar panel mounting The solar panel assembly is intended to be pole mounted onto timber steel concrete...

Page 27: ... panel depends upon the latitude of the site as follows a For latitudes 30 install solar panel at 30 angle to the horizontal b For latitudes 30 and 45 install the solar panel at 45 angle to the horizontal Most of the U S is located between 30 and 45 Southern areas southern portions of Texas Louisiana Florida and all of Hawaii are less than 30 Northern states e g Washington to Maine and Alaska have...

Page 28: ...e pole as the RCU within 6 6 ft 2 m vertically of the RCU Facing South in the Northern Hemisphere and North in the Southern Hemisphere With no shading of the panel except within one hour of sunrise and sunset This is vital to ensure correct operation of the solar panel Any shadow that falls over any part of the panel significantly degrades the panel output If this condition cannot be met then the ...

Page 29: ...e version 1 Item Description A Solar panel facing south B RCU facing northeast C Fusesaver A B Figure 22 North south line version 2 Item Description A Solar panel facing southwest B RCU facing southeast C Fusesaver A B Figure 23 East west line version 2 Item Description A Solar panel facing south B RCU facing northwest C Fusesaver A B C C C C ...

Page 30: ...r to the RCU The supply to the RCU must be protected at its source with fuses and an isolating means Fuses must be sized to protect 16 AWG 1 5 mm2 wire Ground connection between the ground terminal of the power connection compartment and the RCU enclosure ground must be undamaged and intact Ensure that the voltage selector in the power supply compartment is selected to match the auxiliary power su...

Page 31: ...al insulation is be cut back as shown in Figure 25 The wire size of each core is to be in the range 16 AWG to 12 AWG 1 5 mm2 to 4 mm2 It is preferable to terminate the wires with crimps as shown Hazardous voltages Will cause death or serious injury If IP 3x rating for terminal compartment is breached through incorrect auxiliary power wire installation this creates a situation of possible electric ...

Page 32: ...place torque 13 in lb 1 5 Nm using screwdriver Unless the RCU is operated from a dedicated power transformer mounted on the same pole it is recommended to install surge arresters on both the incoming auxiliary power wires with the arresters grounded to the RCU enclosure ground to the external enclosure ground earth stud Figure 26 Auxiliary power cable connection details Item Description A Active w...

Page 33: ...the RCU 3 The auxiliary power supply cable is fed through the gland in the power isolation unit Ensure the gland seals around the insulation of the auxiliary power supply cable 4 The two power wires of the auxiliary power supply cable are connected into the power isolation unit terminal block and tightened in place Connect the ground wire as shown Ensure the correct wire is installed into the matc...

Page 34: ...or safe operation The fuse and the isolating means must be located at the source end of the circuit For most primary voltage ratings Siemens can supply a suitable VT Hazardous voltages and high speed moving parts Will cause death serious injury and property damage Do not work on energized equipment Always de energize and ground the lines before working on the equipment De energize and isolate auxi...

Page 35: ...ces for grounding the RCU enclosure Improper grounding can expose operator to high voltage The RCU cubicle must be bonded to ground using the M12 enclosure ground earth stud provided to meet the safety requirements of the utility The ground wire must be 6 AWG 16 mm2 in size or larger It is the user s responsibility to provide the ground wire Item Description A Ground wire B Ground grid or ground r...

Page 36: ...g additional grounding is required using ground wire of 6 AWG 16 mm2 in size or larger One side of the VT secondary must be grounded to the VT ground stud to create a defined neutral wire in the supply to the RCU In the line wire a service fuse and point of isolation should be fitted The VT mounting frame must be connected to the RCU enclosure ground stud and to the ground grid or ground rod If th...

Page 37: ...onto the radio tray and tighten in place with the M5 nuts using the 8 mm socket Torque to 26 in lb 3 Nm 7 Fit the radio tray back into the RCU enclosure taking account of antenna connections and connection to electronics compartment 8 If an antenna surge arrester is fitted recommended ground it to the M6 ground stud in the enclosure 9 Connect the appropriate radio cable user to supply or can purch...

Page 38: ... 3 Windows XP service pack 3 or higher When first run the user is guided to select the Windows folder that will hold the utility s configuration files The default folder is Siemens RCU Connect created under the user s application data folder in Windows It is recommended to use the default location File Description dotNetFx40_Client_ x86_x64 exe An executable file for the installation on a PC RCUCo...

Page 39: ...s for Windows Vista To install drivers on Windows Vista and Windows XP first plug in the USB antenna and when prompted for drivers direct the installer to the USB2 drivers folder 1 Select the Install from a list or specific location Advanced checkbox 2 Click Next 3 Browse to the USB2 drivers folder that you installed 4 Click Next The installation is now complete In some instances after plugging in...

Page 40: ...be found in section RCU commissioning on page 41 Location of installed files The installer will default to installing the program files in the standard Windows folders which depend on the operating system Windows 7 and Windows Vista Default Location Program ProgramFilesFolder Siemens RCU Connect which is usually C Program Files x86 Siemens RCU Connect Configuration file folders AppDataFolder Sieme...

Page 41: ...hich wireless short range connection can be made to the RCU with RCU Connect It is advised to connect the USB antenna to the PC using a short USB extension cable so the antenna can be placed away from the body of the notebook computer and pointed towards the RCU RCU commissioning This section will explain how to do the following 1 Use RCU Connect to create and maintain templates for various instal...

Page 42: ...tails of the RCU specific configuration settings Layout templates The RCU configuration template specification form KMS 3100 also allows the user to specify the visibility to each configuration item as displayed in RCU Connect Each configuration item can be set to be Open for the end user to enter data freely into the field Read only to display data in a field without being able to modify it Chall...

Page 43: ...irectory created previously and click OK See Figure 38 Browse for folder dialog box This will import the template files into the correct location for RCU Connect to use in future Template folder management RCU Connect provides a shortcut to the configuration template folder by clicking the Open Templates Folder button This will open Windows Explorer starting at the configuration templates folder F...

Page 44: ...ser will be returned to the main menu After passing the challenge screen the user will see a screen similar to that shown in Figure 40 The configuration template currently in use is shown in the box labelled Configuration The layout file is displayed in the title bar of the RCU Connect window Just below the Configuration box are the configuration settings to be addressed for each RCU site deployme...

Page 45: ...dit Protocol Mapping button These items are usually very sensitive to change and entering this screen requires the user to complete the challenge box The user will then see a screen similar to Figure 41 the actual screen shown will depend on the protocol used by the customer From this screen the user can change the protocol database point mapping Double clicking on a protocol database point will r...

Page 46: ...ayout files or the user has more than one layout file RCU Connect will open a file selection box allowing the user to locate and select the desired layout file A layout file must be selected or the user will be returned to the main menu If RCU Connect cannot find any configuration templates or the user has more than one configuration template RCU Connect will open a file selection box allowing the...

Page 47: ...own at the bottom of Figure 43 will provide a visual indication that communications is in progress The Configure RCU menu allows the user to perform the following tasks Fill in the configuration fields for a RCU Load a specific RCU configuration that was previously saved Save a specific RCU configuration for later use Send a configuration to a RCU 7 When the Configure RCU menu is shown the data in...

Page 48: ...hen sends the configuration to the RCU by clicking the Send Configuration to RCU button This should be the last action that is performed for this RCU on the RCU Configuration screen as once the user sends the configuration to the RCU the RCU restarts and the dialog box shown in Figure 46 will appear The user can click OK to return to the main menu Figure 46 RCU Connect the RCU restarts after the c...

Page 49: ... view RCU data and data about the connection the RCU has to the Fusesaver line From the Maintain Check RCU screen see Figure 47 the user can also save the configuration restart the RCU and set the clock on the RCU this can be useful if a connection to the SCADA network has not been made for example when testing in the workshop In the RCU Status section the user can find information regarding the b...

Page 50: ...t has been configured with the wrong customer number However by following the above method the configuration will be cleared from the RCU and it will then be available for configuration by the user SCADA protocol testing It is usual for each utility to configure the SCADA protocol and exhaustively test every point and control This can be very difficult and time consuming to achieve without the sup...

Page 51: ...otection mode to always be allowed irrespective of the position of the remote control on off switch Setting options are True The RCU will allow controls from the panel to be sent to the FS irrespective of the position of the remote control on off switch False The RCU will disable all controls from the control panel if the remote control switch is on Note that when this setting is true both the loc...

Page 52: ...vers to remote SCADA control except the Remote Control toggle switch is set to I It is possible to permit Fusesaver trip controls from a SCADA system even though the remote control on switch is in the OFF position refer to Configuration parameters on page 23 Fusesaver operator control panel If a Fusesaver operator control panel is fitted in the RCU then the local user has a much greater range of l...

Page 53: ... applied then the LEDs will stop blinking and the Fusesaver state will remain as previously indicated The operator panel can be turned off by pressing the Panel ON button again the LED lights will go out or by closing the RCU door Each of the buttons on the Fusesaver Operator Control Panel has the following functionality Panel on The control panel will be off when the cubicle door is opened and is...

Page 54: ...sible to issue controls to Fusesavers that are already in the control state e g sending a PROT ON control to Fusesavers that are already have protection on In this scenario the RCU will still send the control to the Fusesavers The control in progress LEDs will begin to flash but will stop soon after as the Fusesavers are already in the desired state Remote The remote operator i e the SCADA operato...

Page 55: ...time may be lost and must be reset when power is restored to the RCU usually the SCADA protocol will do this On power up the RCU acquires time from the following sources in this order The battery backed up clock The SCADA system The Fusesaver time master if SCADA time not acquired The RCU sets time for the line Fusesavers every 24 hours and when time is set by the SCADA system Fusesaver availabili...

Page 56: ...e side of the battery compartment Software version installed in the RCU This is displayed in RCU Connect maintenance tab when connected to the RCU Details of any customer specific equipment installed including radios modems or RCU accessories fitted In case of a genuine electronic failure the entire electronics compartment will need to be returned to Siemens for analysis repair or replacement The ...

Page 57: ...ch off and on again The protocol LEDs can be observed and voice communication with the SCADA operator will confirm receipt of the data Accessory spare part Order number Battery 12 V 7 2 Ah lead acid 3AX1350 6A Solar panel kit 65 W 3AX1350 6B Fusesaver operator panel 3AX1350 8C Table 6 Spare parts Spare parts Spare parts must only be replaced by qualified personnel Battery replacement The RCU monit...

Page 58: ...gh speed moving parts Will cause death serious injury and property damage Do not work on energized equipment Always de energize and ground the lines before working on the equipment Tools required to replace electronics compartment 4 mm Allen key recommend T handle Torque driver 1 5 Nm Phillips no 2 screwdriver Small flat screwdriver Replacement process The following process should be followed by s...

Page 59: ...ey Torque to 13 in lb 1 5 Nm 11 Remove the power compartment cover using the Phillips head screwdriver 12 Fit the ground wire connected to the internal RCU enclosure ground stud into the terminal block as shown in Figure 51 Tighten in place 13 Complete remainder of installation as in Control of Fusesaver section of this user manual beginning on page 20 Figure 50 Screws holding electronics compartm...

Page 60: ...the mains solar or battery supply toggle switches with a connected supply 4 The Ethernet connected LED will start flickering quickly for between 2 3 s This indicates the firmware update is in process If this does not occur restart sequence from step 1 5 At end of the upload sequence all LEDS on the display will synchronously blink red green to signify upload successful 6 Power off the RCU again an...

Page 61: ...will verify the FS configuration is still OK which can take up to five minutes for a single phase and during this time no data will be displayed for that FS No control source local In order to carry out FS controls via the control panel the control source must indicate local control is allowed There are a number of reasons why the control source local would not be lit Control source Siemens Connec...

Page 62: ...tors whereas the RCU verifying the FS configuration after having lost communications will result in the FS status data for that phase being no data Button press rejected If the operator presses the control button for more than 5 s or presses more than one button at the same time the button press will be ignored Fusesaver control does not complete When an operator presses a FS control the control i...

Page 63: ...been incorrectly fitted or adjusted Settings are not made in accordance with Siemens specifications After installation and setting no final test is performed by a qualified person including documentation of the test results To keep documentation complete it is important that measurement results are submitted to the local competent Siemens office Disposal The materials of the RCU should be recycled...

Page 64: ...c 92 133 50 W 150 W Table 7 Auxiliary power supply voltage details Ambient conditions and installation height Figure 52 Ambient conditions 113 F 45 C 22 F 30 C 95 The maximum installation height is 9 800 3 000 m above sea level The minimum temperature listed requires installation of an enclosure heater The minimum temperature limit for RCUs without a heater is 5 F 15 C The RCU is designed for outd...

Page 65: ...is typically 20 mA when a serial data interface is employed and 120 mA when the Ethernet interface is employed Radio modem interface electrical A cable or cables is required between the radio modem and the RCU electronics compartment to carry data signals and power Siemens can design and assemble this cable as a value added service or the utility can design and make their own using the information...

Page 66: ... interface The signal supply itself is also available on pin 22 Maximum output current for all lines is 10 mA Serial data connector Pin Signal Level RCU electronics input output 1 GND 2 DTR RS232 Output 3 TXD RS232 Output 4 RXD RS232 Input 5 DCD RS232 Input 6 Radio power supply positive Configured 3 Vdc or 9 Vdc or battery Output 7 PTT Clean contact Output 8 GND 9 GND 10 DTR 3 V 9 V configurable O...

Page 67: ...signals Conforms to RS232 standard Dimensions and weights Mass Without battery 33 1 15 With battery 39 7 18 Table 9 Dimensions and weights in lbs kg Figure 54 RCU dimensions in inches mm 11 9 303 11 6 294 24 609 ...

Page 68: ...to avoid site errors Asset number The user can use this optional setting to assign their own internal asset number to the RCU for this site This asset number is available for transmission over the SCADA system as a string SPID_2 Maximum of 32 characters available Protocol address Most SCADA protocols require a unique site address refer relevant protocol manual supplement RCU power supply settings ...

Page 69: ...ays Condition based command settings The RCU configuration has parameters that allow configuration of the excessive cleared faults functionality These are The time window size specified in seconds maximum of 65 535 s 18 2 hours The number of cleared faults that occur within the time window maximum of 16 Fusesaver operator control panel settings Enable Fusesaver operator control panel If no RCUs ha...

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Page 72: ...ll only exist if expressly agreed in the terms of contract All product designations may be trademarks or product names of Siemens AG or supplier companies whose use by third parties for their own purposes could violate the rights of the owners Subject to change without prior notice Order No IC1000 F320 A198 X 4A00 All rights reserved Printed in USA 2014 Siemens Industry Inc Siemens Industry Inc 70...

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