ReLab Protocol Server Bridge Manual. (925)

Transcription

1 ReLab Protocol Server Bridge Manual (925)

2 Overview ReLab Protocol Server Bridge implements Slave capability of IEC , IEC , Modbus Serial and Modbus TCP/IP protocols with ability to turn your computer into Slave Device. The application developed for 32-bit industrial platforms and fully compatible with a TCP/IP stack and Serial interfaces. The application provides custom API with advanced features, which allow user to write into read-only registers. With the complements of ReLab Software Logic Controller (RLSLC) user can access OPC address space and perform protocol conversions. This manual explains required steps to configure these drivers.

3 Trademarks ClearControls is a registered trademark of ReLab Software LLC (2006 ClearControls. All rights reserved). Modicon, Microsoft, Intellution, Wonderware, RSView, Survalent, Kepware, Matrikon, IEC, IEEE, SEL, ABB, GE are trademarks of their respective corporations.

4 Hardware & Software Configuration Requirements Operating System (OS) Windows XP Windows Server 2003 Windows Embedded XP Windows Vista (Ultimate, Business and Enterprise) Hardware CPU 1GHz Memory 500MB Storage 50MB

5 Registering Slave Protocol (Server) Select ReLab License Manager Select an application you want to register

6 Registering Slave Protocol (Server) Click on Show Request Key button Copy the Product Key Navigate to and enter the following information: Within few minutes you will receive with registration acknowledgement and within few hours you will receive the license key. After receiving the license key from ReLab switch to Register tab, enter the license key and press Register button.

7 Configuration Adding OPC Items Open RLPSB Configuration Console (IEC Configuration Editor or Modbus Configuration Editor) Expand required OPC Server Select Items to be added to RLSLC configuration Right click and click on Select and right click specific Item Select Change Properties of Selected Item Change Item properties

8 Configuration Modifying Item Properties ITEM PROPERTIES General Name - data input control (user configurable) Description - data input control (user configurable) Immediate IO - checkbox control (YES/NO) Note: All changes are kept and delivered at the end of the scan frame RLSLC event Scale Allow scale - checkbox control (enables/disables scaling) Raw min - data input control (specified raw minimum value of the input) Raw max - data input control (specified raw maximum value of the input) Scale min - data input control (specified scaled minimum value of the input) Scale max - data input control (specified scaled maximum value of the input)

9 Configuration Modifying Item Properties Clamp Clamp low - data input control (specified low value of input clamping) Clamp high - data input control (specified high value of input clamping) Deadband Deadband - data input control (specifies deadband value of the input) Precision Precision - data input control (specifies precision of the input) Update Rate Update rate - data input control (species OPC Group update rate in milliseconds) Protocol Address data input control (see details on IEC and Modbus addressing) IEC Command Category dropdown control selector o <Multiple Values> o Undefined [0] o Double Point [1] o Step Position [2] o Integrator Total [3] o Normalized Value [4] o Scaled Value [5] Use Timestamp checkbox control (YES/NO)

10 Configuration Saving Configuration From File menu select Save Configuration Specify the name of your file and click Save button

11 Configuration Opening Default Script From File menu select Open Script and navigate to \Program Files\ReLab Software\ReLab IEC Slave\Bin directory Select IEC (Default).vbs script file for IEC Slave configuration Select Modbus-Slave (Default).vbs script file for Modbus Slave configuration

12 Configuration Deploying Configuration and Script From Tools menu select Deploy to RTE Select Configuration and Script

13 Configuration Configuring IEC Slave Protocol Right click on configuration icon (A) and select Configure Protocol from the menu A Specify device configuration properties

14 Configuration Configuring IEC Slave Protocol Control Type Description Range Address [ASDU] Address [Link] Mode [Balanced] Mode [Unbalanced] Filed Size Length [Common ASDU Address] Filed Size Length [Information Object Address] Filed Size Length [Cause of Transmission] Filed Size Length [Link Address] Time Format [Timestamp] Background Scan [Interval] Buffering [Events] Buffering [Digitals] Textbox Specifies address of the application service Textbox Specifies transmitter's address Radio Button Specifies link layer balanced mode N/A Radio Button Specifies link layer unbalanced mode N/A Selection Selection Selection Selection Selection Specifies size of the common ASDU address field Specifies size of information object address Specifies size of the cause of transmission field Specifies size of the link address field Specifies time format 1-Byte 2-Bytes 1-Byte 2-Bytes 3-Bytes 1-Byte 2-Bytes No Link 1-Byte 2-Bytes cp16 cp24 cp56 Textbox Specifies interval of background scan (sec) (sec) Textbox Checkbox Specifies number of events to be buffered by IEC Slave If checked buffers only digitals (Boolean) points otherwise buffers all points N/A

15 Configuration Configuring IEC Slave Protocol Control Type Description Range Integrated Totals [Mode] Integrated Totals [Interval] Timeouts [Test Frame Timeout] Timeouts [Master Inactivity Timeout] Quality [Transmit OPC Quality to IEC Master] Selection Textbox Textbox Textbox Checkbox Specifies integrated totals mode: Mode A - local freeze with spontaneous transmission Mode B - local freeze with counter interrogation Mode C - counter interrogation commands from the controlling station initiate the freeze, freeze with reset Mode D - counter interrogation commands from the controlling station initiate the freeze and the frozen values are reported spontaneously Specifies for Mode A interval by which the slave will report counter values to controlling station Specifies a multiplier of the Test Frame Message Example: If Master sends message with frequency of 1sec and multiplier is set to 2, the timeout will occur after two seconds. Applicable only if buffering is used. Species Master inactivity timeout. If Master doesn t sends message in specified time period (sec) the slave will consider communication loss. Applicable only if buffering is used. Specifies if OPC Qualities will be transmitted to IEC Master A B C D (ms) (sec) N/A

16 Configuration Configuring IEC Slave Protocol Click Next Button Edit TCP and Serial Port configuration parameters Click OK button to save your configuration Note: The new configuration will take effect after you deploy confirmation and script Deploy Configuration and Script.

17 Configuration Configuring IEC Slave Registers Right click on configuration icon (A) and select Configure Registers from the menu Clicking on Auto Config button will populate Protocol Address filed sequentially Double clicking on specific row will open IEC Address Interface. The address and category can be changed individually.

18 Configuration Configuring IEC Slave Registers IEC Addressing o 1 to (24-bit Integer) Refresh button will load previously saved configuration Save Config will save modified configuration Note: The new configuration will take effect after you deploy confirmation and script Deploy Configuration and Script.

19 Configuration Configuring Modbus Slave Protocol Right click on configuration icon (A) and select Configure Protocol from the menu A Edit TCP and Serial Port configuration parameters

20 Configuration Configuring Modbus Slave Registers Right click on configuration icon (A) and select Configure Registers from the menu Clicking on Auto Config button will populate Protocol Address filed based on OPC Data Type and Read/Write client access property Double clicking on specific row will open Modbus Address Interface. The address and category can be changed individually.

21 Configuration Configuring Modbus Slave Registers Modbus Addressing o Output Coils [1 to 65536] o Input Coils [ to ] o Internal Registers [ to ] o Internal Registers Bits [300001:0 to :15] o Holding Registers [ to ] o Holding Registers Bits [400001:0 to :15] Refresh button will load previously saved configuration Save Config will save modified configuration Note: The new configuration will take effect after you deploy confirmation and script Deploy Configuration and Script.

22 Appendix A IEC Slave Set Protocol Properties Parameter Description Property ID Parameter Values Default Parameter VBScript Code The slave implements IEC protocol 0 1 N MBServer.SetProtocolProp 0, 1 IEC ASDU does not contain originator 1 0 Y MBServer.SetProtocolProp 1, 0 IEC ASDU contains originator 1 1 N MBServer.SetProtocolProp 1, 1 The length of IEC ASDU address is 1 byte 2 1 Y MBServer.SetProtocolProp 2, 1 The length of IEC ASDU address is 2 bytes The length of IEC information object address is 1 byte The length of IEC information object address is 2 bytes The length of IEC information object address is 3 bytes 2 2 N MBServer.SetProtocolProp 2, Y MBServer.SetProtocolProp 3, N MBServer.SetProtocolProp 3, N MBServer.SetProtocolProp 3, 3 Timestamps are not supported 4 0 Y MBServer.SetProtocolProp 4, 0 cp16time format is supported 4 1 N MBServer.SetProtocolProp 4, 1 cp24time format is supported 4 2 N MBServer.SetProtocolProp 4, 2 cp56time format is supported 4 3 N MBServer.SetProtocolProp 4, 3 There is no link address in IEC frames 5 0 Y MBServer.SetProtocolProp 5, 0 The length of IEC link address is 1 byte 5 1 N MBServer.SetProtocolProp 5, 1

23 Appendix A IEC Slave Set Protocol Properties Parameter Description Property ID Parameter Values Default Parameter VBScript Code The length of IEC link address is 2 bytes 5 2 N MBServer.SetProtocolProp 5, 2 IEC operates in balanced mode 6 0 Y MBServer.SetProtocolProp 6, 0 IEC operates in unbalanced mode 6 1 N MBServer.SetProtocolProp 6, 1 Link Address 7 XXX N MBServer.SetProtocolProp 7, 12 ASDU Address 8 XXX N MBServer.SetProtocolProp 8, 1 Sets the background scan 9 XXX N MBServer.SetProtocolProp 9, Sets the length of buffering queue 11 XXX N MBServer.SetProtocolProp 11, 100 Buffers only digitals (Boolean) points 12 0 Y MBServer.SetProtocolProp 12, 0 Buffers all points analogs and digitals 12 1 N MBServer.SetProtocolProp 12, 1 Integrated Totals Mode-A 13 0 Y MBServer.SetProtocolProp 13, 0 Integrated Totals Mode-B 13 1 N MBServer.SetProtocolProp 13, 1 Integrated Totals Mode-C 13 2 N MBServer.SetProtocolProp 13, 2 Integrated Totals Mode-D 13 3 N MBServer.SetProtocolProp 13, 3

24 Appendix A IEC Slave Set Protocol Properties Parameter Description Property ID Parameter Values Default Parameter VBScript Code Integrated Totals calculated by IEC Slave 14 0 Y MBServer.SetProtocolProp 14, 0 Integrated Totals calculated by device The time interval when integrated totals counter values spontaneously transmitted to IEC Master 14 1 N MBServer.SetProtocolProp 14, 1 15 XXX N MBServer.SetProtocolProp 15, 600 Master Test Frame Timeout 16 XXX Y MBServer.SetProtocolProp 16, 2 Master Inactivity Timeout 17 XXX N MBServer.SetProtocolProp 16, 20 Do not transmit OPC Quality to IEC Master N N Y MBServerQuality = 0 Transmit OPC Quality to IEC Master N N N MBServerQuality = 1

25 Appendix A IEC Slave Set Data Type Configuration No Data Type Description Data Type ID Method 1 Byte 17 MBServer.Define Address, 17 2 Char 16 MBServer.Define Address, 16 3 Word 18 MBServer.Define Address, 18 4 Short 2 MBServer.Define Address, 2 5 DWord 19 MBServer.Define Address, 19 6 Integer 3 MBServer.Define Address, 3 7 Long 3 MBServer.Define Address, 3 8 Float 4 MBServer.Define Address, 4 9 Double 5 MBServer.Define Address, 5 10 Boolean 11 MBServer.Define Address, String 8 MBServer.Define Address, 8 12 Date 7 MBServer.Define Address, 7 13 Double Point 19 MBServer.DefineWithClass Address, 19, 1 14 Step Position 19 MBServer.DefineWithClass Address, 19, 3 15 Integrator Total 16 MBServer.DefineWithClass Address, 16, 2 16 Measured value, normalized value 4 MBServer.DefineWithClass Address, 4, 4 17 Measured value, scaled value 2 MBServer.Define Address, 2

26 Appendix A IEC Slave ProtCfg Configuration Interface Proxy Protocol Server package includes ProtCfg.dll (Protocol_Config.m_Interface). The library includes interface to ReLab Software Logic Controller s configuration file. The API can be used from RLSLC script and provides the following functions: Function Description Script CreateObject Creates Protocol_Config.m_Interface Object Dim Protocol_Config Set Protocol_Config = CreateObject("Protocol_Config.m_Interface") Destroys Protocol_Config.m_Interface Object Set Protocol_Config = Nothing PAddress Configures IEC protocol address space (based on configuration file) Dim PAddress() Protocol_Config.PAddress PAddress PClientAccess Configures IEC protocol client access (based on configuration file) Dim PClientAccess() Protocol_Config.PClientAccess PClientAccess PDataType Configures IEC data types (based on configuration file) Dim PDataType () Protocol_Config.PDataType PDataType PDoublePoint PTimestamp Configures IEC special data types (double point) (based on configuration file) Configures IEC timestamps (based on configuration file) Dim PDoublePoint () Protocol_Config.PDoublePoint PDoublePoint Dim PTimestamp () Protocol_Config.PTimestamp PTimestamp GetRevProtocolAddr Returns IEC reversed address (based on configuration file) Protocol_Config.GetRevProtocolAddr(Index) CheckBoolDB Retrieves reference to Boolean point which is set as double point Protocol_Config.CheckBoolDB(Item) WriteBoolDB Reverses Boolean value if p = 1 Protocol_Config.WriteBoolDB(val(i), p)

27 Appendix A IEC Slave Interoperability Unbalanced interchange Circuit V.24/V.28 Standard Transmission speed (control direction) Unbalanced interchange Circuit V.24/V.28 Recommended if >1 200 bit/s Balanced interchange Circuit X.24/X bit/s X 2400 bit/s X 2400 bit/s 200 bit/s X 4800 bit/s X 4800 bit/s X 300 bit/s X 9600 bit/s X 9600 bit/s X 600 bit/s X bit/s X 1200 bit/s X bit/s X bit/s X bit/s Unbalanced interchange Circuit V.24/V.28 Standard Transmission speed (monitor direction) Unbalanced interchange Circuit V.24/V.28 Recommended if >1 200 bit/s Balanced interchange Circuit X.24/X bit/s X 2400 bit/s X 2400 bit/s 200 bit/s X 4800 bit/s X 4800 bit/s X 300 bit/s X 9600 bit/s X 9600 bit/s X 600 bit/s X bit/s X 1200 bit/s X bit/s X bit/s X bit/s Link layer Link transmission procedure Address field of the link X Balanced Not present X transmission (balanced transmission only) 255 X Unbalanced transmission X One octet 255 X 300 bit/s X Two octets X 600 bit/s Structured X 1200 bit/s Unstructured Frame length Maximum length L (control direction) Maximum length L (monitor direction)

28 Appendix A IEC Slave Interoperability X The standard assignment of ASDUs to class 2 messages is used as follows: Type identification Cause of transmission All <2> All <20> 5,6,7,8,9,10,13,14.15,16,32,33,34,36,37 <3> Application layer Common address of ASDU Information object address Cause of transmission X One octet X One octet X One octet X Two octets X Two octets X Two octets (with originator address) X Three octets Structured Unstructured Originator address is set to zero if not used

29 Appendix A IEC Slave Interoperability PROCESS INFORMATION IN MONITOR DIRECTION No. Description Command 1 Single-point information M_SP_NA_1 X 2 Single-point information with time tag M_SP_TA_1 X 3 Double-point information M_DP_NA_1 X 4 Double-point information with time tag M_DP_TA_1 X 5 Step position information M_ST_NA_1 X 6 Step position information with time tag M_ST_TA_1 X 7 Bitstring of 32 bit M_BO_NA_1 X 8 Bitstring of 32 bit with time tag M_BO_TA_1 X 9 Measured value, normalized value M_ME_NA_1 X 10 Measured value, normalized value with time tag M_ME_TA_1 X 11 Measured value, scaled value M_ME_NB_1 X 12 Measured value, scaled value with time tag M_ME_TB_1 X 13 Measured value, short floating point value M_ME_NC_1 X 14 Measured value, short floating point value with time tag M_ME_TC_1 X 15 Integrated totals M_IT_NA_1 X 16 Integrated totals with time tag M_IT_TA_1 X 17 Event of protection equipment with time tag M_EP_TA_1 X 18 Packed start events of protection equipment with time tag M_EP_TB_1 19 Packed output circuit information of protection equipment with time tag M_EP_TC_1 20 Packed single-point information with status change detection M_PS_NA_1 21 Measured value, normalized value without quality descriptor M_ME_ND_1 30 Single-point information with time tag CP56Time2a M_SP_TB_1 X 31 Double-point information with time tag CP56Time2a M_DP_TB_1 X 32 Step position information with time tag CP56Time2a M_ST_TB_1 X 33 Bitstring of 32 bit with time tag CP56Time2a M_BO_TB_1 X 34 Measured value, normalized value with time tag CP56Time2a M_ME_TD_1 X 35 Measured value, scaled value with time tag CP56Time2a M_ME_TE_1 X 36 Measured value, short floating point value with time tag CP56Time2a M_ME_TF_1 X 37 Integrated totals with time tag CP56Time2a M_IT_TB_1 X 38 Event of protection equipment with time tag CP56Time2a M_EP_TD_1 39 Packed start events of protection equipment with time tag CP56Time2a M_EP_TE_1 40 Packed output circuit information of protection equipment with time tag CP56Time2a M_EP_TF_1

30 Appendix A IEC Slave Interoperability PROCESS INFORMATION IN CONTROL DIRECTION No. Description Command 45 Single command C_SC_NA_1 X 46 Double command C_DC_NA_1 X 47 Regulating step command C_RC_NA_1 X 48 Set point command, normalized value C_SE_NA_1 X 49 Set point command, scaled value C_SE_NB_1 50 Set point command, short floating point value C_SE_NC_1 X 51 Bitstring of 32 bit C_BO_NA_1 X SYSTEM INFORMATION IN CONTROL DIRECTION No. Description Command 100 Interrogation command C_IC_NA_1 X 101 Counter interrogation command C_DC_NA_1 102 Read command C_RD_NA_1 103 Clock synchronization command C_CS_NA_1 X 104 Test command C_TS_NA_1 105 Reset process command C_RP_NA_1 106 Delay acquisition command C_CD_NA_1 PARAMETER IN CONTROL DIRECTION No. Description Command 110 Parameter of measured value, normalized value P_ME_NA_1 111 Parameter of measured value, scaled value P_ME_NB_1 112 Parameter of measured value, short floating point value P_ME_NC_1 113 Parameter activation P_AC_NA_1 FILE TRANSFER No. Description Command 120 File ready F_FR_NA_1 121 Section ready F_SR_NA_1 122 Call directory, select file, call file, call section F_SC_NA_1 123 Last section, last segment F_LS_NA_1 124 Ack file, ack section F_AF_NA_1 125 Segment F_SG_NA_1 126 Directory {blank or X, only available in monitor (standard) direction} F_DR_TA_1

31 Appendix A IEC Slave Interoperability BASIC APPLICATION FUNCTIONS Station initialization Cyclic data transmission Read procedure Spontaneous transmission Station interrogation (Global) Direct command transmission Direct set point command transmission Background scan Description X X X X X X

32 Appendix B Modbus Slave Set Protocol Properties Parameter Property Parameter Default VBScript Description ID Values Parameter Code The slave implements Modbus protocol 0 0 Y MBServer.SetProtocolProp 0, 0 Modbus Registers Address Type Decimal Range Hex Range Data Type Client Access Output Coils H H0FFFF Boolean Read/Write Input Coils H H1FFFF Boolean Read Only Internal Registers H H Word Read Only Holding Registers H H Word Read/Write Modbus Registers Data Type Address Type Data Type Registers Num Script Interface Output Coils Boolean 1 5 Single bit Notes Input Coils Boolean 1 11 Single bit Internal Registers Byte 1 17 Internal Registers Char 1 16 Internal Registers Word 1 18 Internal Registers Short 1 2 Internal Registers DWord 2 19 Internal Registers Integer 2 3 Internal Registers Long 2 3 Internal Registers Float bit floating point value Internal Registers Double 4 5 Internal Registers String 1 8 Two characters per register Internal Registers Date 4 7 Unsigned 16 bit value bit 0 is the low bit and bit 15 is the high bit (default) Signed 16 bit value bit 0 is the low bit bit 14 is the high bit and bit 15 is the sign bit Unsigned 32 bit value bit 0 is the low bit and bit 31 is the high bit Signed 32 bit value bit 0 is the low bit and bit 30 is the high bit and bit 31 is the sign bit

33 Appendix B Modbus Slave Registers Modbus Register Types Address Type Data Type Registers Num Script Interface Holding Registers Byte 1 17 Holding Registers Char 1 16 Holding Registers Word 1 18 Holding Registers Short 1 2 Holding Registers DWord 2 19 Holding Registers Integer 2 3 First bit of Modbus register 4001C equals to * and the last bit of Modbus register 4001C equals to * Bit Modbus Modbus Modbus Register (Hex) Register (Dec) Address (Bit) C C C C C C C C C C C C C C C C Notes Unsigned 16 bit value bit 0 is the low bit and bit 15 is the high bit (default) Signed 16 bit value bit 0 is the low bit bit 14 is the high bit and bit 15 is the sign bit Unsigned 32 bit value bit 0 is the low bit and bit 31 is the high bit Holding Registers Long 2 3 Signed 32 bit value bit 0 is the low bit and bit 30 is the high bit and bit 31 is the sign bit Holding Registers Float bit floating point value Holding Registers Double 4 5 Holding Registers String 1 8 characters per register Holding Registers Date 4 7 Modbus Internal Registers & Holding Registers Bit Access

34 Appendix B Modbus Slave ProtCfg Configuration Interface Proxy Protocol Server package includes ProtCfg.dll (Protocol_Config.n_Interface). The library includes interface to ReLab Software Logic Controller s configuration file. The API can be used from RLSLC script and provides the following functions: Function Description Script CreateObject Creates Protocol_Config.m_Interface Object Dim Protocol_Config Set Protocol_Config = CreateObject("Protocol_Config.n_Interface") Destroys Protocol_Config.m_Interface Object Set Protocol_Config = Nothing PAddress Configures IEC protocol address space (based on configuration file) Dim PAddress() Protocol_Config.PAddress PAddress PClientAccess Configures IEC protocol client access (based on configuration file) Dim PClientAccess() Protocol_Config.PClientAccess PClientAccess PDataType Configures IEC data types (based on configuration file) Dim PDataType () Protocol_Config.PDataType PDataType GetRevProtocolAddr Returns IEC reversed address (based on configuration file) Protocol_Config.GetRevProtocolAddr(Index)

35 Appendix C Protocol Server (RLMOD) Method Description Script Define Defines protocol address and data type Address IEC Protocol address Type IEC Item data type MBServer.Define Address As Long, Type As Long DefineWithClass Defines protocol address and data type for double points only Address IEC Protocol address Type IEC Item data type Class Class Type MBServer.DefineWithClass Address As Long, Type as Long, Class As Long Read Reads a single configured register Address IEC Protocol address Val value MBServer.Read Address As Long, Val As Variant ReadM SetNodes SetSerial Not Applicable for Scripting Languages Reads array of configured registers Count number of registers Address IEC Protocol address Val array of values Not Used for IEC Protocol (Used to setup RS-485 nodes) MinNode minimum node number MaxNode maximum node number Serial port configuration parameters Port - 1 to 255 BaudRate to DataBits - 5, 6, 7, 8 StopBits - 0 = 1; 1 = 1.5; 2 = 2 Parity - 0 = No; 1 = Odd; 2 = Even; 3 = Mark; 4 = Space MBServer.ReadM Count As Long, Address() As Long, Val() As Variant MBServer.SetNodes MinNode As Long, MaxNode as Long MBServer.SetSerial Port As Long, BaudRate As Long, DataBits As Long, StopBits As Long, Parity As Long SetTCP Sets TCP Port Port - 1 to (Default Port: 2404) MBServer.SetTCP Port As Long SReadM Applicable for Scripting Languages Reads array of configured registers Count number of registers Address IEC Protocol address Val array of values MBServer. SReadM Count As Long, Address() As Long, Val() As Variant

36 Appendix C Protocol Server (RLMOD) Method Description Script SReadMTS Applicable for Scripting Languages Reads array of configured registers Count number of registers Address IEC Protocol address Val array of values TM array of timestamp SReadMTS. SReadM Count As Long, Address() As Long, Val() As Variant, TM As Double Start Starts Protocol Server MBServer.Start (1) Stop Stops Protocol Server MBServer.Stop SWriteM SWriteMTS Write Applicable for Scripting Languages Writes array of configured registers Count number of registers Address IEC Protocol address Val array of values Applicable for Scripting Languages Writes array of configured registers with timestamps Count number of registers Address IEC Protocol address Val array of values TM array of timestamp Writes a single configured register Address IEC Protocol address Val value MBServer. SWriteM Count As Long, Address() As Long, Val() As Variant MBServer. SWriteM Count As Long, Address() As Long, Val() As Variant, TM As Double MBServer.Write Address As Long, Val As Variant WriteM Not Applicable for Scripting Languages Writes array of configured registers Count number of registers Address IEC Protocol address Val array of values MBServer.WriteM Count As Long, Address() As Long, Val() As Variant