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ICDM-RX/MOD User Manual

Overview

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The routing decision making process is depicted in the following diagram:

Summary of Contents for ICDM-RX/MOD

Page 1: ...MANUAL ICDM RX MOD Modbus Router User FACTORY AUTOMATION...

Page 2: ...of Delivery for Products and Services of the Electrical Industry published by the Central Association of the Electrical Industry Zentralverband Elektrotechnik und Elektroindustrie ZVEI e V in its most...

Page 3: ...ption 22 1 8 1 2 Private Device ID Range Setting 23 1 9 Shared Memory Functionality 23 1 10 Remote Modbus Routing Capabilities 26 1 10 1 Serial Modbus Master s to Modbus TCP Slave s 26 1 10 2 Modbus o...

Page 4: ...ge 52 6 6 Modbus TCP Connections Page 54 6 7 Modbus Alias Device ID Statistics Page 55 6 8 Shared Memory Contents Page 55 6 9 Shared Memory Contents Page Shared Coil Blocks 56 6 10 System Log Page 57...

Page 5: ...the Modbus TCP application both serial and Ethernet TCP IP Raw ASCII devices can be accessed anywhere on a network from any Modbus master Modbus Router was designed to greatly enhance system maintenan...

Page 6: ...dbus RTU but a special Modbus header is included for packet identification and routing purposes Polling The process where a PLC or Application requests data on a continual basis In this operation the...

Page 7: ...s is not the same as Modbus TCP on Page 8 but does provide a very simple method of interfacing to remote devices It is used by many applications and some OPC servers Note This communication method typ...

Page 8: ...message contains a header with information designed to provide message identification and routing information The format is as follows Where The terms Master or Client are used to identify the sender...

Page 9: ...liased when messages are received from a Modbus master Device ID Offset At the serial port interface device IDs can have a positive or negative offset applied to change the device ID range Supports up...

Page 10: ...of all messages received on the TCP IP and serial Modbus ASCII messages Timing out of responses from slave Modbus devices Transfer ID verification of all remote Modbus TCP messages Parameter checking...

Page 11: ...Modbus ASCII Master over Ethernet TCP IP Slave Devices Modbus TCP Slave remote gateway or slave Modbus TCP device X X X X X Local Public Modbus RTU Serial Slave X X X X X Local Public Modbus ASCII Ser...

Page 12: ...6 3 19 12 ICDM RX MOD User Manual Overview...

Page 13: ...slaves The following connectivity can be provided in a Modbus network when using multiple ICDM RX MOD chassis with Modbus Router and Modbus TCP firmware applications Modbus Network Connectivity Grid...

Page 14: ...6 3 19 14 ICDM RX MOD User Manual Overview The following diagram demonstrates a multiple gateway Modbus network utilizing Modbus Router firmware...

Page 15: ...ICDM RX MOD User Manual Overview 6 3 19 15 The following diagram demonstrates a multiple gateway Modbus network utilizing both Modbus Router and Modbus TCP firmware...

Page 16: ...us To Slaves configured serial ports Each Modbus message is transmitted and a response is expected The ICDM RX MOD times out the Modbus messages if there is no response returned within the configured...

Page 17: ...he Modbus menu and then the Remote Modbus Configuration page 2 Click the Add Remote Configuration button 3 Configure each remote device as needed and click Save To enable the Alias Device ID capabilit...

Page 18: ...y 256 device IDs with a range of 0 to 255 Not all device IDs can be used for addressing devices Device ID 0 is reserved for broadcast messages 1 247 are for device addressing 248 to 255 are reserved f...

Page 19: ...ce ID from the Modbus master or the alias device ID All responses contain the device ID as received from the Modbus Message Routing Handler Note 4 Modbus messages sent to Modbus serial slaves Dependin...

Page 20: ...ng the Device ID Offset functionality Verify the following when configuring the Device ID Offset Check for Device ID overlaps Be certain that no two devices can have same device ID as recognized by th...

Page 21: ...n that serial bus a The slave device s are affectively protected from all other Modbus masters on the Modbus network b The master has total control of communication to the slaves on its own serial bus...

Page 22: ...guration web page contains two configuration settings that determine how the serial bus routing is controlled 1 8 1 1 Forward Broadcasts From Master Option If this option is selected all broadcast mes...

Page 23: ...device ID range and exists both as a public device on the Modbus network and as a private device on the serial bus If this situation occurs and the public device responds before the private serial de...

Page 24: ...6 3 19 24 ICDM RX MOD User Manual Overview This table shows the supported Coil Block Function Codes Function Code Description 1 Read Coils 5 Write Single Coil 15 Write Multiple Coils...

Page 25: ...ICDM RX MOD User Manual Overview 6 3 19 25 Modbus Router Shared Memory Functionality...

Page 26: ...n provides serial Modbus master s connectivity to Modbus TCP slave s This is applicable when Modbus master s are limited to serial port connectivity and require connectivity to Modbus TCP slave s or r...

Page 27: ...vity to multiple Modbus TCP slaves Multiple Modbus TCP masters require connectivity to Modbus TCP slave s that can accept only one or a very limited number of Modbus TCP connections Modbus TCP master...

Page 28: ...rt numbers and or alternate device ID s This is especially useful when There are multiple Modbus TCP slaves with the same device ID A Modbus TCP slave has multiple internal applications that are addre...

Page 29: ...aster s Required Alias Device ID Configuration 1 255 The corresponding slave device ID Required Modbus TCP Master Configuration yes no Enables the Alias conversion from Modbus TCP masters Must be enab...

Page 30: ...emote device configuration entry for the original or pre alias device ID Slave Device 1 Slave Device 2 Slave Device 3 Slave Device 4 Slave Device 5 Device ID Can be pre alias as received from master 1...

Page 31: ...ICDM RX MOD User Manual Overview 6 3 19 31 The routing decision making process is depicted in the following diagram...

Page 32: ...6 3 19 32 ICDM RX MOD User Manual Overview...

Page 33: ...n DX highlight the ICDM RX MOD that you want to configure and select Webpage Note Optionally enter the IP address of the device in the Address box of your web browser 2 Select the appropriate procedur...

Page 34: ...the PortVision DX help system for information or the appropriate installation document 2 3 Modbus Router Home Access the ICDM RX MOD Modbus Router Home page from PortVision DX or enter the IP address...

Page 35: ...ice IDs will not be accessible on this port Informational only For additional diagnostic information see the Diagnostics Menu on Page 48 3 2 Serial Port Configuration Page To access the Serial Port Co...

Page 36: ...s allowed before the received Modbus serial message is expected to be complete Discard Rx Packets With Errors Default On On or Off If selected the ICDM RX MOD drops all packets received with parity fr...

Page 37: ...from Msg ID subtracts the Device ID Offset from the message device ID Device ID Offset 0 disables Device ID Offset functionality 1 254 dependent on the Device ID Offset Mode is added to or subtracted...

Page 38: ...ved over the Ethernet TCP IP interface receive the same local and remote routing capabilities as messages received over the Modbus TCP or serial Master interfaces 4 1 1 Modbus over TCP Overview not Mo...

Page 39: ...onjunction with Connect to Mode and Connect IPAddress Connect IP Address Default 0 IP Address of application to create a connection Used in conjunction with Connect to Mode and Connect Port Note The I...

Page 40: ...the remote device must be unique The Device ID range is 1 255 0 means that it is not configured Remote IP Address IP address of the Modbus TCP device All 0s means that it is not configured Note The I...

Page 41: ...r the pre aliased device ID will be applied to the Modbus message This includes the IP address port timeout and control flags Delete If enabled that Device ID or IDs are deleted when you click the Sav...

Page 42: ...ry Coil blocks The range is 1 to 64255 Shared Holding Registers Block Specifies the block number Address Range Specifies the block address range Accept Broadcast Messages Default No If selected the Sh...

Page 43: ...2 port and 4 port models only Port 3 4 port models only Port 4 4 port models only Ethernet based masters Modbus TCP Modbus TCP master s at a specified IP address Ethernet TCP IP Ethernet TCP IP master...

Page 44: ...P connection is still lost after the number of seconds set by the TCP Keepalive value then the ICDM RX MOD closes the connection and frees all the ports associated with the connection If the ICDM RX M...

Page 45: ...w The ICDM RX MOD is shipped from the factory with the following default IPv4 network settings IPv4 address 192 168 250 250 IPv4 Netmask 255 255 0 0 IPv4 Gateway address 192 168 250 1 Security Setting...

Page 46: ...M RX MOD has been rebooted This option is enabled by default Enable SNMP This option enables or disables the SNMP security feature after you click Save and the ICDM RX MOD has been rebooted This optio...

Page 47: ...requently by SSL server code in the ICDM RX MOD when clients open connections to the ICDM RX MOD s secure web server or other secure TCP ports If a ICDM RX MOD serial port configuration is set up to o...

Page 48: ...rial port TX Message Response Count Displays the number of messages or responses transmitted out of the serial port RX Byte Count From Device Displays the number of bytes received on the serial port R...

Page 49: ...ites Read Only option being set Modbus RTU ASCII over Ethernet TCP Statistics Page TX Byte Count To Application The number of bytes transmitted out of the TCP IP connection s TX Response Count The num...

Page 50: ...nfiguration Access the Known Modbus Slave Device List page by clicking Diagnostics Modbus Diagnostics Modbus Devices The following table provides detailed information about this page Known Modbus Slav...

Page 51: ...elected Tx Broadcasts Displays the number of Modbus broadcast messages transmitted to this device Known Modbus Slave Device List Page Private Devices Device ID Displays the device ID associated with t...

Page 52: ...number of messages received with invalid command lengths Invalid Message Data Errors Displays the number of messages received with invalid message data errors These errors occur when the ICDM RX MOD r...

Page 53: ...with a different function code than what was sent Invalid Response Protocol Types From Modbus TCP Slave s Displays the number of responses with invalid protocol errors This occurs when a response is r...

Page 54: ...onnections Remote Connection The Modbus TCP master connection in IP Address Port Number format xxx xxx xxx xxx pppp Local IP Port The local TCP IP port on the ICDM RX MOD The standard Modbus TCP port...

Page 55: ...ected this applies the alias device ID configuration to messages received from serial Modbus masters Modbus over TCP Master If selected this applies the alias device ID configuration to messages recei...

Page 56: ...ared Memory block Read Messages Displays the number of read messages addressed to this Shared Memory block Blocked Writes Displays the number of write messages that were blocked or prevented from writ...

Page 57: ...ssages Displays the number of read messages addressed to this Shared Memory block Blocked Writes Displays the number of write messages that were blocked or prevented from writing to this Shared Memory...

Page 58: ...license click I accept the terms in the License Agreement and the Next button 5 Click the Next button or browse to the location you want the files stored 6 Click the Install button 7 Click Yes to the...

Page 59: ...the information can help you diagnose a problem with the ICDM RX MOD In addition this information may be requested by technical support if you have called for assistance 1 Open your browser and enter...

Page 60: ...s Isolate the ICDM RX MOD from the network by connecting the device directly to a NIC in a host system Verify that the Ethernet hub and any other network devices between the system and the ICDM RX MOD...

Page 61: ...the devices at the end of the chain so it is recommended that you overload and test for performance in your environment The OS and the application may also limit the total number of ports that may be...

Page 62: ...to connect the equipment IEEE 802 3 specification A network using repeaters between communicating stations PCs is subject to the 5 4 3 rule of repeater placement on the network Five segments connected...

Page 63: ...chs GmbH 68307 Mannheim Germany Tel 49 621 776 0 E mail info de pepperl fuchs com USA Headquarters Pepperl Fuchs Inc Twinsburg Ohio 44087 USA Tel 1 330 4253555 E mail sales us pepperl fuchs com Asia P...

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