MLC Connectivity to SLC 500 via DeviceNet

Equipment Needed for Connecting MLC 9000 BCM Allen-Bradley SLC 500 CPU 5/02 or higher 5/02 smallest CPU to support M0/M1 File Transfer Allen-Bradley 1747-SDN DeviceNet Scanner Allen-Bradley RSNetworx or DeviceNet Manager Software RSLogix PLC Programming Software PC Interface(i.e 1770-KFD for programming) DeviceNet Cabling Thick Trunk Cable with Mini-Connectors Thin Drop Cable with Micro or Mini-Connectors T-Connectors Terminating connectors(110 Ohms)

How SLC500 Communicates with 1747-SDN Two methods used I/O Transfer 1747 occupies 32 Input Words and 32 Output Words 1 word of input, 1 word of output used for module status and command 62 words available for devices Intended for devices transmitting small blocks of information Proximity and Photoelectric Switches “Slice” I/O Valves

How SLC 500 Communicates with 1747-SDN Block Transfer via M0/M1 Files M1 File 150 Words Available for Input from Network Devices (M1:1.0-M1:1.149) 74 Diagnostic Words (M1:1.150-M1:1.223) 32 Words for Inbound Explicit Message Control (M1:1.224-M1:1.255)

How SLC 500 Communicates to 1747-SDN Block Transfer via M0/M1 Files M0 File 150 Words of data used for output to network devices (M0:1.0-M0:1.149) 74 Words Reserved/Unused (M0:1.150-M0:1.223) 32 Words used for outgoing explicit message control (M0:1.224-M0:1.255)

How MLC 9000 Communicates with 1747-SDN MLC 9000 Gateway Converts DeviceNet Messages from Scanner into Modbus Messages to Bus Control Module Uses Polled Messaging for Implicit I/O Connection One Loop Control Module takes up 16 Bytes of Input and 6 Bytes of Output Uses Explicit Messaging to gain access to parameters not supported through implicit connection

Implicit I/O Connection Data

Setting Up PC to Communicate via DeviceNet In RSLinx, Select Communications and Configure driver

Setting Up PC to Communicate via DeviceNet Under Available Driver Types, select DeviceNet Drivers and select Add new

Setting Up PC to Communicate via DeviceNet Select 1747-SDNPT

Setting Up PC to Communicate via DeviceNet Select Processor to Connect to and slot where 1747-SDN resides

Setting Up PC to Communicate via DeviceNet 1747-SDNPT-1 should be seen running

Setting Up SLC500 to Pull Information from 1747-SDN Start RSLogix and Select File-New

Setting Up SLC500 to Pull Information from 1747-SDN Select processor from list

Setting Up SLC500 to Pull Information from 1747-SDN From Menu Tree, Select IO Configuration then add 1747-SDN into Slot 1 of Rack

Setting Up SLC500 to Pull Information from 1747-SDN Highlight on Rung in Ladder Window

Setting Up SLC500 to Pull Information from 1747-SDN Insert one Normally Closed Contact and Two Copy Instructions into Rung 1 Copy Instructions move data from M0/M1 Files to usable data areas

Setting Up SLC500 to Pull Information from 1747-SDN Last Rung Energizes Output Run coil and disables in event of error in module Download to PLC and place in Run Mode

Configuring the DeviceNet Network To Configure Network, Gateway EDS file must be installed EDS (Electronic Data Sheet) carries configuration properties for DeviceNet products Start RSNetworx then select Tools-EDS Wizard

Configuring the DeviceNet Network Select Register EDS File then select Choose File

Configuring the DeviceNet Network Select A: Drive then select West0456 Click Open

Configuring the DeviceNet Network Wizard will run test on EDS

Configuring the DeviceNet Network Wizard will prompt you to associate a graphic icon with EDS

Configuring the DeviceNet Network This will finish the EDS Installation

Configuring the DeviceNet Network Select 1747-SDN from Device List

Configuring the DeviceNet Network Insert MLC 9000 Gateway form Device List

Configuring the DeviceNet Network Double Click on 1747-SDN and select Scanlist

Configuring the DeviceNet Network Click on arrow to add Gateway to 1747-SDN’s scanlist Select edit I/O parameters

Configuring the DeviceNet Network Adjust the Polled Rx and Tx parameters to match the number of I/O taken up by LCM’s 16 bytes of Rx and 6 bytes Tx for every LCM (up to 8 LCM’s)

Configuring the DeviceNet Network Select Input Select Memory Type M file Select AutoMap

Configuring the DeviceNet Network Select Output Select Memory Type M file Select AutoMap

Configuring the DeviceNet Network From Main Screen, select Tools then Node Commissioning Nodes must be commissioned with proper baud rate and node address before the configuration can be downloaded to network Select Browse

Configuring the DeviceNet Network Select 1747-SDNPT from list of drivers RSNetworx will detect connected devices Select Node to adjust

Configuring the DeviceNet Network Change Node Address and click Apply if changes are needed

Configuring the DeviceNet Network To prepare for download, network connection must be established online first Click Network, then Online

Configuring the DeviceNet Network After Online connection established, select network-download to network to send configuration