Altivar 312 Variable Speed Drives Page 37 Accessories and Options

Communication buses and networks Functions All the functions of the Altivar 312 drive can be accessed via the communication buses and networks: Control Monitoring Adjustment Configuration The speed control and reference may come from different control sources: Logic input or analog I/O terminals Communication bus or network Remote display terminal The advanced functions of the Altivar 312 drive can be used to manage switching of these control sources according to the requirements of the application. The assignment of the communication periodic I/O data can be selected using the network configuration software. The Altivar 312 drive is controlled using the CiA 402 native profile. Communication is monitored according to criteria specific to each protocol. Regardless of protocol type, the reaction of the drive to a communication detected fault can be configured as follows: Freewheel stop, stop on ramp, fast stop or braked stop Maintain the last command received Fallback position at a predefined speed Ignore the detected fault Characteristics of the CANopen Daisy Chain card VW3A31208 (1) Structure Connector 4 connectors: 1 removable screw terminal block: v 3 logic inputs: LI1 to LI3 v 2 analog inputs: AI2 and AI3 v 1 relay output: R2 2 RJ45 connectors for daisy-chain connection to the CANopen machine bus 1 RJ45 connector for connection to the Modbus serial link (1) The other characteristics of the CANopen Daisy chain card are identical to those of the drive's CANopen protocol. See page 40. Characteristics of the DeviceNet card VW3A31209 Structure Connector 3 connectors: 1 removable screw terminal block: v 3 logic inputs: LI1 to LI3 v 2 analog inputs: AI2 and AI3 v 1 relay output: R2. 1 five-way screw connector, 5.08 pitch, for connection to the DeviceNet network 1 RJ45 connector for connection to the Modbus serial link Transmission speed 125 kbps, 250 kbps or 500 kbps, configurable using switches on the card Address 1 to 63, configurable using switches on the card Services Periodic variables ODVA AC drive type profile 20, 21, 70 and 71 ATV 312 native profile (CiA 402) 100 and 101 Exchange mode Inputs: by polling, change of state, periodic Outputs: by polling Auto Device Replacement No Communication monitoring Can be inhibited Time out can be set via the DeviceNet network configurator Diagnostics Using LEDs One two-tone LED on the card: "MNS" (status) Altivar 312 variable speed drives Communication buses & networks Accessories & Options 37 CANopen Daisy Chain card (VW3A31208) DeviceNet card (VW3A31209)

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