Inovance AC800 Series - Communication Specifications

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AC800 Series Intelligent Machine Controller Hardware User Guide 5 Wiring
No. Port Function
2 LAN B Modbus/TCP communication port
3 LAN C
EtherCAT master port
4 LAN D
5.5.1 Communication Speci󶍾cations
1. Gigabit Ethernet speci󶍾cations
Number of ports and hardware characteristics
2 standard Ethernet interfaces: LAN A which supports standard MODBUS/TCP protocol, and LAN B which
supports program download and monitoring.
Supported protocols and settings: MODBUS/TCP
Item Modbus/TCP master/slave
Station No. 1~247
Communication rate 10M/100M/1000M adaptive Ethernet Interface
Data length 8 bits
Parity bit None, odd, even
Stop bit 1,2
Max. number of
stations
64
Special function Diagnosis
2. EtherCAT communication speci󶍾cations
The LAN C and LAN D interfaces support EtherCAT communication:
Item Speci󶍾cations
Communication protocol EtherCAT protocol
Service supported FoE, CoE (PDO, SDO)
Min. sync period of 12-axis cam 500 us (typical)
Max. synchronous jitter ±40 us
max. number of axes 256
Synchronization mode
Distributed clock for the servo and I/O
synchronization for I/O
Physical layer 100BASE-TX
Baud rate 100 Mbit/s (100Base-TX)
Duplex mode Full duplex
Topology Ring topology
Transmission medium
Network cable, see the next section for cable
speci󶍾cations
Transmission distance Less than 100 m between two nodes
Number of slaves 256
EtherCAT frame length 44–1498 bytes
Process data Max. 1486 bytes per Ethernet frame
Synchronization jitter of two slave
stations
< 1 us
Update time
About 30 us for 1,000 digital inputs and
outputs
About 100 us for 32 servo axes
Ring network Not supported
Auto scan Supported