18
5. EtherCAT communication specification
2 x 100 Mbps (full duplex)
SM0: Mailbox output
SM1: Mailbox input
SM2: Periodic data output
SM3: Periodic data input
FMMU
(Bus memory management
unit)
FMMU0: periodic data output area
FMMU1: periodic data output area
FMMU2: Mailbox status
Application layer protocol
CoE: CANopen over EtherCAT
DC synchronous mode (SYNC0)
SDO: aperiodic data object
PDO: periodic data object
LED light
(on the RJ45 port)
EtherCAT ERR(ER) × 1
EtherCAT Link / Activity(L / A) × 2
EtherCAT RUN(RN) × 1
Application layer
specification
IEC61800-7 CiA402 Drive Profile
Support CIA402 operation
mode
Homing Mode(HM): return to origin mode
Cycle Synchronized Position Mode(CSP): periodic synchronous
position control mode
Profile Position Mode (PP): profile position control mode
Profile Velocity Mode (PV): profile speed control mode