Telegram structure
WARNING
Danger of fatal injury due to uncontrolled operation.
Timeout monitoring is not performed when "acyclic" telegrams (type = "acyclic") are transferred. If the bus connection is interrupted, the drive can continue to run uncontrollably.
- Run the bus connection between master and MOVIMOT® inverter only with "cyclical" transmission.
The following figure shows the message structure between the RS485 master and the MOVIMOT® inverter:
Idle | = | Idle period of at least 3.44 ms |
SD1 | = | Start delimiter 1: Master → MOVIMOT®: 02hex |
SD2 | = | Start delimiter 2: MOVIMOT® → Master: 1Dhex |
ADR | = | Address 1 – 15 |
Group address 101 – 115 | ||
254 = Point-to-point | ||
255 = Broadcast | ||
TYPE | = | Payload data type |
PDU | = | Payload data |
BCC | = | Block Check Character: XOR of all bytes |
INFORMATION
