Users Manual

CONFIDENTIAL AND PROPRIETARY
The Information contained in this document shall remain the sole exclusive property of s.m.s, smart microwave sensors GmbH and shall not
be disclosed by the recipient to third parties without prior consent of s.m.s, smart microwave sensors GmbH in writing.
UMRR-12 Type 48 User Manual USA CAN.docx Version 1 I Page 12 of 14 I June 27, 2019
Figure 8: CAN bit timing as defined by the CAN protocol
6.4 RS485 data interface
The RS485 interface from the UMRR sensor has a predefined speed of 115200 baud/s.
Typical other data rates are between 921.6kBit/s and 56.7kBit/s.
The RS485 message payload is identical to the CAN format.