User manual

HARDWARE DESCRIPTION
Switches at the upper side of connector:
BAUD rate
BAUD rate Switch
Interface 5 Interface M Interface L 1 2 3
19200 4800 300
OFF OFF OFF
38400 9600 600
OFF OFF ON
57600 19200 1200
OFF ON OFF
115200 38400 2400
ON OFF OFF
BAUD rate setting 19k2 (bps) is valid for all standard communication protocols, that do not
request special timings. If special protocols (small request-respond time required) are used
please note it in order.
NOTE! If there are problems with communication, try using higher speed setting. Some
manufacturer have different markings for B and A line. Try to switch A and B wires. See
http://en.wikipedia.org/wiki/RS-485 for detailed information.
Connector pin table
MSTB 1 2 3
Description
GND - (A) + (B)
Company: Device: Document: Code: Version: Date: Page:
Ediseja 21 CMU 100 / 1.5.6 - 0 User manual CMUMU156 V4 05.11.2014 11
Picture 5: RS485 interface board appearance with switch settings