Baud Rates - Johnson Controls S300 Series Hardware Installation Manual

S300-DIN-RDR2S Module
S300-DIN-RDR2S modules follow the same rules as other terminated devices. See
the following figure to determine the appropriate EOL switch setting for all
S300-DIN-RDR2S modules in your network and set the EOL switch to the
appropriate position for each S300-DIN-RDR2S.
EOL switch
on (up)
CK721/CK722
EOL
always on
CK720/CK705

Baud Rates

The RDR2S module supports autobaud operation between 9600 and 19200 bps and
does not require any switch settings.
Address Switches (SW3)
The RDR2S module has an 8-position SW3 switch (see "Terminal Addressing" on
page 26).
Controller
CK722
CK721-A
CK721
CK720/CK705
24-10239-413 Rev. A
This document contains confidential and proprietary information of Johnson Controls, Inc.
© 2010 Johnson Controls, Inc.
EOL switch
off (down)
RDR2S
Reader Address
Switch positions 1 to 5, switch position 8 ON
Switch positions 1 to 3, switch position 8 OFF
Switch positions 1 to 3, switch position 8 OFF
Switch positions 1 to 3, switch position 8 OFF
Hardware Installation
EOL switch
on (up)
last module
EOL switch
on (up)
RDR2S
25