RDR2S-A and I8O4 Hardware Installation Setup and Adjustments
24-10239-596 Rev. D
29
Address Switches (SW2)
The RDR2S-A and I8O4 modules have 5 address switches (see page 31).
Ensure that the address of the RDR2S-A or I8O4 module does not
conflict with the address of any other device on the RS485 bus.
NOTE: Before changing the position of the address switches, remove the 12/
24 VDC supply power to the RDR2S-A or I8O4 module and wait for the Power
LED to go off. Changes will not take effect until after the power is restored.
Controller Module Address
CK722 Switch positions 4 to 8
CK721-A version 3.0 (physical address mode) Switch positions 4 to 8
CK721-A version 3.0 (legacy address mode) Switch positions 4 to 6
CK721-A version prior to 3.0 Switch positions 4 to 6
CK721 Switch positions 4 to 6
CK720/CK705 Switch positions 4 to 6
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