Johnson Controls CK721-A User Manual

24-10349-8 Rev. B A-1
Appendix
A
This document contains confidential and proprietary information of Johnson Controls, Inc.
© 2012 Johnson Controls, Inc.
EXPANDED ADDRESS S300 BUS A
The CK721-A version 3.0 firmware release introduces an Expanded Address S300 Bus
feature. This feature increases the number of logical terminals allowed on the S300 bus from
16 to 64. The terminals are addressed Logical Terminal 1 to
Logical Terminal 64.
The CK721-A version 3.0 firmware is backward compatible with Le
gacy Address S300
Bus method, which uses Logical Terminal 1 to Logical Terminal 16.
The following table compares the tw
o addressing modes, including the required module and
firmware version:
Legacy Address S300 Bus Expanded Address S300 Bus
Max. number of
logical terminals
16 64
Terminal
add
ress
Logical Terminal 1 to Logical
Terminal 16
Logical Terminal 1 to Logical
Terminal 64
Module/firmware
ve
rsion
 RDR2S, v. PS-215R or later
 RDR2S-A, v. PS-217C3 or
earlier
 RDR2, v. PS-201E or later
 SIO8/SI8, v. PS-184B or later
 IO8/I16, v. PS-183D or later
 RDR2S-A, v. PS-217E or later
 I8O4, v. PS-217E or later
 RDR8S, v. PS-218A or later
 I32O16, v. PS-218A or later
NOTE
The following elevator access interfaces support P2000 terminal range
1 through 16:

- Standard Low Level Interface 
- D620-ECG Low Level Interface 
- KONE HLI/KONE ELINK High Level Interface 
- KONE IP High Level Interface 
- OTIS E.M.S. - Security / B.M.S. Protocol High Level Interface 
- OTIS Compass High Level Interface
The Expanded Address S300 Bus allows a CK721-A version 3.0 controller to communicate
with up to 32 modules on the RS485 bus.

Johnson Controls CK721-A Specifications

General

Brand	Johnson Controls
Model	CK721-A
Category	Controller
Language	English