Johnson Controls CK721-A User Manual

24-10349-8 Rev. B B-1
Appendix
B
This document contains confidential and proprietary information of Johnson Controls, Inc.
© 2012 Johnson Controls, Inc.
PERFORMANCE ANALYSIS A
The data presented in this section was derived by connecting a number of modules on the
RS-485 bus. The test measured the response time between reading two badges by two
readers on the same module and unlocking two doors.
Table B-1: CK721-A Using Legacy Addressing Mode
Number of modules with I/O enabled Average response time in ms
2 695
8 1258
16 1744
Table B-2: CK721-A Using Physical Addressing Mode
Number of modules with I/O enabled Average response time in ms
8 344
9 367
16 541
24 755
32 976

Johnson Controls CK721-A Specifications

General

Brand	Johnson Controls
Model	CK721-A
Category	Controller
Language	English