App
- 1
Appendix 1 Comparison of Q4ARCPU and QnPRHCPU
APPENDICES
APPENDICES
Appendix 1 Comparison of Q4ARCPU and QnPRHCPU
A comparison of Q4ARCPU and QnPRHCPU redundant systems is shown in Table App.1.
* 1: Q4ARCPU repeat mode results in program priority mode on QnPRHCPU.
Table App.1 Comparison of Q4ARCPU and QnPRHCPU Redundant Systems
Item
QnPRHCPU Redundant System
Q4ARCPU Redundant System
Performance
Tracking Time
Internal device 48k Word Setting Time
Internal device 48k Word Setting Time
Synchronized Tracking Mode: 41 ms
*1
-
-
• Batch Transfer Mode: 68.4 ms
Program Priority Mode: 21 ms
*1
• Repeat Mode: 34.2 ms
*1
System Switching Time
Tsw=21 + T + Trc (Refer to Section 9.2)
300ms
System
Configuration
A Series Modules
N/A
Applicable
QnA Series Modules
N/A
Applicable
CC-Link Auto Refresh
Setting
Applicable (Maximum 4 Modules)
N/A (Performed using FROM/TO
instruction)
Maximum Number of
Modules Mounted on Main/
Extension Base Unit
<<First 5 digits of serial No. is "09011" or earlier>>
11 modules (Main base unit only)
Modules which are not duplicated are mounted
to MELECNET/H remote I/O station (Number of
mountable modules on remote I/O station: 64
modules per station)
<<First 5 digits of serial No. is "09012" or later>>
Up to 63 modules
(Main base unit + extension base unit: 7 stages)
58 Modules (main base unit + extension
base unit : 7 stages)
