Appendix 2 How To Use The Qj71Dn91 In System Of Melsec Iq-R Series - Mitsubishi Electric QJ71DN91 User Manual

APPENDIXES

Appendix 2 How to Use the QJ71DN91 in System of MELSEC iQ-R Series

A
RQ extension base unit
Refresh read time
265.14μs
App - 2
By using RQ extension base unit, the QJ71DN91 can be used in the system of
MELSEC iQ-R series.
For details, refer to the MELSEC iQ-R Module Configuration Manual.
(1) Precautions
(a) The mode switch can be set in range of 0 to 8.
(b) If the mode switch is set to the range other than 0 to 8 or the node number
switch is set to the range other than 0 to 63, an error (2241H: Parameter
error (module)) occurs in the CPU module of MELSEC iQ-R series.
(c) Set parameters in a sequence program because the following cannot be
set in GX Works3.
 Master function parameters (Refer to Section 7.3.2 (1) (2).)
 Slave function parameters (Refer to Section 8.2.2 (1).)
 Save Parameters to Flash ROM (Refer to Section 7.3.2 (3), 8.2.2 (2).)
(2) Refresh processing time
When the QJ71DN91 is used for MELSEC iQ-R series, the refresh processing
time for when "Target" is a refresh data register (RD) is as follows.
Refresh write time
155.06μs
For the refresh processing time for when "Target" is a specified device, refer to the
MELSEC iQ-R CPU Module User's Manual (Application).
Q extension base unit
Refresh read time
599.57μs
MELSEC-Q
Refresh write time
327.80μs
App - 2